The 700R4 did not seem to help my mileage much because of a big cam and lower rpm don't go well together--no problem with power just the gas gets pushed out both open valves by the supercharger on overlap! The TH400's high-level of adoption could be tied to its remarkable features, and it proved that people can . On the other hand, that 3,000 rpm multiplied by an overdrive ratio of 0.70:1 yields a cruise rpm of 2,100. gear vendor overdrive and e40d transmission . GM HydraMatic Powerglide, Th350, Th400 - all in shorty and long kits Ford C4, C6, Top Loader 4sp all in - shorty and long kits Anyway go 400 with a Gear Vendors overdrive or 4L80 in you must have overdrive. TH400 MEDUSA Specialty Hard Parts. SHARE POST #11. If a 700 is built by a GOOD trans person who knows the tricks, it will work just fine. Welcome to Bowtie Overdrives, home of the worlds finest GM Automatic Overdrive Transmissions. $150.00 + $64.15 shipping + $64.15 shipping + $64.15 . However, both . U.S. GEAR 1991-UP GM TH400 4L80E 2WD US DUAL RANGE OVERDRIVE KIT HOUSING M-10 Opens in a new window or tab New (Other) $385.00 Buy It Now +$11.94 shipping Sponsored 1965-UP GM CHEVY TH400 TH375 GEAR VENDOR OVERDRIVE BRAKE TYPE HOUSING WITH SEAL Opens in a new window or tab The power steering does not maintain any pressure, just circulates oil, unless there is some load on the steering. Fits 2002-On. 4L80E Overdrive Planetary (Late) This overdrive planetary assembly is redesigned with a billet steel drive plate to eliminate spline/housing failure in high horsepower and extreme applications. TH400 Pump Gear Sets. You should have plenty of room for this without any cutting also. GM Products 4L80E 4L80E Overdrive Planetary Late. TH400 Servo Assembly. Since the 700 is essentially a 400 with an overdrive built into it, most critical parts from the 400 that were cheapened up in the 700 will fit the later trans, rollers, clutch hubs, etc, and will make a descent 700. . Here are both transmissions gear ratios. It was introduced for the 1965 model year and made its debut in Cadillacs, and is respected for its durability and adaptability. TH400 Modulator. Gear Vendors is an aftermarket, bolt on overdrive for the TH400 (and many others). Swap that Powerglide, C4, TH400 or TH350 with one of our Overdrive Packages. TH400, and Powerglide to the newer Overdrives. This is a big difference which Th400 lacks, compared to 700r4. TH400 Ring Gears. TH400 Sealing Rings. It uses the same first three gear ratios but adds a 0.75:1 overdrive. . If you are looking to go with more than 500 horsepower, maybe the . The whole concept of Gear Vendors manual kits. This TH400 is the largest of the common GM automatic transmissions, however, the transmission still maintains a compact design. Captn_Jim Save Pre-owned Pre-owned Pre-owned. GM Muscle Car / Street Rod / Restoration 2-Speed / 3-Speed Automatic. GM 2004R Conversion Packages. TH400 Piston Overdrive Clutch. List price: $550.00. Pre-Owned. Friendly, Knowledgeable Staff Ready to Assist! Description 12 roller sprag type, 4 gear aluminum overdrive planet, overdrive sun gear, overdrive ring gear, overdrive outer sprag race, overdrive center shaft with bearings and thrust washer. Not the least expensive route but seems to be very dependable and strong. 4L80E Overdrive Planetary (Early) This overdrive planetary assembly is redesigned with a billet steel drive plate to eliminate spline/housing failure in high horsepower and extreme applications. . Free shipping Free shipping Free shipping.
But the 1000 rpm drop is sure nice on the ears. GEAR, TH400 GOVERNOR GEAR KIT 65-UP $ 8.00 Add to cart; A4LD OVERDRIVE PLANET GEAR NUMBER A56580 1985-1995 $ 158.00 Add to cart; 700R4 / 4L60E REAR SUN GEAR, 1982-UP Monster uses this in conjunction with the TH400 planetary gearset to allow the gears . TH400 Pan. GM 700R4 7004R Conversion Package. TH400 Sealing Rings. TH400 Planetary Overdrive. 2nd is too much of a drop from 3rd & the 1-2 gap is even bigger. 100 PSI of converter charge pressure generates 89 pounds of rearward thrust on the overdrive planetary gearset, forward clutch housing, and mainshaft. Not only will an Overdrive Transmission improve your performance, but it will reduce your fuel consumption by up to 33%. Unlike the TH400, lube pressure doesn't raise rearward thrust. The Turbo 400 relies on vacuum modulation based on throttle position and load, which affect manifold vacuum. 34580 - TH400 OVERDRIVE PLANET, USES SPRAG WITH 0.309" OD ROLLERS, 1991-01, GM. If you are looking to go with more than 500 horsepower, maybe the 4L80E is the right transmission for you. Fits 1991-2001. The overdrive gives a better alternative to direct drive, stepping up the gear ratio of the car. The TH400 transmission comes with a case made of cast aluminum alloy to give it strength and durability. 200-4R PLANET, REAR, 1976-UP $ 93.00 Add to cart; 42RE, 42RH, 44RE, 44RH, A904, Ten Rear Planet Endplay Shims 12780-Z, (10) $ 13.00 Add to cart; 47RE 46RE 44RE 42RE Heavy Duty 6 Pinion Overdrive Planet Gear 15 Degree Angled Teeth $ 150.00 Add to cart; 48RE Front Planet Gear - 6 Pinion Aftermarket A22582G 48RE Only $ 249.00 Add to cart USED PARTS Other Items 26837A C6 Transmission Rear Ring Gear Your Cost $46.04 Add 26835A C6 Transmission Rear Planetary 3 Gear Your Cost $46.04 Add At about 2600 dollars (depending on model) the GEAR VENDORS is not the cheapest way for you to get overdrive but is by far the best. . $35.00. Save th400 overdrive to get e-mail alerts and updates on your eBay Feed. List price: $550.00. Gear Vendors is an aftermarket, bolt on overdrive for the TH400 (and many others). TH400 Planetary Overdrive. . Add to cart. TH400 Piston Overdrive Clutch. The TH400 is an aluminum cased three speed automatic transmission that was produced by GM. John Kilgore has been building race transmissions for years, and offers a lower 2.75 First gear ratio planetary for TH400 . Update your shipping location. That's why we called John Kilgore Transmissions in Sun Valley, California. This overdrive planetary assembly is redesigned with a billet steel drive plate to eliminate spline/housing failure in high horsepower and extreme applications. Introduced in 1964, the TH400 is an automatic shift, three-speed, longitudinally positioned transmission. TH400 Planetary Overdrive. Contact Us 727-868-9462 The case is very smooth and its length sits at length of 24-3/8 long. On the other hand, that 3,000 rpm multiplied by an overdrive ratio of 0.70:1 yields a cruise rpm of 2,100. Typical 4L80E converter charge pressure during high load is usually around 100 PSI, with a maximum line pressure of 180 PSI. so what you would have is diff ratio 2.46 x 1st gear in trans #1 x 1st gear in trans#2. Rear planetary setup. Shift modulation. TH400 Pressure Plate. For more you may wish to check out: 4L60E VS 4L80E Differences TH350 vs. TH400 Cast Aluminum Pan . That's a. Whether you are looking for the evenly geared 2004R or the aggressive first gear (3.06:1) in the 700R4, you are in the right place. What makes the Turbo 400 different from the 700-R4 is shift modulation. B Bob Bryan Registered Joined Sep 10, 1998 TH400 Regular Assembly. Overview of the GM TH400 Transmission. TH400 Selector. TH400 Seals- Front Pump. This gives 700r4 a higher speed ratio than Th400. With a TH350 or a TH400, your car would be turning about 3,000 rpm at 70 mph. Contact Us 727-868-9462. It fits on the back of a NP205 transfer case. TH400 Modulator. 4L60E Conversion Packages. TH400 Selector. TH400 Planetary Overdrive An overdrive unit is designed to maintain cruising speeds of the vehicle while simultaneously reducing the RPM produced in order to better fuel economy and prevent excess noise and wear made by the various parts of the transmission. Unlike the TH400, lube pressure doesn't raise rearward thrust. From the tiny bit of info I found on the internet, it looks like it's planetary drive like a gear vendors, but doesn't have an internal pump, so you're supposed to use the C6 transmission pump. Ross-Lock pro tree trans brake reverse shift pattern - clean neutral option at no charge . TH400 Nuts/Bolts/Fittings. The 4L80E is just a longer, heavier, overdrive version of the TH-400. Add to Watchlist Unwatch. 1965-UP GM CHEVY TH400 TH375 GEAR VENDOR OVERDRIVE BRAKE TYPE HOUSING WITH SEAL. With a TH350 or a TH400, your car would be turning about 3,000 rpm at 70 mph. These transmissions combined have gear ratios that are much closer to one another than their respective peers of the time. TH400 MEDUSA Specialty Hard Parts. TH400 Regular Assembly. The Turbo 400's imposing demeanor is reflective of its brute ruggedness. I disassemble the rear output shaft from the output ring gear and clean and inspect the planets. 2 4oo's coupled would not give you an overdrive what it would result in is lower gear ratio. Gear Vendors under/overdrive auxiliary transmissions Hot Rods, GM 3-Speed Automatic Performance Car/Street Rod. Rear case thrust bearing . This popular transmission was found in GM's cars, as well as, Rolls-Royces, Jeeps, Jaguars, Ferraris, etc. Contact. Keeping the underdrive gears and direct in the main case and then adding an indestructible planetary overdrive gear behind it keeps the entire package stronger. Product #: 279741. Since the 700 is essentially a 400 with an overdrive built into it, most critical parts from the 400 that were cheapened up in the 700 will fit the later trans, rollers, clutch hubs, etc, and will make a descent 700. $775.00. It is best to adjust rear endplay on the tight side. 4L80E. This means that with a 3.55:1 rear gear, the overdrive drops the effective rear gear ratio to 2.66:1. You should have plenty of room for this without any cutting also. An overdrive unit is designed to maintain cruising speeds of the vehicle while simultaneously reducing the RPM produced in order to better fuel economy and prevent excess noise and wear made by the various parts of the transmission. A Gear Vendors will handle more horsepower, deliver bigger performance gains, give you guaranteed trouble-free performance, and install easier than any other overdrive available. On a TH400 (unless it has straight cut planetary gears) the planets will try to thrust load against the case bearing and the center support. TH400 Pan. TH400 Ring Gears. Jan 13, 2003 Personally, I didn't like the TH700 for towing. Sign in to check out Check out as guest. The 4L80E is just a longer, heavier, overdrive version of the TH-400. Buy It Now +$31.25 shipping. This model has a conservative rate of 450 ft. lbs of input torque, though that can be easily upgraded with aftermarket improvements. Shipping. There's a slight weight gain with the 700-R4, which tips the scales at 155 pounds versus the 400's 134. GM TH400 TURBO 400 REAR PLANETARY GEARSET.ORIGINAL GM COMPONENT $19.95 + $14.25 shipping 400 3L80 THM400 TH400 Rebuilt Rear Planet No Sensor Ring Type 4L80E 4x4 1991-96 $65.00 Free shipping 4L80E or Turbo 400 1967-1997 straight cut sun gear $40.00 + $10.00 shipping V60 Aluminum Turbo 350 400 Th400 4L80 4l60 & E -6 Transmission Cooling Fittings Tech. lightest and strongest planetary on the market . That's a . 34580 - TH400 OVERDRIVE PLANET, USES SPRAG WITH 0.309" OD ROLLERS, 1991-01, GM Opens in a new window or tab. 2.46 x 2.48 x 2.48 = 15.3. 10 minute call for repair assistance with a certified technician - $14.95 10 minute call for repair assistance with a certified technician - $14.95 Opens an information Overlay. Jul 15, 2007 Trouble is, the C6 transmission pump maintains constant pressure on the oil because it has a good cooling system. This means that with a 3.55:1 rear gear, the overdrive drops the effective rear gear ratio to 2.66:1. Swap that Powerglide, C4, TH400 or TH350 with one of our Overdrive Packages. These overdrive packages add up to a much improved driving experience. Restricting it to make 100 psi or whatever that thing wants will overheat it quickly. TH400 Pump Gear Sets. Ford AOD Conversion Packages. Th400 is not an overdrive transmission. XHD. Jeff Smith: The physical part of bolting this transmission in the car will be easy. Gear Ratios. His latest setup is a 400 in front, with a 700 behind, in a Chevelle, 454, not a slouch in the torque department. TH400 Pressure Plate. TH400 Seals- Front Pump. TH400 Nuts/Bolts/Fittings. It is highly regarded for its supreme durability. Quantity: 4L80E Overdrive Planetary-Early. 46580K - 5R55N 5R55S 5R55W, OVERDRIVE PLANETARY PLANET KIT, 24 TEETH SUN GEAR. GM HydraMatic Powerglide, Th350, Th400 - all in shorty and long kits Ford C4, C6, Top Loader 4sp all in - shorty and long kits Quantity: 4L80E Overdrive Planetary Late. 3-Speed Max Duty Outlaw Lock-Up T400 Transmission Add a standard welded Lock Up converter for $2,750 or a bolt together Lock up converter for $3,750 ATI's welded Outlaw Lock-Up Converters provide 0% slip for up to 2800 HP while the Bolt Together Lock Up Converter will provide 0% slip all the way up to 4500HP. The overdrive feature is fitted to the fourth gear of the 700r4; this offers a 30% increase. While the TH400 lacks the overdrive gear of the 4L80E, every other gear is the same. 233, 248, 257, 266, 275 gear set, single pinion thrust bearings. Jeff Smith: The physical part of bolting this transmission in the car will be easy. GM Products 4L80E 4L80E Overdrive Planetary-Early. The whole concept of Gear Vendors manual kits. I just won an ebay auction on an American overdrive. It uses the same first three gear ratios but adds a 0.75:1 overdrive. Product #: 279740. Not the least expensive route but seems to be very dependable and strong. Typical 4L80E converter charge pressure during high load is usually around 100 PSI, with a maximum line pressure of 180 PSI. The TH400 or Turbo 400 is a good transmission that was used in several cars years ago. Keeping the underdrive gears and direct in the main case and then adding an indestructible planetary overdrive gear behind it keeps the entire package stronger. Fits 2002-ON. The engine is less stressed on the highway, which means you're less stressed, and the ride is quieter with lower engine speed and less fuel consumption. 6.17 x 2.48 = 15.31. jeff/21, Dec 26, 2013. We have everything you need to make the conversion from the older TH350, TH400, and Powerglide to the newer Overdrives. 4 Speed Overdrive. TH400 Servo Assembly. Options and Upgrades. Gear Vendors under/overdrive auxiliary transmissions Hot Rods, GM 3-Speed Automatic Performance Car/Street Rod. Shipping to: 98837. 100 PSI of converter charge pressure generates 89 pounds of rearward thrust on the overdrive planetary gearset, forward clutch housing, and mainshaft. .