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procharger with 11.8:1 cr

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Old 03-06-2011, 11:21 PM
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GREG O.
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Default procharger with 11.8:1 cr

Can a intercooled procharger work with an 11:8 cr forged 383
Old 03-07-2011, 12:26 AM
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95vettski
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Depends on how much boost and what octane fuel you are using. For low boost say 7-9 psi with 93 octane and meth injection-yes! You can also install a thicker gasket to lower your compression
Old 03-07-2011, 01:13 AM
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GREG O.
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Originally Posted by 95vettski
Depends on how much boost and what octane fuel you are using. For low boost say 7-9 psi with 93 octane and meth injection-yes! You can also install a thicker gasket to lower your compression
Yeah, that's what i was thinking....max.9lbs. with meth but probably 7psi...I have a CARTEK STAGE 4 H/C PKG. with a 6.0 alum 383stroker all forged and balanced short blk..and someone might want to buy my vette with the shortblock but it has 11.7:1 cr.....He!L if he could do 7 psi and i have na 500rwhp, he should be around 650 rwhp i would think.
Old 03-07-2011, 06:32 AM
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PowerLabs
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I wouldn't. You might be able to spray enough meth to keep it from detonating if the boost is low but if you run out or have any issues with your Meth kit (common) there won't be a way of pulling enough timing to prevent it from auto igniting and detonating.
Old 03-07-2011, 10:34 AM
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Trade those sweet Cartek heads for a set of lowly 317's. You should come out way ahead on the $. 317's flow about like stock 243's, have bigger combustion chambers, and can be bought dirt cheap. Should lower your c/r about a point (provided Cartek didn't do a bunch of work on the 243 chambers and open them up).
Old 03-07-2011, 10:45 AM
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Originally Posted by GREG O.
Can a intercooled procharger work with an 11:8 cr forged 383
Here, this chart is great reference and should be of assistance..

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