Let's see CKP's 650 HP 455 Oldsmobile bracket builds with drag strip data at a known weight.

 

Good idea. that’s 1.43 per cube….which probably wasn’t 455 inches in the first place, but I’ll give mr wonderful the benefit of the doubt.. after all, he has years of experience to offer everyone here.

I heard a 307 , 316 inches actual, in the 2011 Engine Masters Challenge made 1.6 hp per cube with factory 140 hp smog heads ,, and an Edelbrock carb no less,, everyone knows they suck.