R rob1984 New Member Aug 1, 2006 9 0 0 Aug 17, 2006 #1 Aug 17, 2006 #1 Ihave an 87 5.0 anyone swap 68-70 302 heads onto one . What can I expect for performance gains ? Where can I find info on valve sizes?
Ihave an 87 5.0 anyone swap 68-70 302 heads onto one . What can I expect for performance gains ? Where can I find info on valve sizes?