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Old 03-10-2008, 08:41 PM
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lear4406
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Default RE: Engine Build Up

Match the carb the best you can. Too many people go too big on the CFM. Intake choice makes a lot of difference as well as vacuum secodaries or mechanical. Rear end gear and stall converter for an automatic. On a 350 chevy with a mild high lift short duration cam I'd stay around 600-650. Then jet up or down accordingly. Dual plane is best for a mild street use with 3:55 gears or higher. If you go with a wild cam and good heads and single plane with gear 3:91-4:56 and stall of 2800 or better then a 750 CFM works real well. But most cars for the street only need a warm up to allow them to be enjoyed on the street. Myself i try to keep things smooth.