i have a chevy 350 with a LT4 HOT Cam, 218 / 228 Duration@ 0.050, Hydraulic Roller Camshaft w/ 1.6 ratio roller rockers and heavier springs and rpm air gap intake for the vortec heads what size carb should a run on it
2007-05-28 11:15:51 · 6 answers · asked by s_brad_c 1 in Cars & Transportation ➔ Maintenance & Repairs
A 650 would be good but I wouldn't go any bigger than a 700CFM.
2007-05-28 13:08:59 · answer #1 · answered by mister ss 7 · 0⤊ 0⤋
I would say a holley 750 cfm spreadbore with vacuum secondaries on that setup. But it may be best to contact the cam manufacturer and give them the specs on your engine. They are the ones that built the cam with the specific lift and duration, and it would be designed for use in a 350 with a certain amount of compression, certain intake, certain heads, etc. Basically it's a formula, and they would simply plug in the information available to find the missing data....like carb size and jetting. They will also ask purpose to correctly size the carb for your rpm range, given that the cam has a wide powerband.
2007-05-28 11:27:46 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Spreadbore 650
2007-05-28 11:24:31 · answer #3 · answered by paul h 7 · 0⤊ 0⤋
Medium- Extra-BIG
2007-05-28 11:23:12 · answer #4 · answered by martinmm 7 · 0⤊ 0⤋
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2016-12-30 04:31:24 · answer #5 · answered by harpal 3 · 0⤊ 0⤋
650 cmf should be about right for your combo.
2007-05-28 11:20:45 · answer #6 · answered by mad_mav70 6 · 0⤊ 0⤋