Originally Posted by DougGass87
since we are on the Olds subject, i have been told that a 455 will bolt right in place of a 307, is this true?
Define "bolt right in place".
It should bolt to the tranny and mounts shouldn't be a problem, but whether it fits the engine compartment, clears steering shaft/linkages, firewall, etc. is another story. Get one complete with brackets as they can be different.