I pulled a 318 motor out of a 82 dodge prospector for my son
the heads say 302 on them but when I pulled the exh. manifolds off I noticed a small hole at the bottom of each exh. port do all 302 heads have these and if so how do you plug
the heads say 302 on them but when I pulled the exh. manifolds off I noticed a small hole at the bottom of each exh. port do all 302 heads have these and if so how do you plug
