I have vortec heads on my ~350CI.
Solid lifter cam, RPM air gap.
Cam specs, secret.
Makes 470HP and 465FT-LBS, all in by 6500 RPM.
DUAL PLANE INTAKE, on PUMP GASOLINE.
Car has a 3500 10" converter in it.
The heads HAVE been worked, and have big valves in 'em. Aside from that, I'm not at...