Holley 650 DP Mec Sec or 750 Vac Sec
I talk to my engine builder and he thinks I should run a Holley 650 DP Mec Sec rather than my plan to use the 750 Vac Sec. He dont think that I will have enough vacuum to operate the vac sec of the Holley 750. However I think my combo is calling for the 750 Vac Sec. UDHarold said he did not have a problem with this cam running power brakes in a 406.