What transmission is in a 1978 Trans Am?

Turbo-Hydra-Matic transmission
Car and Driver road tested a 1978 Trans Am with the 400-cid/200-nhp V-8 and Turbo-Hydra-Matic transmission and concluded it was “very sophisticated and impeccably well mannered.” The car was fitted with non-stock 2.56:1 gears to produce a 130-mph top speed.

What year did the 455 come in the Trans Am?

The second generation of Pontiac Firebirds was from 1970-1981. This generation received a new body style that was more “swoopy” as opposed to the “Coke bottle” style of the first-generation Firebirds. In 1973 and 1974, the 455 was offered as a special version called the Super Duty 455 (SD-455).

What year is a 4th Gen Trans Am?

The fourth generation of Pontiac Trans Am was introduced for the 1993 model year. The Trans Am was a performance package option for the Pontiac Firebird that usually featured upgrades to the drivetrain, as well as notable design as styling changes. The fourth generation Pontiac Trans Am was produced until 2002.

What generation is a 79 Trans Am?

1979 Pontiac Firebird 2nd-gen. Trans Am Coupe all versions specifications and performance data.

Is a Buick 455 a good motor?

When Buick developed the 455,they understood that the engine had it’s limitations,but when it was developed to be used in an Electra,the engine was extremely reliable. With our GS’s,these engines make great power and are reliable,only if you don’t push the performance envelope too far.

Did Pontiac make a 400 small block?

The basic 400 continued through the 1978 model year, and the 428 grew into the 455 for 1970 when a 0.21-inch increase in stroke was added to its crankshaft. The 455 went away after 1976, and Pontiac went to work developing an entirely new small-displacement V8 whose total design was aimed at maximizing fuel economy.

What year did the Firebird get the LS1?

Car Engines Starting in 1997 for the Corvette, and 1998 for the Camaro and Firebird, the LS1 was the available V8 engine choice. The LS1 is the daddy of the modern small block Chevy V8, the progenitor of what would go on to be one of the most commonly swapped engines ever.

How much horsepower can you get out of a Buick 455?

They rated the standard issue 455 at 350 HP and the high-performance stage I version at 360 HP. This engine had a short run starting in 1970.

How much horsepower does a 455 Buick have?

The standard 455 wielded 350 horsepower and the performance Stage 1 version developed 370, although testing on many Buick 455s put the horsepower rating closer to 425. However, what made the 455 special was its torque rating of 510 foot-pounds, more than any other engine on the road in 1970.

How much horsepower can a Pontiac 400 make?

Back in the day, the most powerful 400 (Ram Air IV) made by Pontiac put out 370 hp (GTO), so 512 hp is certainly a ton more performance; all in, it’s a package that looks deceptively stock.

How much horsepower can you get out of a Pontiac 400 engine?

97 jets square, 0.030/0.020 valve lash, and 31.5 degrees timing produced 650.4 hp at 6,300 and 596 lb-ft of torque at 4,900 rpm….