24 Feb 15, 10:11 am
Not sure what all your are trying to do or accomplish but here is a decent write up on an engine swap using a ramjet 502 onto a 454 vortec. Might have some good information in it.
http://67-72chevytrucks.com/vboard/showt...p?t=263323
http://67-72chevytrucks.com/vboard/showt...p?t=263323