Thus, if we want to see the most powerful engines that Pontiac ever built, we'll have to take a trip back to the 50s, 60s, and 70s. 10. Pontiac 455 Super Duty (310 HP) ...

The first Firebird offered one of its most monstrous engines right off the bat, but the notable Pontiac 400, Chevy 350, and L98 V8s would all make it under the hood over the coming decades.

Pontiac didn't wait to grace the Grand Prix with a big, burly V8. When it debuted in 1962, most Grand Prix buyers drove home with a variant of the same 389 cubic inch engine that would later go in ...

The most powerful Pontiac Fiero variant ever offered was the GT, which produced a rather mild 140 horsepower from its naturally aspirated 2.8L L44 V6 engine. For this reason, engine swaps in the ...

This 428CI Pontiac Engine from out 2013 Engine Masters Competition offers 738HP, ... a displacement identical to some of the most powerful factory Pontiac engines. Per chance, ...

The best Pontiac in Pontiac history just got better. The rear-drive G8, hailed here at AutoWeek and elsewhere in the wheeled world in its original rear-drive, 361-hp, 6.0-liter V8 form, now has a ...

Read the tech article on Building the Most Powerful Traditional Pontiac V-8 Ever, ... This engine should be capable of well over 3,000 hp and around 2,300 lb-ft when we 'lean on it' with the new ...

Even if the GXP is a failure, it will at least be remembered as the most powerful stock Pontiac ever. ... ENGINE TYPE: pushrod 16-valve V-8, aluminum block and heads, port fuel injection.

A 1974 Pontiac Trans Am Super Duty was sold for $173,600, ... The engine was the most powerful available in the Trans Am, ... The 290 hp 455 cubic-inch V8 was the most powerful option in 1974.

The Solstice GXP's engine is one of the most powerful GM has ever made - based on its size. It's a 2.0-liter Ecotec engine rated at 260 hp. By comparison, the 2.4-liter, four-cylinder Ecotec on ...