bake84stang

I have 84 mustang with 82 302 crane came 288 512 lift tooker 2 intake heads ported and polished full headers 5 speed 8.8 373 gears. I have a holly 780 and a holly 650 both vacume sec which one should I use?

JIM5.0

Welcome to the board!

But I hate to say that you hit the 2005+ Mustang sub-forum. All of our cars are fuel injected unless someone did a mod and dropped in an older engine in.

For carbed classic pushrod 302s, check out this subforum:
https://mustangforums.com/forum/5-0l...95-mustang-14/