Hi, I am new to this site…
I have a 1971 Mustang GT-351:
351w (méxico city 7000 feet at sea level):
Camshaft elgin 290 240 .512 inch lift
Valve Springs, Dual, 1.509 in.
Intake edelbrock airgap dual plane
Carburetor holley 650 double pumper, mechanical secondary
Ford racin valve covers 427...