On top of that, it gets 27 MPG on the highway. What's interesting is that this new engine puts out almost as much power as the 5.0 liter V8 engines of just a few years ago. Pontiac engineers have lightened the valve train, which allows the engine to spin faster, so it "redlines" at 6100 rpms now. It also now sports an internal balance shaft that cancels out some of the roughness that V6 engines display when the manufacturers add more power. It also uses a higher compression ratio, as well as a more efficient computer system to get very reliable horsepower increases.
1968 Pontiac Firebird 350 HO-cid V-8 engine with high performance camshafts, improved collection system and revised exhaust Carburetion, delivered 320 horsepower, 35 more than 1968 Pontiac predecessor, the 326-cid.The new Pontiac Firebird motor with 400 HO wilder camshafts and exhaust free shot an impressive performance of 335 three-speed stick, four-speed (standard or close-ratio), or 1968 Pontiac Turbo Hydra-Matic. Even an ordinary 400 V-8, including floor-shift, chrome engine, and dual-scoop hood.
At mid-year, it seemed, Ram Air II engine is rated for 340 hp, which is significantly less than the GTO Ram Air V-8. New round-port cylinder heads and engine breathe better. Ram Air II, the choice of goodies such as a high-lift camshafts, forged aluminum pistons, and Arma-steel crankshaft.Turbo Hydra-Matic, or four-speed was required. Scoop The hood is functional Ram Air induction, the horsepower and the top of the increased Pontiac Firebird engine power curve.
On the streets, “said Sports Car Graphic’s Pontiac Firebird Ram Air,” the occasional hiss of quadrajet carburetor and sullen cloud of smoke emissions from two he looked great 1968 Pontiac strength. ”
Ram equipped Pontiac Firebird was almost to 60 km / h in 4.8 seconds and start quarter-mile in 15 Not that the 400 HO V-8 was the best, with 5.3-second 0-60 time.
BOB - Even in its original form in '67 there was a six-banger offered in the Firebird, but it was an anemic straight six. This new version is a far cry from that car. The V6 puts out 200 horses and 225 pound/feet of torque. Pontiac made a good move when it pulled the 3.4 liter V6 from the contemporary base model in '96 and replaced it with its old reliable all-iron 231-inch version. Although its been around for a long time, it still puts out enough power that its acceleration isn't an embarrassment from a stop light.