1970 only had the doglegs and what they did was make the chamber a little smaller but the later heads made up for that by flowing better. IMHO 1970 heads arent worth the trouble.
Type: Posts; User: jeepsr4ever
1970 only had the doglegs and what they did was make the chamber a little smaller but the later heads made up for that by flowing better. IMHO 1970 heads arent worth the trouble.
Someone ground them in
