Oct 8, 2007 #1 DART66GT 62 Lancer GT - B Body 8 3/4 Joined Aug 1, 2004 Messages 520 Reaction score 48 Location Connecticut What are the a stock valve sizes of an early 318 and a 302 head? Thanks.....
Oct 8, 2007 #2 B BJR Racing Well-Known Member Joined Oct 11, 2005 Messages 1,530 Reaction score 3 Location Dallas,Ga. 1.78/1.50 on both, but the shape of them changed abunch.
Oct 8, 2007 #3 DART66GT 62 Lancer GT - B Body 8 3/4 Joined Aug 1, 2004 Messages 520 Reaction score 48 Location Connecticut Thanks for the reply.
Oct 12, 2007 #4 pagilman Well-Known Member Joined Nov 19, 2005 Messages 790 Reaction score 5 Location farmingtonPa SilverSpr FL My book says all 318's up to 1986, 1.75 intake and 1.50 exhaust. The 4 barrel version had the 1.88/1.60 heads. I don't know about the 302 heads other than they were 1985 to 1987 and had a smaller combustion chamber. Walt
My book says all 318's up to 1986, 1.75 intake and 1.50 exhaust. The 4 barrel version had the 1.88/1.60 heads. I don't know about the 302 heads other than they were 1985 to 1987 and had a smaller combustion chamber. Walt