Is a Turbo 400 transmission good?

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.

Is a Turbo 400 a 4 speed?

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 transmission cost?

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How can you tell if a turbo is hydramatic?

The Turbo Hydra-Matic 700R4 can be identified by an oil pan number six shown at General Motors Transmission Pans. The tailshaft housing is held onto the main case by four bolts (the bolt spacing is similar to the THM350), and uses a square-cut o-ring seal, and not a gasket.

Will a Turbo 400 bolt to an LS engine?

“The TH350, TH400, and Powerglide are a direct bolt-on for an LS engine,” explains TCI’s Winstead.

How much horsepower can a Turbo 400 transmission 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.

Is a 700R4 better than a TH400?

The 700R4 is an improved and upgraded model compared to its predecessors-TH350 and TH400. The GM THM700R4 is a 4-speed automatic-shift overdrive transmission installed longitudinally (front to back) over vehicle chasses.

Is a TH350 the same as a Turbo 350?

The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. Jointly developed by Chevy and Buick, it is also referred to as the CBC (Chevrolet-Buick Combined) 350. The Turbo 350 quickly become known for its strength, versatility and compactness.

Is a Turbo 400 the same as a TH400?

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 horsepower can a TH400 handle?

About 400-450 HP/TQ is the limit on the stock TH400.

How much longer is 4L80E than TH400?

about 4 inches longer
Also, the 4L80E transmission is typically about 4 inches longer than a TH400 (depending on the length of the extension housing), but the trans mount is located roughly 112 inches rearward.

What transmission is best for racing?

5. Sequential Manual Transmission. The sequential manual transmission is rarely used in passenger vehicles but it is a top choice for racecar drivers. This highly sophisticated unit uses the feel and control of the manual transmission with the swiftness and precision of an automatic.

Will a 700R4 work without a computer?

To run a 700-R4 trans behind a carbureted engine without a computer, at the very least the TV cable must be hooked up to the carburetor and properly adjusted. Not just a simple kickdown cable like your TH350 analogue, the TV cable controls line pressure and shift points.

How much HP can a TH350 handle?

450 hp
The Stage 1 TH350 is rated up to 450 hp.

What is the best transmission for a 350?

TH350. Best transmission choice, hands down. The Turbo Hydra-matic 350 was first used in 1969 model cars. It was developed jointly by Buick and Chevrolet to replace the two-speed Super Turbine 300 and aluminum case Powerglide transmissions.

How much power can a Turbo 400 handle?

What is the strongest GM transmission?

The 10L90E is by far the biggest and heaviest modern automatic transmission in GM history, but it’s also the strongest and offers amazing performance and economy when matched with a Gen V LT engine. This is part of the newest technology in the performance world.

What is the strongest GM automatic transmission?

Nichols from Hughes says, “The 4L80E transmission family is the strongest GM overdrive transmission ever produced and installed in a standard passenger vehicle platform, and is arguably the strongest overdrive transmission produced by any of the big three.

How much HP will a TH400 hold?

What is the strongest Chevy transmission?

The 10L90E is by far the biggest and heaviest modern automatic transmission in GM history, but it’s also the strongest and offers amazing performance and economy when matched with a Gen V LT engine.

What transmissions do the street outlaws use?

Most racers are going to prefer using manual over automatic because of the control they have and because they’re less likely to slip. Chuck has a 2-speed transmission, and Big Chief is running a 3-speed in The Crow.

What year 700R4 is best?

Generally, 1987 and up TH700R4s or 1990-’93 4L60 units are the most desirable.