How much horsepower does a 1973 Trans Am have?
The 1973 Trans Am engine displaced 455 cubic inches in the base L75 and the Super Duty LS2 option. The base 455 produced 40 fewer horsepower than the round port Super Duty 455. Horsepower for the base L75 455 was rated at 250@4000 rpm and 370 lb/ft @2800 rpm.
How much horsepower does a 1973 Trans Am 455 have?
310 net horsepower
For extra insurance, the engine is assembled with generous clearances. Also, an 80 psi oil system is on hand to keep the lubricant flowing while the engine pumps out all its horsepower. And that power flows off the crankshaft in astounding quantities, an impressive total of 310 net horsepower.
How much horsepower does a Trans Am Super Duty have?
More than the last true muscle cars, the Super Duty Trans Ams and Formulas were 290-horsepower proof points that Pontiac engineers could still pull a high-performance rabbit out of their hat.
How much horsepower did the Smokey and the Bandit Trans Am have?
Under the hood of the incredible Trans Ams used for the film sat a 400 ci V8 engine, which pushed out somewhere in the realm of 200 horsepower. Torque numbers were a lot higher at around 320 ft/lbs. Unlike many iconic muscle cars that we’ve all come to know and love, the Trans Am was not that fast.
How much horsepower did the Pontiac 455 have?
Horsepower and Torque The 455 High Output generated 335 horsepower and 480 foot-pounds of torque for 1970 and 1971. However, power steadily declined beginning in 1972 when Pontiac reduced it to 300 horsepower and 415 foot-pounds of torque.
How much horsepower does a 1973 Pontiac 350 have?
| Engine manufacturer: | GM Pontiac 350 V8 |
|---|---|
| Horsepower net: | 130.5 kW / 177 PS / 175 hp (SAE net) |
| / 4400 | |
| Torque net: | 380 Nm / 280 ft-lb |
| / 2400 |
How much horsepower does a Pontiac 428 have?
The 428 was rated with 260 horsepower at 4,600 rpm, and that could be boosted to 270 with some factory modifications. The engine had 472 foot-pounds of torque, or pulling power, at 3,200 rpm. By the 1969 model year, power had reached 290 horsepower.
What kind of engine does a 1973 Trans Am Firebird have?
The “screaming chicken” made its first appearance on the hoods of 1973 Trans Am Firebird models. The 455 Super Duty engine was made available and offered 310 horsepower. Both the grille and the front bumper were revised for the model year.
How many Trans Am were made in 1973?
After an extremely dismal sales year in 1972, Trans Am production picked up to 10,255. Of these, 252 included the SD-455 engine. Though sales for every pony car model increased in 1973, most of the models were on their final leg.
What was the most powerful engine in a 1973 pony car?
And that is the net rating, making it easily the most powerful engine available in any pony car in 1973. Just under 300 Firebirds got the SD-455 in 1973 – most were in Trans Ams while a few Formula 455 models got them as well.
What kind of Hood does a Trans Am have?
While a rear wing was standard on all Trans Ams, it was optional on the Firebird. Although other Formulas came standard with dual, forward-facing hood scoops, only SD-455 versions were treated to the shaker scoop that was standard on all Trans Ams, SDs and regular 455s alike.