How much horsepower did a 1972 Trans Am have?
Table of Contents
How much horsepower did a 1972 Trans Am have?
300 hp
Technical Specifications: Engine: 455 ci/300 hp H.O. Transmission: 4-Speed Manual.
How much horsepower does a 1973 Trans Am 455 have?
310-
The 310-net horsepower rating seen in the 1973 magazine features dropped to 290 in production cars, which still made the SD-455 the highest-rated V-8 from Detroit in 1973 and 1974.
How much horsepower does a 1976 Trans Am 455 have?
200 horsepower
Except in California, the big 455 V-8 remained available, again rated at 200 horsepower. Trans Ams continued to display their immense Firebird emblem, sometimes derided as the “screaming chicken.” Because of government emission standards the 1976 Trans Am went from a 455 to a 200 horsepower engine.
What is a 455 Super Duty?
In 1973 and 1974, the 455 was offered as a special version called the Super Duty 455 (SD-455). This model was unique because it consisted of a strengthened cylinder block including four-bolt main bearings along with added material in different locations for additional strength.
What engines were available in a 1972 Firebird?
The 455 engine was available in the L75 325 hp (242 kW) version and the LS5 335 hp (250 kW) HO version. Both the 455 and 455 HO were available as engine options for the Firebird Formula, but the Trans Am received the 455 HO as standard equipment.
Was Pontiac 455 a big block?
That’s right, the 455 was not a big block because Pontiac never had a big block. Or a small block. Throughout its entire existence, Pontiac only ever manufactured a single V8 engine family!
What cars came with a Pontiac 455?
Pontiac 455 V8 Big Block By 1970, the 455 was found in the popular GTO muscle car, where it produced 370hp and 500 lb-ft of torque. It continued until 1976 in the form of the 455 SD found under the hood of the Firebird.
How much is a 1972 Pontiac Firebird worth?
Vehicle Valuation Analysis
| Bodystyles | Median Sale |
|---|---|
| Espirit Hardtop | $16,000 |
| Formula Hardtop | $14,500 |
| Hardtop | $28,050 |
| Trans Am HardTop | $50,000 |
Is Pontiac 455 a good engine?
Despite only two years in production run, the 455 H.O. is regarded by many Poncho experts as the most versatile street engine Pontiac ever produced. Gobs of low-rpm torque make it quite responsive in normal driving conditions, and it can instantly turn tires into a smoky haze by standing on the throttle.
What is the difference between a Pontiac 400 and 455?
In fact, the 400 actually has a slight advantage over the 455 for maximum performance applications because its smaller-diameter bearings offer less friction and its smaller main journal bore leaves more material in the bulkhead.
Did Pontiac make a 455 cubic inch engine?
Of the three 455 cubic inch V8 engines offered by General Motors in 1970, the Pontiac 455 took the most unusual route to the market.
