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To much carb?

B

BADBIRD

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I have a pontiac 350 that has been bored 60 over and has a edlebrock performer intake, and a mild cam. The car has a holly 750 on it I was wondering if I would be better with a 600-650?
 
which holley 750? a double pumper or vaccuum secondary? If a double pumper it's too much, vacuum secondary you can change the spring.
 
I would say it's on the large size and you would get better performance going to a 650 or so with vacuum secondaries. Do you have an automatic or manual and what are the rear end gears?
 
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