390 is heavy
I think the FE's are relatively heavy as compared to more modern blocks. I think Shelby does make heads and intakes as well as Edelbrock. You can make that 390 into a 450 HP engine with only easily available parts if you want. Weight will always be a factor though even with al heads, intake, etc.
Rev
__________________
'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
|