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Craig K. · 10-14-2008, 01:00 PM

750 is way to much for your combo.

I have a 650 mechanical secondaries on mine and it runs around 12.1:1 air fuel (don't know jet size) in a 10:1 compression motor and a .500 lift / 228 duration cam.

I would think 600 CFM would be good for your application

10-14-2008, 01:00 PM	#7
Craig K. Nothing new here Join Date: Dec 2004 Location: Senoia, GA Posts: 2,990	750 is way to much for your combo. I have a 650 mechanical secondaries on mine and it runs around 12.1:1 air fuel (don't know jet size) in a 10:1 compression motor and a .500 lift / 228 duration cam. I would think 600 CFM would be good for your application __________________ 1974 Triumph TR6 1985 Monte Carlo SS 1986 Mustang GT 2011 KIA Optima GTS