Is the TH400 transmission automatic?

Is the TH400 transmission automatic?

The GM TH400 transmission is a three-speed automatic transmission that was longitudinally positioned behind the engine. This placement is aimed at providing the best power ratio and durability for rear-wheel drive. The TH400 has been rated at 450 ft.

How many gears does a 400 Turbo transmission have?

three-speed
TH-400 transmissions are three-speed automatics, with a 2.48:1 first gear. Reverse gear is 2.08:1 and third gear is an even 1 to 1. Turbo 400s use three tail shaft lengths; the most preferred units for a GM swap would have the short 4-inch tail shaft.

Is a Turbo 400 automatic or manual?

automatic transmissions
The Turbo 350 (top) and the Turbo 400 (bottom) are the quintessential GM automatic transmissions. Both are three-speeds, but the Turbo 400 is physically larger and designed more for the torque capacity of big-block engines.

How much does a Turbo 400 cost?

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Is a TH400 good for towing?

In general, the Turbo 400 can be built to handle as much as 500 hp and tow up to 13,000-pound trailers-although not necessarily daily.

How much power can a TH400 handle?

About 400-450 HP/TQ is the limit on the stock TH400. With ONE almost free modification and some minor valve body calibration changes, 800 HP on an otherwise stock TH400 is not a problem if it’s assembled well (good endplay, etc), and the 34 element sprag is a wise addition above 450 HP or any drag usage.

How much horsepower does a Turbo 400 have?

Gm Turbo 400 Transmission TH400 Stage 2 Race Up to 650 HP.

How much does a TH400 cost?

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Are all TH400 the same?

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.

How much HP can a t400 handle?

Which is better 4L80E or TH400?

Though 4L80E race transmissions are quite similar to TH400 in terms of strength and parts used, however, there are differences, such as the added overdrive gear, advanced electronic controls, and a lock-up torque converter. 4L80E transmissions have nearly 25% overdrive and are 4 inches longer than the TH400.

Is a TH400 a good transmission?

The TH400 or Turbo 400 is a good transmission that was used in several cars years ago. This popular transmission was found in GM’s cars, as well as, Rolls-Royces, Jeeps, Jaguars, Ferraris, etc. The TH400’s high-level of adoption could be tied to its remarkable features, and it proved that people can once again rely on GM transmissions.

How much does it cost to rebuild a TH400?

The complete rebuild kits are $300-$700 depending on the quality and components. Most shops usually put about $300-$400 materials, and about $200-$400 labor. The best rebuild kits are transgo, B&M, Raybestos th400 rebuild kits. How do I upgrade my th400?

What kind of transmission fluid goes in a TH400?

What kind of transmission fluid goes in a TH400? I’d recommend Dexron III too, but Dex 3 is more of a friendly companion to TH350. For TH400, you have more torque pushing through a high profile engine. Similarly, what is the fluid capacity of a th400 transmission? You can expect to use between 11 and 12 quarts of fluid in the stock version.

What are torque specs on a TH400 transmission?

The TH400 is an automatic shift, three-speed, longitudinally positioned transmission. It is widely regarded to be a supremely durable and legendary transmission. The TH400 is conservatively rated at 450 ft. lbs. of input torque. Aftermarket building techniques take it well past that figure.