Originally Posted by
Stealth Mode
1. from wat i understand the 351W's intake is 2" wider than the 302 intake, correct or no?
2.will 302 heads work on a 351W, and will they raise the compression of the engine, and can i gain any type of hp/tq, on the bottom, mid and high end's?
ive heard alot of ppl say that u can pull hp/tq from 351 heads on a 302, is it the other way around too?
1) The extra intake width is from the deck height being higher, nothing else.
2) The 302 heads WILL work on a 351W, but you will need to drill out the bolt holes. How do I know this? Because I have 302 heads which I used on a 351w for some time.
3) Do they raise compression? Well, not really unless you have them decked.
4) You can only gain hp and tq numbers from interchanging the 302/351w heads if you use OLD 351w heads (1970 I think) or the old 260 heads which had the smaller combustion chambers.
