Thread: supercharger for SMC
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03-10-2004 04:06 PM #1
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supercharger for SMC
will a small block chevy running 9:1 compression work with a 250 cid blower or is it to much compression?Keep smiling, it only hurts when you think it does!
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03-10-2004 04:18 PM #2
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Re: supercharger for SMC
I like the 7:1 to 8:1 range better maself'..Originally posted by chevy 37
will a small block chevy running 9:1 compression work with a 250 cid blower or is it to much compression?
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03-10-2004 04:51 PM #3
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Re: supercharger for SMC
Aluminum or iron heads? Who made the heads/pistons? Forged or cast pistons? How much boost pressure you after? Are you going to aftercool it? Got a knock sensing spark retard unit? Target A/F ratio?Originally posted by chevy 37
will a small block chevy running 9:1 compression work with a 250 cid blower or is it to much compression?
Abe
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03-10-2004 04:56 PM #4
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I'd say lower the compression a little, just to be shure you don't blow the top off the engine.You don't know what you've got til it's gone
Matt's 1951 Chevy Fleetline- Driver
1967 Ford Falcon- Sold
1930's styled hand built ratrod project
1974 Volkswagen Super Beetle Wolfsburg Edition- sold
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03-10-2004 05:01 PM #5
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As long as your just gonna use it as a driver, i wouldn't worry about 9:1. I ran a 6-71 on a small block for a few years with 9:1 and never had a problem. It also depends on how tight the rotors are, but I wouldn't worry.Mike Casella
www.1960Belair.com
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In our neighborhood, 2 blocks down the hill was a gas station that (to me) all the cool car guys hung out there. 32 coupes, 33 & 34 Fords as well, a sweet 56 Ford Beach wagon that was setup gasser...
How did you get hooked on cars?