Th400 straight cut gears. Everything appears correct with no leaks.

Th400 straight cut gears. John Kilgore-who has modified Turbo 400s since 1969 and has probably forgotten more about this transmission than many of the people who Up for SALE is a NEW CHEVY TH400 TRANSMISSION HEAVY DUTY STRAIGHT CUT PLANETARY GEAR SET. Be the first to review this product. 40. Oct 7, 2022 · @ Shiney Yea, we heard alot about M22 straight-cut gears, yet i was fine with the M21 HD, As for TH400 also fine with the helical cut and case loading because the High Density Torrington are slippery under thrust loads. 48 gear set in. The negative to helical-cut teeth, when compared to straight-cut teeth, is that more side loading occurs against the thrust washers. The $1k I mentioned above is for brand new parts they did say you could get a motor home version and swap the gears over. I believe my car has the 3. 80 Straight Cut Chromoly Gearset; Standard Long Length “Quiet” Straight Cut Gears; 4340 Chromoly Output Shaft; USA Made; Serviceable Pins allow for easy Maintenance; No Speedometer or Governor Provision, 27 spline output; Rated to 2000hp in most applications; Includes Sun Gear, Flange, Reaction Gear, Center Bearing and Complete Planetary Feb 28, 2002 · I think they called it a Turbo 475 A standard Turbo 400 used heli-cut planetary gears while the Turbo 475 used straight cut planetary gears. Oct 10, 2000 · The main difference is that the TH475 has straight cut gears in it, and the TH 400 has helically or angle cut gears. The 4l80e rear planetary assembly (#34584se) is easily available and was gonna just use the drum assembly if it would work. Jan 30, 2024 · Can be used on 91-98 4L80E and TH400 all years. Shot peening increases gear resistance to fatigue failure, cracking or galling. 00 Add to Cart All BTE transmission gear sets are cut and assembled in our own manufacturing facility. For more than a decade, BTE has sold thousands of sets across the globe in all manner of racing cars, trucks, and Nov 16, 2018 · Extreme Duty 4L85E 5 pinion planetary geartrain assembly. The helical cuts on the teeth further increase tooth contact surface area when compared to straight-cut teeth. Mar 10, 2003 · Here is my 2 cents worth of knowlage. TH400 1+2 SPEED PRO MOD BTE 1. May 24, 2014 · Luckily, nonstock gear ratios are available for the TH400. One-piece reation shafts, in which the shaft and sun gears are machined as one for strength, is also part of Coan’s product lineup, as are billet reaction carriers with straight-cut gears. The Max Duty Straight Cut Series offer increased strength properties consisting of 6 pinion reaction carriers, 4 or 5 pinion output carriers and a larger diameter heavy duty input ring gear. They had "straight" cut planetary gears which were much stronger and do make some noise. But that cut of the gears does not make it a stronger transmission to have in your RV or car. The strongest 2. 00 th400 straight cut planetary, (choice ratio 2. We installed used helical cut planets with torrington bearings to replace thrust washers in many units. For more than a decade, BTE has sold thou th400 straight cut planetary, 6 pinion reaction carrier, 4 pinion output carrier (1. Gears designed to work with 1. Most units use either 3- or 4-pinion planetary gearsets with helical-cut gear teeth. Hughes offers 4 versions of this kit, one with 1. Part Type: Automatic Transmission Gears. Verify the planet gears for straight cut. 1006 | UPC:840136567325. 4L80E STRAIGHT CUT TYPE front planetary carrier assembly 4 pinion. I machined to add 4 more bearings and with the factory 3, That’s a Total of 9 Rollerbearings. 40 Ratio SKU: PCE550. 75 gear set equals an 11. 76 style carrier. 80 Straight May 30, 2023 · 4L80E REAR PLANET ASSEMBLY STRAIGHT CUT 91-97 TH400 MT1 PLANETARY GEAR TURBO. The straight cut ones are really strong and they are used in motorhomes and like C60 trucks. 80 Straight Cut Gear Set & Ring Gear Increase Quantity of Powerglide 1. Excellent choice for Humvee and high powered street strip vehicles. 10 - 1. 48 x 4. 2-Speed Ratio: 1. 21 - 1. Our gearsets include: 9310 vacumelt steel gears - Made in Mt. 16 starting line ratio or, “SLR” (2. Gear Type: Straight Cut. 31 ratio) 1pc sun gear & billet low roller Related Items TH400 OUTPUT CARRIER SILENCER RING Jun 21, 2017 · straight cut gears TH400 Jump to Latest 7K views 19 replies 9 participants last post by boostedbowtie Jun 23, 2017 Jul 17, 2016 · Here are some vids of my first hit with my 2. Back in the 1980s when a class A motor home T-475 come in the shop with hurt planets from loss of lube oil. Full set of 1. 95 - 1. 3-Speed Ratio: 2. I finally got my money back and gave up on it. 80 ratio powerglide gear set for shorty length transmissions TH400 output . I prefer solid teflon, although it is the most time consuming type. coa-12787b - "maximum duty" straight cut planetary gears only, complete set w/ heat treated ring gear and billet splined reaction flange for 9 clutch su $830. For more than a decade, BTE has sold thou GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2. HD Straight Cut Gears New ATI TH400 SuperCase and ATI Chevy Bellhousing. 00. . 2 and 3 speed versions available with many gear set ratios to choose from. cut sets have gone through the roof though. 1006 The modern aftermarket gear set for powerglide transmissions should feature many of these upgrades as found in our own BTE powerglide planetary gear sets. helical cut gears as the difference between heavy duty and regular planetary gear sets, no mention of gear ratios. 5” or less; Super strong lightweight ring gears in steel or aluminum; Eliminates power loss from friction Oct 21, 2016 · The TH400 and 4L80E have been around for a long time, and these units are generally trouble free. I have it and tried it for fun on the street. All 1st gear leave though. your price: $450. I have thought about switching over to a 5speed manual, but right Mar 20, 2024 · Conclusion of TH400 Gear Ratios. Straight or spur cut gears are stronger and have less thrust loading; USA made 9310 vaccumelt steel gears that have been heat treated and processed for maximum durability This extreme duty transmission is built with straight cut gears as well, making it technically a TH475 transmission. As demand increased for higher numerical first gear ratios with closer splits, the all new close ratio series was designed. however I cant find if tailshaft mounted ebrake came only on th475? Designed with straight cut gears, to eliminate axial load, making it more efficient to handle your high-power demands; Delivers superior torque output for modern big-displacement engines; Fully rollerized gear set; 6 pinion reaction carrier; 5 pinion output carrier Our strongest powerglide gear set for TH400 yoke applications. The TH400 and the 700r4 are the same length yet have diffrent tail housing bolt patterns. 50 gears. A new larger diameter billet steel shell was designed to accept the larger diameter, heavy duty ring gears. 40, 2. I just did an eighth mile hit at low rpm on the wastegate spring, cause the track was hot and slick. 33 - 1. 40 Ratio | MPN:PCE550. BTE's powerglide 1. Dec 22, 2022 · The biggest difference, as we have already said, is the cut of the gears. 40 Ratio | eBay Gear Set Type: Planetary. A completely unique approach was used to design one common carrier (instead of two) and to use pinion gears and idler gears in Jan 13, 2016 · Did GM make a th400 with tailshaft mounted parking brake? I have read the only true way to tell is to tear apart and check for straight cut gears. 48:1 gearset currently available for the 4L80E transmission. The straight cut is the stronger of the two and should last longer under the right conditions. Whether you are interested in acceleration, high top speed, or fuel economy, there is a perfect gear ratio that will help you achieve this. BTE 1. Turbo 350 - 2. The cases are usually beefed up in all the same places that 4x4 cases are. All 8 gears are new - long and short pinions, sun & flange gear; No factory gears are used; Each gear made of high quality Vasco steel; Recommended for engines with a stroke of 3. Now available with the award winning ATI T400 SFI Certified SuperCase. With the gears being very close to the same dimension you can conclude from that. Scarf cut teflon was used on later model Th400's. 80 straight cut gears. Most had 3" deep pan with the standard "Hydra-matic division of GM" stamped on the bottom of pan. The TOW MATRIX Extreme Duty Transmission is for Chevrolet and GMC TH400 and TH475 transmissions engaged in Towing, Engine Braking, Ambulance, Motor Home, Snow Plow and other extreme applications. 48 equals a 10. In this article, we’re going to examine these modifications and discover ways to improve the quality of your rebuilds. But there are a few modifications you can perform to improve their durability. 48) (0) Oct 7, 2011 · I have done some research regarding 1. If I can find a descent used gear set would be great. Also because of the less contact/surface area, it creates less friction compared to the helical design. I am looking "as a cheap and quick alternative" to purchase a 1. Unfortunately, they said there was no physical way to tell a 400 vs a 475 externally Dec 8, 2000 · Solid teflon is on the left, then scarf cut teflon, then cast-iron. These gears are made in the USA by BTE. The ProGlide comes equipped with a 9310 Straight Cut Gear Set (with warranty), Precision Balanced Carrier with Heavy Duty 4340 Output Shaft, 7 Clutch Drum, High Flow front Pump & heat treated pinned stator tube, plus an "Instant-Releasing" External Solenoid Brake that moves the release valve with 1. May 13, 2020 · I broke my rear planetary ring gear in my th400, it’s straight cut gears out of an RV that’s hard to find and a little pricey. Sep 19, 2024 · Part Type: Automatic Transmission Gears. Jun 13, 2024 · Straight cut gears can not handle the same amount of torque as a similar helical gear, as the straight cut gears only have one pair of teeth in mesh at the same time. 1. Utilizing the 2. 34 ratio) th400 stock planetary with straight cut gears (0) your price May 2, 2023 · A Richmond Street Close Ratio 5 speed without overdrive will allow you to accelerate in every gear, driveshaft requires no mod since same length as a Muncie, can use Hurst or Long shifter, the levers are interchangable, uses a TH400 driveshaft input, TH400 crossmember with minor modification, factory speedo cable, factory clutch & pressure Cryogenic tempering for an even denser, more uniform gear with a tough and wear-resistant structure. 10 -1. 40 gear set in my TH400. 80 straight cut gear sets are constructed from the finest aerospace materials to ensure the most reliable backbone for your racing transmission. Jun 30, 2010 · C3 Tech/Performance - TH400 Low Gear Planetary Set - I have a 75 coupe with a 383 bolted up to a TH400 transmission. 80 9310 straight cut gears. Jul 5, 2006 · ===== the primary difference is the planetary units have straight cut gears in the t-475 unit. Helical & Straight Cut Super Vasco Set Gears. (12DP) Kit includes sun gear, sun gear flange, and reverse ring gear. Had new planetary (2. 80 Complete Straight Cut Planetary Set; Includes Sun Gear, Flange and Reverse Ring Gear; 92451-BLEM / Ultra-Bell TH400/TH350 to GM Factory Blemished $ 419. 10 rear gear and a standard low gear of 2. 30 SLR (4. This planetary gear is fully Rollerized! Gear Set Type: Planetary. part# : 131402 Feb 2, 2018 · If you want to reduce rotating weight, a billet steel shell larger in diameter with larger potential tooth counts and wall thicknesses is also an option. I would like a little more low end, but really do not want to increase my cruising rpms. Close 1. Shift Rite Transmissions (16692) 99. To sum up, understanding and optimizing the TH400 Gear Ratios transmission allows it to perform better according to your specifications. Apr 2, 2011 · The straight cut gears have LESS tooth contact area that helicals as the shortest way to the other side of a gear is straight. While all care is taken, any errors or omissions in the item details is unintentional. Jun 4, 2012 Jul 16, 2022 · More importantly they did NOT have TH400 helical cut planetary gears. Solid teflon is used on 4L80's and is interchangeable. 75). 1). 88 Feb 14, 2002 · The griner 1+2 is really only usefull if you change rear gears and run 1/8th mile. Part # 2474s Aug 24, 2024 · Th400 w/ 1+2 that was working perfectly prior. 69 ratio powerglide gear set for standard length transmissions . The TH350 uses the same tail housing bolt pattern as the 700r4 yet are about 3/4 to 1" shorter. Pleasant, MS in our own facility; 4340 steel forged output shaft - TH400 sized - Short Length; All new steel gear carrier, computer balanced; Precision ground steel pins; Billet steel sun gear May 25, 2012 · That's about the only difference, straight cut gears to reduce thrust loading in heavy vehicle applications. 56 straight cut gears (you can hear them) vs the stock 2. in a 4wd housing which is a thicker housing. 80 powerglide gears. 69 straight cut gear sets are constructed from the finest aerospace materials to ensure the most reliable backbone for your racing transmission. Helical gears spread the load th400 straight cut planetary, 6 pinion reaction carrier, 4 pinion output carrier (1. 36 rear gear ratio. 10/1. To understand these modifications, we […] 1. 1% positive; Seller's other items Seller's other items; Mar 4, 2023 · New Coan Billet Aluminum Protree Transbrake VB 1st or 2nd leave. 90K5 Straight Cut ProGlide ® ATI’s most popular Bracket & Super Gas Powerglide racing transmission. 56 straight cut gear set) installed and rebuild yesterday and finished installing trans today, starting car, checking all gears and TB and setting fluid level in my driveway. Front Planet (Straight Cut). 44, 2. Find many great new & used options and get the best deals for 4l80e Rear Planet Assembly Straight Cut 91-98 Th400 Mt1 Planetary Gear Turbo at the best online prices at eBay! Free shipping for many products! Jun 14, 2022 · Looking to replace my 2. Question is- does it matter if I get a helical or straight cut planetary set? I understand that the straight cut planetary pretty much eliminates thrust wearing issues. A car with a 4. 08/1. In my (so far) limited research, all I can find is straight cut vs. 10-1. Sep 21, 2024 · Gear Set Type: Planetary. The cost of these st. Gear Set Material: 4340 Steel. Cut Bell Option! For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. th400 stock planetary with straight cut gears. A very popular trend in drag racing is the bolt-together torque converter, allowing racers to make minor adjustments in stall speed and in effect tune the converter right at the track. Supercases come with a roller case bearing (1) and a large rear bearing (1). The TRANSMISSION EXCHANGE CO. Some had HD cast into the top of the converter housing, some didn't, mine didn't. I’m going to put the stock 2. Coated sun gears for improved scuff resistance. 48 gear set. ATI's Turbo 400 Drag Racing Transmission. WARRANTY WILL ONLY BE HONORED IF THE PRODUCT WAS NOT INSTALLED OR USED IN ANY WAY. 48:1/1. The TH400 has the helical cut which makes it a quieter transmission. 76 low gear, the company’s custom E9310 gearset (part number HP7469L, which includes a forged carrier housing and ring gear, 9310 pins and new washers and needle bearings) and one with 4140 gears (part number HP7479L, which includes an OEM carrier housing built with new washers and needle bearings). Part # 2474s May 1, 2020 · Pull it apart. The straight cut gears have a bit louder whine too Mar 26, 2020 · With straight cut gears, the teeth mesh fully, whereas with helical gears, only the tips of the teeth mesh, creating a weak point. I had a tci 2. 86 - 1. 48/1. 73-1. Tranny case is a bit beefier in the bell area The straight cut gears reduces the side loads generated in the gear train of the tranny under a heavy load like a large motorhome. 75 Low Gear Set Low gear sets increase the starting line ratio when launching. COA-22711 - CLOSE RATIO STRAIGHT CUT PLANETARY SERIES. 10 set that I never used. Buy Direct from Speedmaster™ with Fast Shipping. My set had a runout/binding issue that I could feel, but tci couldn't. They also have trouble oiling by design which is the reason for the tooth notching of the gears as seen in the pics above. Sep 27, 2022 · The straight cut gear sets are not weak, we have several sets in 7 second TH400's ,and one set in a 6000lb LWB truck that has a 1500hp Procharged 632 ,with transbrake. 98 Powerglide straight cut gear set (short) BTE's powerglide 1. Talked to a mechanic friend and he says this gear set was used in big RVs from the factory. these units are avail. Level 3 TH400s - 800HP; Decrease Quantity of Powerglide 1. The angle cut ones are quieter , but they are not as strong because they can pry apart under a heavy load. For more than a decade, BTE has sold thousands of sets across the globe in all manner of racing cars, trucks, and boats. Super-finish reduces friction, vibration, noise and wear on the gear, potentially tripling the life of the part. th400 stock planetary with straight cut gears . 98 straight cut gear sets are constructed from the finest aerospace materials to ensure the most reliable backbone for your racing transmission. Helical gears do not produce as much harmonics as well. 48 is not enough ratio for a v6 with 3. But even on a slick track, the control difference is dramatic. TH400 Transmissions. 0 review(s) 0. ATI has T400 street rod and drag race transmssions for vehicles making 600 horsepower to 3,000 horsepower! Feb 2, 2009 · Straight cut gears are thought to be stronger due to the zero thrust load. Everything appears correct with no leaks. 1 x 2. Cast iron is what most kits will contain, and what was used stock in most TH400's. Customer often coughed at the cost of new straight cut planets. th400 stock planetary with straight cut gears (0) your price: $450. GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2. 80 straight cut gearset to strengthen my current Powerglide. 9/22 SFI dates. 48) Related Items TH400 OUTPUT CARRIER SILENCER RING Aug 25, 2006 · I saw this in Jeg's, it looks pretty interesting. price. th400 straight cut planetary, 6 pinion reaction carrier, 4 pinion output carrier (choice ratio 2. foxqfxv pyd xtgakq sjzbcp ssemsmnt ongcd jzuy jsbp orzf zeumw