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Old 07-20-2008, 08:56 PM
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carb selection for a chevy 355 small block

I just bought a chevy 355 small block, it has a edlebrock Performer intake, small comp 260 cam, currently it has stock 881 casting 1.94 heads which I plan on upgrading to new heads with 2.02 valves but my question is which carb to go with. The car is going to be street driven and cruised, not drag raced, I want to have as good as possible reliability and driveability. The only other possible future upgrade would be a larger cam to give it a muscle car rough idle. Q-jet, Holley, Edelbrock, Demon, which would work the best for my combination? I would like to end up with something around 400 hp and 400 torque if possible. Any replies would be great. Thanks Dan

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Old 07-20-2008, 09:02 PM
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For the combo you have now, throw a Quadrajet on it, tune it and forget it.
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Old 07-21-2008, 04:33 AM
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650 CFM holley
thats about as big as you wanna go.
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Old 07-21-2008, 05:55 AM
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The 670 Holley Street Avenger worked well for me on a similar engine combo to what you're planning on building. It'd also be decent on the combo you're running now. Very reliable and streetable. Whatever carb you decide on vacuum secondaries and an electric choke will go a long way towards making it pleasant to drive. I agree that 650 is about as big a carb as you'd want on a street engine that size. A quadrajet can be a decent carb, but the first thing we used to do when building up a GM product was take off the Quadrajet and put on a Holley or Carter AFB. I don't recall anyone ever regretting taking off the quadrajet.
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