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Max boost?

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Old May 16, 2006 | 12:14 AM
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Default Max boost?

Just want to know how much boost can be safley run this setup:

*357ci - Aftermarket main caps - 8:1 compression- forged internals
*F1 Procharger
*Aluminum heads w/ cometic head gaskets
*Roller cam 240-250 580-600 112 lsa
*OBX Air to Air intercooler 28x12x4
*Timing locked at 28*

I just ordered a 18# pulley from procharger whom tells me on 93 octane i'll be fine. Well after consulting with "the carb shop" I was told that my engine with out race gas would go "boom"
Any insight will be greatly appreciated
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Old May 16, 2006 | 12:18 AM
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I think you can get away with that much boost on that C/R, but you will have to drop the timing alot or at least run Alky. 28 degrees with that much boost is asking for trouble even if you are running 8.1 C/R only.

Good luck
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Old May 16, 2006 | 10:44 AM
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What kind of timing should i be running? Should i hook up my btm to pull timing?
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Old May 16, 2006 | 10:49 AM
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SBC, LT1, LS1?
Intake?
What do your heads flow?
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Old May 16, 2006 | 08:36 PM
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Originally Posted by Pro Stock John
SBC, LT1, LS1?
Intake?
What do your heads flow?
Sbc - blow thru - victor jr intake - Head flow ?? dunno 200cc canfields
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Old Jun 1, 2006 | 10:12 PM
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bump*
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Old Jun 2, 2006 | 04:40 AM
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The very best thing you can do is to tune your car on a chassis dyno, with a wide band hooked up to it. Make dyno runs at wot with 4000 rpm as the limit for the first run, then go up in increments, making sure the air/fuel is safe and you don't see any spark knock. Bob
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