Quote:
Originally Posted by Bill D
Yep! OEM 302 heads have 7/16" head bolt holes. 351 heads have 1/2" holes. Most if not all aftermarket heads have 1/2" holes
|
Thanks for the confirmation.
My point is that the holes in the heads will be too small for the 1/2 inch bolts that the 351W block needs. I would assume that the heads will need to be machined to fit the bolts through.