Th400 Highway Rpm

Simply by shifting from 5th into 6th, your engine RPM will drop by 14%, and while that may not seem like a lot, at a speed of 80mph it will bring the engine speed down from 2,260 to 1,941 RPM, and the faster you go, the greater the RPM drop will be. so 4mpg so say with the TH400 you would normally get 20mpg on a steady cruise, on the highway, so with the 4L80E you will now get 24mpg (don't really see it. 42 gears in the rear-end you have a car that is peppy enough to jump off that red light yet can cruise down the highway without straining the engine with the high RPMs. Although, both transmissions have the final gear of 1:1 so whatever transmission you pick, you will run the same RPM on the highway. Sometimes it bucks, usually just the RPMs go way up, then it decides to drop into gear. On the other hand, I wouldn't consider anything steeper than a 3. Automatic. Between the transmission and the engine. 7 effective low-rpm ratio), and you get serious stump-pulling power! Milemarker makes a part-time conversion kit for this transfer case, which replaces the differential carrier with a spool. and back with only stops for gas and food. The Maximizer Towing Torque Converter has stall ranges from 1000 to 1200 rpm, and is an excellent choice for all heavy load applications, including motor. Stock crossmember, made a plate to adapt it as the crossmemember was a few inches in front of the trans mount. My 73 with 3. Backed by a twist it or break it replacement warranty. Hydraflo Pty Ltd. 6L Turbo-Diesel V8. Engine RPM, or the speed at which the engine turns, can be calculated at any speed given the vehicle's tire size, axle ratio, and final transmission gear ratio. One common trigger for major auto repairs is transmission problems. @ 80 - 1900 RPM @ 100 - 2100 RPM @ 110 - 2300 RPM @ 120 - 2500 RPM VW Vento 1. The stock TH400 torque converter, for example, multiples torque 2:1 at low RPM so that a moderateratio first gear can be used. The only problem, at highway speed the RPM was not desirable. Wep TH400Plus comes with features of High printing speed of 250 mm/sec, High Quality printing of 203 DPI ,Print head life of 150 km. I own a '01 SD CC 4x4 V10 4:30 Auto, it sure has been a good truck. 1969 Chevy RCLB C10 350/TH400 SOLD 2007 Chevy RCSB 4. (DO NOT confuse this transmission with the much less robust 4L60E!!!). 3 to 1 for straight methanol racing fuel; size of turbochargers @ 98 mm; engine size @ 620 ci; cylinder head flow @ 535 CFM @ 0. Turbo 400 transmission new 850hp rated Full manual billet clutch hub Extra clutches 34 element drum new sprag All new bearings bushes clutch plates steel plates All lube mods bearing output shaft new dipstick mount and -6 cooler fittings comes with brand new tce convertor. It rides rough before 40 and after 50 but. All going into a 92’ Caprice wagon (I’m into the B-Body scene). Shifting at high rpm (around 4 or 5 grand)takes even longer and downshifting to a lower gear at high rpm is met with even more resistance from the normal. This is the RPM drop I will experience. Now available with the award winning ATI T400 SFI Certified SuperCase. I was just curious to see if there was a major difference, I wouldn't call 100 rpm enough to notice. At 65 on the interstate in between 3k and 3500. 50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear. so 4mpg so say with the TH400 you would normally get 20mpg on a steady cruise, on the highway, so with the 4L80E you will now get 24mpg (don't really see it. 5 seconds @ 104 mph. Scroll through the list of popular transmissions to find yours. MPH to determine where the ratio's differ between eachother. Open the door and the interior is something that is a very custom piece. Well my modification may not exactly fit in with the stock crowd but gotta change or I will not be driving the car much more. Most notably, the VVT-i system brought the peak torque down 400 rpm, making the car much more fun to drive around the street. 00 diff and 30" tall tires. Getting 17 mpg driving 70-75mpg. Plus, the manual Fit tachs 3k+ rpms at highway speed and is in no way quiet about it. While the factory rear end still sports the granny-highway gears, the tachometer was loving the low cruising RPM. Im looking into replacing my getrag 6 speed for a sp400 kit. On a Jaguar with 3. 08 gear when in OD but without the OD the engine will just RPM higher , my 78 has a TH-350 and 3. Living life in the fast lane will not be limited to the freeway. 10 2260 Keeping 3. I am going to install a 4L85E, basically a TH400 w/an OD, electronically controlled trans. The Si is a Lexus or Buick in comparison. It provides approximately 2400 to 2600 RPM flash stall, without negatively affecting part throttle driving. Transmission: 1st: 2nd: 3rd: 4th: 5th: 6th: GM TH200-4R: 2. The 1971 Monte SS (stock 454) currently has a TH400 trans and 3. Electric motors are most efficient at high rpm and low torque, the complete opposite of an ICE. Vehicle Speed Sensor (VSS) OPERATION. 470hp/483ft-lbs. 2 diesel, almost new 19. After having a couple 4:11 cars, I started using 3:50 rear ends. rating of 25,000 lbs. This crossmember will allow you to install an overdrive transmission in your classic Chevelle or. A lot of highway I would go 3. Compression ratio: 9. The GM Turbo 400 has become the automatic transmission of choice for enthusiasts everywhere due to its durability and simplicity. I have a 2000 I30t (90,000 miles) with the transmission flaring between 1st and 2nd at low throttle. Even though this TH400/700R4 swap is costing me a LOT more than I was originally anticipating, it'll be well worth the expense and work. I finally stopped playing in traffic and got on the highway. anyway, an old high school buddy of mine challenged me to a 1/4 mile race this coming summer on a deserted county road. for Indian Motorcycles Chief, Scout, Chieftain, Roadmaster and FtR. Yep, Honda 4 cyls usually have small gas tanks and Honda lets their m/t cars rev on the highway. If you do go this way please keep us posted on how it came out. Add to Cart. At 70, 2251. 5 in comp, brodix race rites, edelbrock RPM air gap, pro system 1000hp, 242,[email protected]. With manual trans (either HD 3 spd or 4 spd) it was 350 HP. EPA-estimated 15 city/20 highway for 4x4 with 4. transmissions: Powerglide, TH350, TH400, 700R4, 2004R, 4L60-4L75 automatics and T56 (4th-gen F-body)/ T56 Magnum manual transmissions. I would like advice on the following: 1. The engine is the number matching unit with the correct 3955272 casting number. This calculator will provide the speed of the vehicle based on the transmission gear ratio, the engine RPM, the tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing. If you do go this way please keep us posted on how it came out. The V10 has awsome torque. The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. The standard 4BT will produce 265 lb-ft of torque at 1,600 rpm however common upgrades can increase the torque ratio to well over 750 lb-ft of torque. 56 and the best thing I can say about it is that it makes a good low rpm cruiser, even with 245/60s. Compression ratio: 9. If I had the choice to order my car with a powerglide or TH350, I'd pick the TH350 because, I'd have a lot better acceleration. While the factory rear end still sports the granny-highway gears, the tachometer was loving the low cruising RPM. You want to use a torque converter that is designed to keep your engine in its powerband, and not fall below the engine's peak torque RPM. But as a general guide, 3:08 rear end ratio with 27" tall tires, probably about 2200 to 2500 stall. Ensure that the engine is at low idle RPM (500-800 RPM). 1800 rpm is about right for that engine. This crossmember will allow you to install an overdrive transmission in your classic Chevelle or. - Rear diff has highway gearing and is a 10 bolt with upgraded beefy four link control arms with adjustable upper arms. If we plug in 3. Chevy GM Turbo Th350 Th400 10" 3250-3750 RPM Stall Torque Converter. I have 373s in the rear of my s10 with a th350. Th 400 with 9. Experience in a Book Drivetrain Maintenance. As for the highway - well, you'd have lots of power at high speeds. Dave followed that with, “For example, if you had 4. 48 First gear by the 4. Final Crawl Ratio: 50:1 100:1 150:1 200:1 35" tires at 1,500 rpm 3. I have a 2000 I30t (90,000 miles) with the transmission flaring between 1st and 2nd at low throttle. Scroll through the list of popular transmissions to find yours. Transmission: 1st: 2nd: 3rd: 4th: 5th: 6th: GM TH200-4R: 2. The Turbo 700-R4 is the best choice for pre-1981 XJ vehicles-- due to the higher rear-end gear ratios on older cars. Its not like you are driving it to work 15 miles each way on the highway at an 80mph cruising speed everyday. Looks like that's a pretty darn good GM transmission. Jump to Latest Follow 41 - 55 of 55 Posts. Turbo 400 Transmission - Classifieds in Kalispell, MT: Chevy 454, 2015 RAM RAM Pickup 3500. Now switch to the 700r4 and your closer to 3000 rpms. Living in AZ I have had the opportunity to pull plenty of Mtn passes this last year. As for its real output, Chevrolet rated it at 200 gross horsepower at 4,600 rpm and 300 lb-ft of torque at 2,400 rpm. 48 First gear, while the TH350 has a slightly better 2. I read that there is a service bulletin that says it's the transmission selenoids. The 4L80E keeps doesn’t drop the engine rpm as much between shifts because it is a heavy duty transmission and assumes that you could very well be pulling a load. At 70, 2251. 91 final drive. It tells you how many revolutions the crankshaft turns to move your car one foot. I have a 3 speed auto 1973 w/454c. 440 horsepower @ 6,000 rpm 406 lb-ft of torque @ 1,350-4,500 rpm EPA city/highway fuel economy: N/A. 4 Manual Kits range from $825 to $1400, and the camshafts are custom spec per order for your needs. The gears are helical cut and the shifting mechanism is a short throw manual shift. 10 would be good. 1969 Chevy RCLB C10 350/TH400 SOLD 2007 Chevy RCSB 4. While the TH400 is far stouter, it is longer and heavier than a TH350 and has a 2. Our '72 Trans Am is equipped with its numbers-matching 455 H. With the service brakes applied, put the transmission in the P, PARK, position. The engine won’t win any races as the maximum horsepower is only 105 hp at 2,300 rpm however the engine is extremely popular when it comes to the torque ratio. Also as mentioned the engine has a large thermostatically controlled engine fan. It works awesome. 0 The GearCalc program will help to to work out what rpm/speed you will be doing for a given tyre, diff and gearbox. Engine could barely muster 800 RPM while in Drive but 2000 if in Neutral?. Jump to page: Results 1 to 15 of 17 When i floor it my revs got to about 4200 rpm and then it changes. At 60, 1930. My use might look like the follow: 65% Performance 35% Highway Cruiser Current Set-up: Motor: 396/325 Trans: Turbo 400 Gears: 3. Designed for efficiency at highway cruising speeds and to launch hard at wide open throttle, the Breakaway ® is a fantastic all-around torque converter. It pulls good off a stop, and can run 80mph or so without the guts flying out of the engine (I'm thinking @ 3,500 rpm). I had a lower stall TC in it, and you had to stand on the brake or it would idle at 20 mph! So around town it was no fun. 73s by a local TA guy who's car runs like stink. One common trigger for major auto repairs is transmission problems. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry!. A reduction of over 750 rpm. It pulls good off a stop, and can run 80mph or so without the guts flying out of the engine (I'm thinking @ 3,500 rpm). It doesn’t have the power to pull much more than 110 in high though. 18 final drive. The stock M1028 had 31" tires so running 37's drops the rpm quite a bit. Thank you for all the replies; this is the input I was looking for. Prior to the swap my '71/454" was spinning 2400 rpm at 60 mph and after the swap it only spins 1680 rpm. 0L V-10 gasoline, 5 speed NV4500, NP241HD and 4:10 Dana 80. 73 gears now the OD would make the ratio more like a 3. View as Grid List. - gooood michael But now seriously it depends on the "place" where you reach that speed a. Reproduction Of Original Secures Shift Cable P/N 607632 At Transmission For Use With TH400 Only This stock replacement transmission shift cable bracket for TH400 is manufactured by GM or by one of its authorized suppliers for use as a factory replacement part. I have sought out many options. Road Speed(mph) at 3000 RPM, 4th gear 4L60E - 3. Find TCI High Torque Towing Torque Converters 243410 and get Free Shipping on Orders Over $99 at Summit Racing! These TCI High Torque Towing converters are efficient units that put more of your engine's torque to the ground. 31 rear end gears, the overdrive T700-R4 will drop engine speed from 2500 RPM to 1750 RPM at 60 MPH. This shifter is truly a work of art! M&M Transmission is well known in the drag racing community to provide some of the best transmission components, and we are proud to carry their products!. Cargo and load capacity limited by weight and distribution. The one nice thing is at the track I will shift 1-2 like normal and click in the GV unit in 2nd so I don't lose as many rpms going to 3rd and just cross the traps in 2nd overdrive. 455 (SD) V8 310 bhp @ 4000 rpm, 390 lb-ft @ 3600 rpm. 42 and Th400 has been from NJ to colo. 75mph was a tick under 3000 RPMs. You can also ground down or remove the fuel plate which is what controls the maximum fueling. 48 First gear, while the TH350 has a slightly better 2. The TH700R4 give you the option to setup the car with a 3. With manual trans (either HD 3 spd or 4 spd) it was 350 HP. They are, for the most part, interchangeable on the same vehicles; however, you would normally find the TH400 in larger engine applications because they are able to function more reliably at higher engine rpms. 2019 Drag Week: Congratulations Tom Bailey: Unlimited WINNER - '69 Chevy Camaro, 6. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. When a torque converter goes bad, there are a number of things that happen. While the TH400 is far stouter, it is longer and heavier than a TH350 and has a 2. Engage the park pawl by slowly releasing the service brakes. Rpm Automotive-Philips Highway 9148 Philips Hwy in Jacksonville, FL, ☎ Phone (904) 260-9600 with ⌚ Opening Hours, Driving directions and Facilities. I flushed the transmission and did tune up bout 5-6 months ago, been checking the fluid periodically not until recently did it seem foamy cuz it has bubbles in it and showing way past the hatchmarks. 5” 3000 stall converter. 4L80E vs TH400 Gearing. Rated at 425 horsepower at 5600 RPM and 450 pound-feet of torque at 4100 RPM, it’s mated to the new GM 10-speed automatic transmission (RPO code MQB). Its planetary gearset offered 2. The Ferrari 400 really dosen't need to lower its highway rpm but needs to improve the off the line acceleration. @ 1600 rpm with available Duramax 6. 56's the truck has a max speed of @50-55 mph at roughly 2450-2750 rpm. RPM at highway speed. The Vehicle Speed (VSS) Sensor input is used by the PCM to determine vehicle speed. An alternative would be the 4L80E transmission which is a modernized version of the TH-400. The rear end is a CI code 3. A typical automatic transmission uses a number of different solenoids for different purposes. THE PROBLEM: 70 MPH highway speed equals 2300+ RPM. Reasons for overheating include low fluid levels, leaks, burned, old or dirty fluid, or problems with the solenoid. The engine really starts getting into the torque curve above 2000, so it sounds like a 2500 stall should be the best compromise since it will let me launch on the torque curve and still hit the highway with the converter fully engaged, right?. I have 373s in the rear of my s10 with a th350. Fit a modern cost effective and high performance-ratio 6 speed automatic transmission system (transmission & controller) in the space where one has or could reasonably fit a GM TH-400/4L80-E transmission. Final Crawl Ratio: 50:1 100:1 150:1 200:1 35" tires at 1,500 rpm 3. 0L V12 48-Valve DOHC Output: 565 hp @ 6750 rpm, 457 lb-ft @ 5750 rpm Transmission: 7-Speed Sportshift lll; Paddle Shifts Wheels: 19" 10-Spoke Lightweight Satin Black Forged Alloy Tires: P255/35 ZR19 Fr & P295/30 ZR19 Rr Driveline: RWD Zero to 60 Mph: 3. Not to be used in place of real testing. The B&M 2,000-rpm stall for a 4L80E (left) looks similar to their 3,000 rpm Holeshot for a 700R4 (right), but there's a lot more than just the number of bolts connecting them to the flywheel that differ. The 700R4 is about the same length as the TH400 and it has an overdrive. Have a fairly simple 454 over. 1969 Chevy RCLB C10 350/TH400 SOLD 2007 Chevy RCSB 4. If it's low, one should refill it. 6 Duramax 4x4 191,000 and counting 2013 FORD CCSB F350 6. Video of me comparing what you would see for RPM and MPH with OD vs non Od automatic transmissions , car has 3:73 gears and 28" tall tires also has a. The motor is properly detailed and an immaculate centerpiece for the pristine engine compartment. Listing of available engines is incorrect. Im looking into replacing my getrag 6 speed for a sp400 kit. I wrote this calculator in the early 2000s to help me figure out the ratio on my '77 K10 Silverado (35" tires and 8" lift, auto trans and NP205 transfer case). In high-rpm applications, the TH350's sun gear shell (constructed of non-heat-treated stamped steel) is a weak link, as is the intermediate roller clutch (sometimes referred to as the in- termediate sprag). Living life in the fast lane will not be limited to the freeway. It pulls good off a stop, and can run 80mph or so without the guts flying out of the engine (I'm thinking @ 3,500 rpm). 06:1 first gear and an 0. 0L V-10 gasoline, 5 speed NV4500, NP241HD and 4:10 Dana 80. tuning on 18psi highway third gear pull stock 99 4. 440 horsepower @ 6,000 rpm 406 lb-ft of torque @ 1,350-4,500 rpm EPA city/highway fuel economy: N/A. Shop for more Forced Induction available online at Walmart. The VSS generates a signal that increases in frequency proportionate to vehicle speed. Its planetary gearset offered 2. Also consider the resistance you will have against the engine. The torque-converter multiplication and the 2. With the 3. The car had 3. The mission was simple. i'm just looking for gear that will run me. 7 gets about 16. Set Descending Direction. 1775 Website provided and owned by Coldwell Banker RPM Group. the car will be driven in town 90% and raced at track 10%, fuel economy is not a concern. transmissions: Powerglide, TH350, TH400, 700R4, 2004R, 4L60-4L75 automatics and T56 (4th-gen F-body)/ T56 Magnum manual transmissions. Horsepower is important because it allows a car to move faster on the highway and at high rpm. ABN 69 611 428 570. the running gear. Yep, Honda 4 cyls usually have small gas tanks and Honda lets their m/t cars rev on the highway. Running a 8. Keep in mind that the highway cruise rpm needs to remain at or above the converter stall speed to prevent building excessive heat in the fluid. Also as mentioned the engine has a large thermostatically controlled engine fan. 3L V6 engines. These calculators are designed to give the approximate engine RPM (revolutions per minute) based on the ring gear and pinion gear ratio, the height of the tires (diameter from ground to top of the tire while mounted on the vehicle) and the transmission final gear ratio. RPF takes everything into account, from the crankshaft to the tires on the road. Ensure that the engine is at low idle RPM (500-800 RPM). @ 3600 rpm: Redline (RPM) 5300: 6000: Induction System: 1 x 4 bbl Rochester: 1 x 4 bbl Rochester: Valvetrain: Hydraulic Lifters: Hydraulic Lifters. 54 and first gear on the T56 is gone before you can blink with the limited RPM my motor currently has, then again the T56 6sp was made to slep that big F-car. I looked at going to a 342. 42 and Th400 has been from NJ to colo. - Rear diff has highway gearing and is a 10 bolt with upgraded beefy four link control arms with adjustable upper arms. With the 3. But as a general guide, 3:08 rear end ratio with 27" tall tires, probably about 2200 to 2500 stall. My '70 has the 2. (DO NOT confuse this transmission with the much less robust 4L60E!!!). Reasons for overheating include low fluid levels, leaks, burned, old or dirty fluid, or problems with the solenoid. Is anyone running a 700r4 with 3. Determine your engine’s RPM based on the transmission gear ratio, tire height, MPH and the ratio of your ring gear and pinion gear. With available Duramax 6. Tag: TH-400 Automatic If You Can’t Beat Him Buy Him – Chris Price Chris Price’s 1967 Oldsmobile Cutlass Supreme 442 W-30 Sports Coupe is an actual 31,952-mile car that was originally built for NHRA’s C/SA class back in late 1966. The stock TH400 torque converter, for example, multiples torque 2:1 at low RPM so that a moderateratio first gear can be used. ATI's Turbo 400 Drag Racing Transmission. Alright heres my situation. Indian Motorcycle Custom Accessories Parts Aftermarket and performance mods. I'm getting about 15 MPG for average driving. For highway cruising and best fuel economy stay towards the yellow (2600 rpm), around town daily driving is color coded green (2800 rpm), and for better towing power or just more 4-low power use the ratios near the red (3100 rpm). If your transmission is running hot, be aware of possible causes. 67 TH 700R4 3. Getting 17 mpg driving 70-75mpg. 54 will have you rowing the shifter alot. 91 final drive. Discussion Starter • #1 • Mar. @ 3,000 rpm: Front hiproom: 55. View as Grid List. Installation with a 4L80/4L85 automatic transmission will require slight grinding/clearancing of the transmission bellhousing. 42 and Th400 has been from NJ to colo. Tag: TH-400 Automatic If You Can’t Beat Him Buy Him – Chris Price Chris Price’s 1967 Oldsmobile Cutlass Supreme 442 W-30 Sports Coupe is an actual 31,952-mile car that was originally built for NHRA’s C/SA class back in late 1966. With the TH400 automatic, it was 325 HP. Now available with the award winning ATI T400 SFI Certified SuperCase. B-Series | Gear Ratios - RPM to MPH/KM Ratio Tests: I had the chance to perform gear ratio testing on some of the B-series transmissions listed below. Road Speed(mph) at 3000 RPM, 4th gear 4L60E - 3. It is manufactured to B&M's exacting tolerances for long life. So are looking into our next project: the non-SBC engine in the traditional small capacity transmission tunnel vehicle. The 700R4 has an overdrive which the TH400 does not have and an overdrive can make highway driving more pleasant for low geared Jeeps. How to use with Offroad Design 203/205 doubler: Use new TH400/Ford NP205 adapter HERE from ORD or rare TH400/round pattern NP205 adapter , Drill/tap six bolt transfer case pattern into face of NP203, plug up stock holes and. 73 2056 4L80E - 4. Jump to Latest Follow 41 - 55 of 55 Posts. on the highway - speed is ok - my buddy (´01, turbo, ~ 400 hp) reached 346 kph (measured with gps) on the official highway till he had to brake caused by a car changing to his line. OEM overdrive transmissions typically slow engine rpms by 30 percent. Use the RPM calculator to determine what RPM your engine will run based on gear ratio, tire diameter, transmission and MPH. Performing an automatic transmission pressure test is one of the best ways to diagnose hard shifting. I read that there is a service bulletin that says it's the transmission selenoids. The 1971 Monte SS (stock 454) currently has a TH400 trans and 3. 400 V8 225 bhp @ 4000 rpm, 330 lb-ft @ 2800 rpm. firm or soft the shifts are and at specific rpm levels. Highway 16-17 mpg after change to 3. But what is the maximum safe rpm to be used for an extended period of time, like highway driving. 50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear. I was so stunned to discover my slippage wasn't 200 RPM. with the 3. Which is the better trans, the th350 or the th400? Rig will see a bit of long distance freeway runs followed by a day or two tracking down the back country. The motor is properly detailed and an immaculate centerpiece for the pristine engine compartment. 0 or better. tuning on 18psi highway third gear pull stock 99 4. 0 rear, it only makes 2000 rpm at 50 mph, so it must be slipping. While the factory rear end still sports the granny-highway gears, the tachometer was loving the low cruising RPM. My quest is similar to that of many others on your forum – highway speed. My use might look like the follow: 65% Performance 35% Highway Cruiser Current Set-up: Motor: 396/325 Trans: Turbo 400 Gears: 3. 08, as long as you have the horspower to back it up. The trans that comes with this package is a 4L65E with a 3. "How much rpm drop can I expect, especially on the highway in 4th?" Gear ratios are in the front of the workshop manual. This model has a conservative rate of 450 ft. Traveler Torque Converter 1900-2400 RPM for GMC Turbo 350 Turbo 400 from Walmart Canada. The Si is a Lexus or Buick in comparison. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. Calkins gives ballpark 60-mph rev ranges of 2,400-2,500 rpm for healthy GM small-blocks and 2,200-2,300 for big-blocks. You can try various combinations to come up with an appropriate combination of ring and pinion gear ratio and tire diameter for your vehicle. My motorhome (1982 P30 chassis) had a 4. Rpm Automotive-Philips Highway 9148 Philips Hwy in Jacksonville, FL, ☎ Phone (904) 260-9600 with ⌚ Opening Hours, Driving directions and Facilities. The car had 3. All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". 54 and first gear on the T56 is gone before you can blink with the limited RPM my motor currently has, then again the T56 6sp was made to slep that big F-car. The 700R4 is a 4 speed automatic transmission, with a 30% overdrive in 4th gear. Most notably, the VVT-i system brought the peak torque down 400 rpm, making the car much more fun to drive around the street. The mission was simple. Awesome capacity with adjustable “Classy” shifts. With the 3. Rated at 425 horsepower at 5600 RPM and 450 pound-feet of torque at 4100 RPM, it’s mated to the new GM 10-speed automatic transmission (RPO code MQB). Thanks to all these mods 280 HP at 6,800 RPM is gained, and torque 353 NM at 4,400 RPM. Running 3000 RPM at 60 MPH gets old after a while. I guess the lower RPM in 4th gear plus the fact it's a 2005 with fuel injection means it should get a little better. Come by for all the latest news and automotive tips!. Engine will be a chevy 350. COA-23420 - TH400 FLUID OVERFLOW TANK; COA-23420 - TH400 FLUID OVERFLOW TANK. Reason im asking is i dont want to be going 65 or 70 down the highway and pushing 3000 - 4000 rpm cause the TH400 isnt beffy enough to handle the cummins. I drove on the highway and in town, with a maximum speed of 75 or 80. I believe most people would chose a 700R4 over a 200R4, I just do not like to big RPM drop going into 2nd gear w/those transmissions. My elcy, I am at 3300 Rpm At around 65 mph on the highway with 3. 299 avg and First to the 5's. @ 2400 rpm: 260 lb-ft. Installation with a 4L80/4L85 automatic transmission will require slight grinding/clearancing of the transmission bellhousing. The 1971 Monte SS (stock 454) currently has a TH400 trans and 3. @ 80 - 1900 RPM @ 100 - 2100 RPM @ 110 - 2300 RPM @ 120 - 2500 RPM VW Vento 1. This series of towing torque converters is designed to allow your transmission to run up to 20° F cooler and will lower engine RPM at highway speeds, resulting in fuel mileage increases. It was just 50 RPM! So I stomped the go pedal, the RPM shot up by another 350, for a total of 400. Thats not too Bad, I would drive the car and see where the RPM's are at. transmissions: Powerglide, TH350, TH400, 700R4, 2004R, 4L60-4L75 automatics and T56 (4th-gen F-body)/ T56 Magnum manual transmissions. Getting 17 mpg driving 70-75mpg. TH400 is a 3 speed auto, as you know. 48 gear give a 5:1 stall ratio, and this combination provides excellent acceleration from a stop. Plus, the Gear Vendors unit can be used to split the TH400 gears, which will. GREAT on the highway. I think it makes more sense to start with a better (cheaper, more reliable) 3sp auto trans (th400-c6) and lower the first gear and run a little higher rearend gear then you would with a overdrive trans. This is the RPM drop I will experience. TH400 is a 3 speed auto, as you know. 48:1, and Third gear is 1:1. Video of me comparing what you would see for RPM and MPH with OD vs non Od automatic transmissions , car has 3:73 gears and 28" tall tires also has a. The W-32 option was 350 HP and outside air inducted with the TH400 trans. The adapter kit includes a new output & spud shaft, plastic washer, adapter plate, TH400 gasket, o-ring, metric fastening hardware, and adapter. As mentioned the chassis was designed for 55 MPH speed limits and it probably won't go much over 70 flat out. At 2500 RPM, the vehicle will travel roughly 55 MPH, that little small-block is going to be churning 3500 in order to cruise the highway at 75. While most folks tout the benefits of highway mileage for an O/D trans - the less-often-discussed benefit of an O/D trans is the presence of a deeper 1st gear IN ADDITION to the highway mileage improvements. Advanced Adapters GM 4WD Th350 3 Speed Automatic Transmission to S-Series Truck Transfer Case Adapter Kit. 2011-2019 6. First consideration was to install a 700R4 with overdrive but didn't want to loose the beefy TH400. This RPM range is where you want a street engine to begin applying torque. Knowing this, and where our particular engine likes to run when on the highway, gets us a ballpark axle gear ratio. Shifting at high rpm (around 4 or 5 grand)takes even longer and downshifting to a lower gear at high rpm is met with even more resistance from the normal. 5" tire, its going to put me darn close to the highway rpms I now have with the 2. Determine your engine's RPM based on the transmission gear ratio, tire height, MPH and the ratio of your ring gear and pinion gear. Nissan Skyline GT-R R34 uses ball bearing Garrett M24 turbochargers. 31 or something close. 10 for my 87 suburban 6. When new, the transmission was likely programmed to upshift just past 5,000 rpm at full throttle. 2 diesel, almost new 19. What do you guys think? 3. The former car is very silent and confidence inspiring while cruising at 115 kmph ,while the latter feels so at 105 kmph,after which engine drone seeps in. 31 gears originally. 300/1 Original ratio for the 1600-MK-II cars is 4. 36 rear gears installed. Maybe even use an 8". The truck is located in PA which is about 4 1/2 hours from my house. I have 373s in the rear of my s10 with a th350. Too many RPM's. Has case protecting snap ring and Alum 2-3 Accumulator piston. Do you want the RPM cut right before the lock up? Ordered a new TH400 with a transbrake and a 4000 stall converter. 2011-2019 6. Rear tires are overside for lower RPM on highway cruising. Gear Vendors offers a 22 percent overdrive, turning our 3. The mpg gain is nice, but my main interest was in getting the engine down to reasonable rpms in highway driving. 4 SN Engine Tech. This is a discussion on Too many RPM's within the Drivetrain forums, part of the CJ Forums category; I'm curious. HP Series Billet Stator Torque Converter Converter Diameter - 258mm This is a modified factory converter with billet stator. 10 would be good. It is manufactured to B&M's exacting tolerances for long life. my car is a 65 wildcat convt with a 401 nailhead engine and the th400 tranny. The Traveler is also stronger than a stock converter and has been internally modified to provide about 300 rpm more stall speed for help in initial acceleration without sacrificing normal highway operation. The standard transmission was the TH-400 Turbo Hydra-matic. The built TH400 shifts tight & precise, and pushes you back 'hard' in your seat when you apply your right foot down firmly. Rated at 425 horsepower at 5600 RPM and 450 pound-feet of torque at 4100 RPM, it’s mated to the new GM 10-speed automatic transmission (RPO code MQB). 0L V-10 gasoline, 5 speed NV4500, NP241HD and 4:10 Dana 80. 08 gear when in OD but without the OD the engine will just RPM higher , my 78 has a TH-350 and 3. The rear end is a CI code 3. A lot of guys have suggested I simply go to an overdrive and truth to tell I wouldn't mind one, but the car still has lots of performance (462" & 2400#) with the 3. I will probably only be putting 100 miles a week on. At 1800 RPM the 22RE still has plenty of power on tap, but using it would probably mean that you were severely breaking the speed limit. Sometimes it bucks, usually just the RPMs go way up, then it decides to drop into gear. That was for a bare engine on a test stand, so the real, as-installed output would be less. Now available with the award winning ATI T400 SFI Certified SuperCase. Our '72 Trans Am is equipped with its numbers-matching 455 H. in traffic jam in the morning / evening rush hour - more or less deathyfying b. Its planetary gearset offered 2. - Rear diff has highway gearing and is a 10 bolt with upgraded beefy four link control arms with adjustable upper arms. Using stock replacement parts from Eckler’s Chevelle &. But, when shifting from First to Second, the direct drum goes from spinning 80-percent of the engine RPM in Low gear to completely stopped on the 1-2 gear change, and then from stopped to engine RPM on the 2-3 gear change. It's only a high 12 second car but it's a rocket ship on the highway. TH400 to Ford 205 adapter. As mentioned the chassis was designed for 55 MPH speed limits and it probably won't go much over 70 flat out. I dont want to run that high in the rpms to cruise down the interstate, as I plan on taking the truck on a series of long trips next summer. In high-rpm applications, the TH350's sun gear shell (constructed of non-heat-treated stamped steel) is a weak link, as is the intermediate roller clutch (sometimes referred to as the in- termediate sprag). The B&M 2,000-rpm stall for a 4L80E (left) looks similar to their 3,000 rpm Holeshot for a 700R4 (right), but there's a lot more than just the number of bolts connecting them to the flywheel that differ. 3) At 60MPH - RPM - 2500 PSI -60 - In 3rd gear, At 70MPH - RPM - 3000PSI -60 - In 3rd gear At 80MPH - RPM - 3300PSI -60 - In 3rd gear At 90MPH - RPM - 3700PSI -60 - In 3rd gear - What is the highest RPM I should put this engine and TH400 transmission. You’ll find a built TH400 in almost every big-power desert race truck and many performance rockcrawlers, but one downside of th 400 is the lack of an overdrive gear. Calculate GEAR, RPM, MPH, TIRE DIAMETER. In 70 they introduced the LS-6, and LS-7's, which were aluminum 454's, redlined at 6800. I still haven't found the top end yet. For minimal highway driving it would probably be fine. Making sure you get the right converter is more than if it fits between the engine and transmission. TCI Breakaway Series is a great torque converter for moderately modified street machines and weekend racers also used as daily drivers. june 2019 | RPM Magazine. The rear end is a CI code 3. ATI's Turbo 400 Drag Racing Transmission. 450 HP/TQ capable but proven at much higher HP levels. This is the RPM drop I will experience. The engine is turning about 3000 RPM at 60 MPH. 08 gears and th400 between speeds of 60-70 on the way back from myrtle beach. I used to drive everywhere with a TH400, 2800 stall, and 4. First consideration was to install a 700R4 with overdrive but didn't want to loose the beefy TH400. Introduced for the 1999 model year, the Silverado is the successor to the long-running Chevrolet C/K model line. However, there are folks out there who provide connection kits to utilize the advantages of the 4L80E in an older carburetor (non-computerized) engine. Imagine driving a Chevelle with a 454 big block turning over 4000 rpms at 70 mph. Q: What does kickdown mean in an automatic transmission? A: Kickdown is a downshift in an automatic transmission triggered when the driver pushes the car’s accelerator to the floor. Your transmission is necessary in order for your car to operate correctly, and if you start to hear it make a clunking noise, you have good reason to become concerned. as it makes the rear gear act larger. 400- to 600-rpm-over-stock stall Speed; Converter Diameter and Stall Speed. 10 rear gears and a 28-inch tall tire and drove down the highway at 70 mph, you’d be at about 3,800 rpm with a Turbo 400. Application: 1965-1991 GM TH350, TH400 with daul bolt pattern. Reproduction Of Original Secures Shift Cable P/N 607632 At Transmission For Use With TH400 Only This stock replacement transmission shift cable bracket for TH400 is manufactured by GM or by one of its authorized suppliers for use as a factory replacement part. The B&M 2,000-rpm stall for a 4L80E (left) looks similar to their 3,000 rpm Holeshot for a 700R4 (right), but there's a lot more than just the number of bolts connecting them to the flywheel that differ. The overall First gear ratio with the TH400 and. Rear tires are overside for lower RPM on highway cruising. I have the transmission behind a 632, that makes about 880 hp and it has held up very well. 73s by a local TA guy who's car runs like stink. This classic beat out other GM performers such as the tried-and-true 700R4 that doesn’t take the punishment that it receives from powerful, tire-smoking, wheel standing. In the mid-70's exactly 273 XJ-S's were fitted with 4-speed manual transmissions and the official Jaguar repair manual dedicates an entire section on maintenance, but there is precious little information ava. While most folks tout the benefits of highway mileage for an O/D trans - the less-often-discussed benefit of an O/D trans is the presence of a deeper 1st gear IN ADDITION to the highway mileage improvements. torque debate, please see the links below. Compression ratio: 9. 76 Low feel it even on the highway. I see a lot of people using TH350's on here and I'm just trying to figure out if i should get rid of this trans and go with the TH350. 20:1 to the formula, it works out to 2,688 rpm as our new cruise rpm. 440 horsepower @ 6,000 rpm 406 lb-ft of torque @ 1,350-4,500 rpm EPA city/highway fuel economy: N/A. 0 The GearCalc program will help to to work out what rpm/speed you will be doing for a given tyre, diff and gearbox. 11 diff for the 1/4 mile and still be able to cruise at highway speed. 75mph was a tick under 3000 RPMs. RICHMOND is the leading manufacturer of professional quality, hi-performance ring and pinion sets. I had them changed ($700)but nothing changed. RPM series springs upgrade - $25 Full set of Hellcat lifters vs a MDS delete kit - $125 You will also need head bolts, head gaskets, fluids etc. 42 gears and runs 3000 RPM at 70 mph , perfectly acceptable for my engine. 0L V12 48-Valve DOHC Output: 565 hp @ 6750 rpm, 457 lb-ft @ 5750 rpm Transmission: 7-Speed Sportshift lll; Paddle Shifts Wheels: 19" 10-Spoke Lightweight Satin Black Forged Alloy Tires: P255/35 ZR19 Fr & P295/30 ZR19 Rr Driveline: RWD Zero to 60 Mph: 3. Highway rpm. 10's because he didn't want to hurt his car's "streetability" but he had a 4000 stall. Great choice for SSR’s, Trailblazer SS, GTO’s and F-body owners who need an extra punch but still want excellent street manners. A typical automatic transmission uses a number of different solenoids for different purposes. 1775 Website provided and owned by Coldwell Banker RPM Group. With a 26" tire and 3:73 gear you will turn 3000 rpm at 60 mph. Between the transmission and the engine. Our happy customers include Garment Showrooms,Bookshops,Pizza chains. It would travel along at around 2,800 rpm at that speed and 3,100 at 70. The car will likely be making the trip to the nationals in 10 days, 150 miles and I have no concerns about too much highway driving. Therefore, to launch hard form the line as possible, you would not want to install a 3,000 RPM stall converter into a car with peak torque at 5,000 RPM. Most of the factory spec torque converters are 12-13 inch diameter and have a stall speed around 1600-1800 RPM. 1 certification bellhousing that fits all Chevrolet 90 degree V8's including early and late LS engines and 4. in traffic jam in the morning / evening rush hour - more or less deathyfying b. 6L Turbo-Diesel V8. Monster Transmission’s original MonStar, Curt, shows how to convert from an original factory TH400 transmission to a 700R4 transmission. If you are looking for the ultimate shifter for drag racing, look no further. The 700R4 has an overdrive which the TH400 does not have and an overdrive can make highway driving more pleasant for low geared Jeeps. On my K5 I ran tires that measured to about a 36 with 4. I’m embarrassed to say, I drove 200 miles without realizing I was in 3rd gear instead of drive. Using a TH400 as an example, First gear is 2. 5 inch tire, how many RMP will. I had a lower stall TC in it, and you had to stand on the brake or it would idle at 20 mph! So around town it was no fun. RPM series springs upgrade - $25 Full set of Hellcat lifters vs a MDS delete kit - $125 You will also need head bolts, head gaskets, fluids etc. II IFS, 351W bored & stroked to 395c. Our nitrous powered 4L60E 2010 Camaro. Engine RPM, or the speed at which the engine turns, can be calculated at any speed given the vehicle's tire size, axle ratio, and final transmission gear ratio. On the other hand, I wouldn't consider anything steeper than a 3. The TH400 is well known to be a heavier duty trans. The Maximizer Towing Torque Converter has stall ranges from 1000 to 1200 rpm, and is an excellent choice for all heavy load applications, including motor. The GM Turbo 400 has become the automatic transmission of choice for enthusiasts everywhere due to its durability and simplicity. First consideration was to install a 700R4 with overdrive but didn't want to loose the beefy TH400. And, of course, it did much better on the highway as well. Chevy made many thousands of cars with a similar setup and very few of those blew an engine in normal driving. Making sure you get the right converter is more than if it fits between the engine and transmission. Slippage is minimized, providing better gas mileage and as much as a 20 degree F reduction in transmission temperature. The B&M 2,000-rpm stall for a 4L80E (left) looks similar to their 3,000 rpm Holeshot for a 700R4 (right), but there's a lot more than just the number of bolts connecting them to the flywheel that differ. I have a 350 engine, 350 turbo trans, and the 3:50 rear is a 9" from an early Bronco. Come by for all the latest news and automotive tips!. 31 gears originally. 73’s and swapping the trans nets minimal change in the highway rpm and speed so all is good. 455 (SD) V8 310 bhp @ 4000 rpm, 390 lb-ft @ 3600 rpm. The Ferrari 400 really dosen't need to lower its highway rpm but needs to improve the off the line acceleration. 18 final drive. 7 gets about 16. The engine is the number matching unit with the correct 3955272 casting number. Automatic. Is anyone running a 700r4 with 3. Even down in the lower Powerband you can feel the pulling power, especially 2000 - 3300 rpm. Shifting at high rpm (around 4 or 5 grand)takes even longer and downshifting to a lower gear at high rpm is met with even more resistance from the normal. The 4L80E has an overdrive gear with a ratio of 0. SDPC also has part no. Great choice for SSR’s, Trailblazer SS, GTO’s and F-body owners who need an extra punch but still want excellent street manners. 00 diff and 30" tall tires. Listing of available engines is incorrect. 470hp/483ft-lbs. 50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear. Engine RPM Calculation Basics. Our '72 Trans Am is equipped with its numbers-matching 455 H. The Turbo 400 is filled with BG Universal Synthetic fluid. I use 373's and some times I wish I went with 410's. but ok) so, 4 miles difference, So lets just play with some numbers here. 3300 rpm @ 80 is a little high imo. It provides approximately 2400 to 2600 RPM flash stall, without negatively affecting part throttle driving. Q: What does kickdown mean in an automatic transmission? A: Kickdown is a downshift in an automatic transmission triggered when the driver pushes the car’s accelerator to the floor. 10 gears and never ran OD because it would just hunt between OD and 3rd at the smallest hill or wind, and never seemed to have any problem running 70 mph down the highway. 2" Towing capacity: 1,000 lbs. 41 rear end. 0L V12 48-Valve DOHC Output: 565 hp @ 6750 rpm, 457 lb-ft @ 5750 rpm Transmission: 7-Speed Sportshift lll; Paddle Shifts Wheels: 19" 10-Spoke Lightweight Satin Black Forged Alloy Tires: P255/35 ZR19 Fr & P295/30 ZR19 Rr Driveline: RWD Zero to 60 Mph: 3. 20:1 to the formula, it works out to 2,688 rpm as our new cruise rpm. 3 to 1 for straight methanol racing fuel; size of turbochargers @ 98 mm; engine size @ 620 ci; cylinder head flow @ 535 CFM @ 0. I put the 4L80 in it and put the 4. 8 4x4 LS SOLD 2008 Chevy RCSB 5. Gears and Transmissions 1. Chrysler did eventually add an option to play 45 rpm records on the Highway Hi-Fi, but perhaps that choice came too late. 08 gears and th400 between speeds of 60-70 on the way back from myrtle beach. Its planetary gearset offered 2. Dave followed that with, “For example, if you had 4. Around 4000rpm is where I took note of the RPM's vs. TH700R4 1st - 3. This series of towing torque converters is designed to allow your transmission to run up to 20° F cooler and will lower engine RPM at highway speeds, resulting in fuel mileage increases. 6L Turbo-Diesel V8. 299 avg and First to the 5's. 2011-2019 6. Its a 71’ 454 block, with 396 heads, I have a TH400 for it. They also use about 8 more engine horsepower to power them, a TH350 typically uses about 36hp, as opposed to the TH400 using about 44hp. Upgrades include a. generally for a highway capable car using an ex-forklift motor, 4-5000rpm is best. 42 gears and runs 3000 RPM at 70 mph , perfectly acceptable for my engine. 73's tend to be a bit too buzzy on the highway for my taste (especially with my taste in exhausts), and anything lower will make you a little sluggish off the line. Vehicle Speed Sensor (VSS) OPERATION. i'm just looking for gear that will run me. For much highway use that is a little much. The truck is located in PA which is about 4 1/2 hours from my house. The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. Today’s unit is cast aluminum, measuring 7-1/2″ long. 1800 rpm is about right for that engine. Plus, the Gear Vendors unit can be used to split the TH400 gears, which will. I don't think you have enough gear with the 35's. Although, both transmissions have the final gear of 1:1 so whatever transmission you pick, you will run the same RPM on the highway. with thrilling immediacy while it achieves a surprising 32 highway 4 It transitions from all-electric mode to full-power hybrid mode with an intense and organic response. The same principles apply to gear ratios. Goodbye semi trailer trucks, hello fast lane. 275/60-15 so 28” tall tires. Shop torque converters for GM Powerglide, TH-350, TH-400; Ford C-4, C-6, AOD, and AODE, Chrysler Torqueflite; and other trannys. However, there are folks out there who provide connection kits to utilize the advantages of the 4L80E in an older carburetor (non-computerized) engine. Today’s unit is cast aluminum, measuring 7-1/2″ long. firm or soft the shifts are and at specific rpm levels. Borg-Warner overdrive transmissions were first introduced in 1934, originally designed to reduce engine rpms at highway speeds. The Vehicle Speed (VSS) Sensor input is used by the PCM to determine vehicle speed. Monster Transmission’s original MonStar, Curt, shows how to convert from an original factory TH400 transmission to a 700R4 transmission. I have a 2000 I30t (90,000 miles) with the transmission flaring between 1st and 2nd at low throttle. 2 front and 1 rear, compression type. Start by driving a few miles on the highway, and a few miles around town with the radio off and no one else in the car. The W-32 uses the OG code TH-400 found in the base 442. The GM 700R4 main shaft kit is used when replacing a TH400 in model years 1985-91. engine and code-PQ Turbo 400. 0L V-10 gasoline, 5 speed NV4500, NP241HD and 4:10 Dana 80. I wrote this calculator in the early 2000s to help me figure out the ratio on my '77 K10 Silverado (35" tires and 8" lift, auto trans and NP205 transfer case). Thats not too Bad, I would drive the car and see where the RPM's are at. This will increase the stall speed approximately 1000 rpm over stock, to around 3000-3200 rpm. Application: 1965-1991 GM TH350, TH400 with daul bolt pattern. The V10 has awsome torque. @ 1600 rpm with available Duramax 6. 2" Towing capacity: 1,000 lbs. This will increase the stall speed approximately 1000 rpm over stock, to around 3000-3200 rpm. 41:1, with 205-75R14 tires did 23 MPG with a best of 26 mpg!. The Traveler is also stronger than a stock converter and has been internally modified to provide about 300 rpm more stall speed for help in initial acceleration without sacrificing normal highway operation. 70 Each number represents the final drive ratio of the engine to the driveshaft. I don't think you have enough gear with the 35's. Vehicle Speed Sensor (VSS) OPERATION. A lot of highway I would go 3. 10 2260 Keeping 3. I still haven't found the top end yet. On the freeway, going 60 the tach is at 2,000 rpm and you can feel it pull pretty hard at 70+. I was just curious to see if there was a major difference, I wouldn't call 100 rpm enough to notice. The overall First gear ratio with the TH400 and. OEM overdrive transmissions typically slow engine rpms by 30 percent. This RPM range is where you want a street engine to begin applying torque. Even dropped fuel consumption. (I bet his transmission got a lot hotter too, but it held up. The car will likely be making the trip to the nationals in 10 days, 150 miles and I have no concerns about too much highway driving. The truck is located in PA which is about 4 1/2 hours from my house. He ended up turning the same rpm's at 55 as me.