I think the answer is the stock cam. The heads and the rest of the performance mods, do not work well in combination with the cam. This is the main reason companies like Edelbrock sell the power packages. Cam. heads, intake and carb.
Ron
__________________
65 Mustang Fastback
347 Stroker, C4 with 4.56
10.68 @ 122 N/A
9.74 @ 137 w/ N2O
www.fastspecialties.com
|