According to industry lore, Pontiac was poised to unveil its updated line of V8 engines in 1953, but chief engineer George Delaney wanted some more time to perfect the new engine. Pontiac's fresh ...

On behalf of Pontiac Motor ... the 421-CID advanced in ranks to 428 cu-in (7.0 liters). Both engines were available in the Grand Prix and ... we can’t say what engine it has (400 or 428 ...

Debuting in 1967, the 428 engine not only powered cars but also fueled dreams, and its robust performance earned it a spot on our list of Pontiac's most reliable engines.While capable of ...

1969 Pontiac GTO Judge With 428 YH Engine Needs the Final Repairs ... but I believe YH engines were all 2-bolt mains, albeit Pontiac drilled 428 units for 4-bolt setups. 4-bolt mains ...

Of course, none was rated as strong as the 421-cubic-inch V8 that featured dual four-barrel carburetors and was available as an option in the 1962 Pontiac Grand Prix. That mighty motor cranked out ...

Pontiac's 428 V8 engine was a big upgrade in the 1960s, ... This led to the development of the "Royal Bobcat" program, through which Royal Pontiac offered dealer-installed 428 V8 engines.