The early annular 830 CFM Holley had issues controlling the AFR above 5000 RPM, the higher you revved the motor the fatter the AFR went shruggy I think I heard the same on the 750,
maybe not shruggy
I have set of 1000 HP 4150 annular that I'm probably going to have Dominic change to down leg booster to run on one of my motors with a tunnel ram.

Last edited by Cab_Burge; 10/19/19 01:15 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)