Theres more involved with switching to an 8 in a 54, than retaining the six. 55 is plenty fast in an AD to still have fun. When you go to an 8 you have to consider the brake upgrade, and possible cooling issues.



1950 3100 3 windo
1951 gmc 102
1958 chevy 3200
1959 gmc 102
1963 c20
1959 buick lesabre
1961 buick lesabre