Pontiac's 389 cubic-inch V8 engine was a muscle car staple in the 1960s, most famously appearing in the GTO. That's not all it was good for, though.

The standard engine was a 400 cubic-inch V8, generating 350 horsepower and 440 lb-ft of torque. For those seeking even more power, the optional 428 V8 delivered 360 horsepower and 472 lb-ft of torque.

Pontiac called it the “Trans Am”, a direct reference to the Trans Am racing series it competed in. 13. 1970 Oldsmobile 442 W-30: By 1970 the V8 engines in muscle cars were sized well beyond 400 cubic ...

Pontiac introduced its new 350-cubic-inch small block in 1968, placing the powerplant into its Firebird, Tempest, LeMans, and Parisienne models. The Pontiac 350 had a 4.62-inch bore spacing.

The standard item is the L78 400-cubic-inch engine that provides adequate performance; but if that isn't enough, a stout LS5 Pontiac 455-cubic-inch H.O. engine can be had.

inefficient today to consider that GM was producing unique 455 Pontiacs, 455 Oldsmobiles, 455 Buicks, and 454 Chevrolets--four engines within 1 cubic inch of displacement--all at the same time.

The last year for the 455-cubic-inch V8 in the Pontiac Firebird Trans Am was also the most successful for the big engine, with over 7,500 units sold ...

Ted Fox, Owner, Scooter's Garage New Parts Unveiled Ted Fox Showing Parts Attached to a Pontiac Engine The Tiger Cub Initiative promises to be an exciting innovation for Pontiac owners nationwide ...

It was only surpassed by the gargantuan 455-cubic inch (7.5-liter) Pontiac V8 fitted to only a handful of top-of-the-line, fully-specced out examples manufactured only for a short period.