CARB??????
:? I am building a 383 chevy would like input on the size of carb. Some info 11to1 comp, 250 nitrous, hurricain intake, world heads professionally ported and polished and matched. 1.6 rockers
cam specs CCA-12-704-8 Cam Style: Mechanical roller tappet Basic Operating RPM Range: 3,000-6,500 Intake Duration at 050 inch Lift: 255 Exhaust Duration at 050 inch Lift: 262 Duration at 050 inch Lift: 255 int./262 exh. Advertised Intake Duration: 300 Advertised Exhaust Duration: 308 Advertised Duration: 300 int./308 exh. Intake Valve Lift with Factory Rocker Arm Ratio: 0.575 in. Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.575 in. Valve Lift with Factory Rocker Arm Ratio: 0.575 int./0.575 exh. lift Lobe Separation (degrees): 114 Intake Valve Lash: 0.020 in. Exhaust Valve Lash: 0.020 in. Computer Controlled Compatible: No thanks for help :? |
750 to 800 cfm is nice for your combination
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Bolaws & Airflow research and others use this formula
engine cubic inches X maximum RPM ~~~~~~~~~~~~3456~~~~~~~~~~~~ Example a 383 @ 7000rpm would use 775.75 carb. for a race engine and a rule of thumb is too use the next smaller size if for occasional street driving. Mark |
AED carb
You need the AED 750 HOM carb, we sell them, would work great for your application
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