What transmission came in a 79 Trans Am?

What transmission came in a 79 Trans Am?

Pontiac only issued two transmissions during the model year, the standard being the Turbo Hydra-Matic 350 three-speed automatic. Containing a first gear ratio of 2.52:1, it backed both the 403 and the 301. The governor cover features the transmission code ME or MJ against the 301, and LM or LP against the 403.

What rear end is in a 1979 Trans Am?

All 1979 W72 T/A’s came with 3.23 posi rear axles. The early literature states that all 403 cars came with 2.41 gears, but I had a ’79 WS6 403 Trans Am and the build sheet shows a 2.73 rear axle.

What engines were available in a 1979 Trans Am?

The base 135-hp 301 two-barrel engine (Federal) and the 125-hp 305 two-barrel Chevrolet (California) made the Formula slow, but the more powerful 400, 403, and the 301 four-barrel were optional. A 165-hp 350 four-barrel was for Chevrolet high-altitude regions.

What is a 1979 Pontiac Trans Am worth?

For instance, the average price of a 1979 Trans Am (with the 400 Pontiac V8) is $22,500, according to Hagerty’s Valuation Tool, while a Tenth Anniversary Edition in the same condition is worth about $10,000 more.

How do I identify a GM 12 bolt rear end?

The easiest way to identify a 12-bolt rearend is obviously by the 12 bolts holding the rear cover onto the axle housing. The pinion shaft on passenger-car differentials is 1-5/8-inch in diameter and the cover is oval, measuring 10-15/16-inches wide by 10-5/8-inches tall.

Are all GM 12-bolt rear ends the same?

A different 12-bolt differential was used for light truck applications, but those 12-bolt units are not directly interchangeable. You can identify a truck differential by the smaller, 1.438-inch diameter pinion shaft and the size of the rear cover, measuring 10.875 inches by 10.875 inches.

What is the top speed of a 1979 Pontiac Trans Am?

The power is delivered to the wheels via a 3 speed automatic gearbox. The Pontiac Firebird Trans Am weighs a quoted 1583 kg at the kerb. Top stated speed is 180 km/h (112 mph). 1979 Pontiac Firebird Trans Am specifications

Are 1979 Trans Am special editions still popular?

Today, the ’79 Trans Am models, including the Special Edition and 10th Anniversary variants, have become prized among collectors for their combination of styling, power and affordability, which is bolstered by a healthy aftermarket parts supply that keeps them prowling the pavement.

What was the last year for the Pontiac Firebird Trans Am?

The trend continued for 1979, when the second-generation Firebird concurrently received its last facelift and spent its last year with available 6.6-liter power. Pontiac was obviously doing something right, as 1979 saw an all-time-high Firebird production figure of 211,453 units, 117,108 of which were Trans Ams. How could this be so?

How many engines in a 1979 Mustang Trans Am?

The exact number of engines retained for the ’79 models varies between 8,672 and 8,800 in several published reports; however, what is established is that 8,326 were bolted into Trans Ams (some of the balance was used for Firebird Formulas). WS6 suspension provided wider eight-inch Snowflake wheels, in either gray or gold.