compression?

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Sep 16, 2008 | 09:54 PM

hawk584

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From: earth

compression?

what compression should i run if i deside to sell the turbo and go all motor? i have a forged 385LT1 currently running 9to1

Sep 16, 2008 | 10:18 PM

NSTIGATR

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you wanna run pump gas or race??? this gonna be a DD or weekend warrior??

Sep 17, 2008 | 07:57 AM

BlackScreaminMachine

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From: Wallingford CT

as far a mechanical comp, 11.25 to 1 wasnt an issue for me. LT4 Hotcam, CNC ported heads, LT1 casting, stock sized valves, 6" rods.

Sep 17, 2008 | 07:59 AM

NicksTAgt

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I would go in the 11:1 range if you are planning on driving it alot, more if its just a toy.

Sep 17, 2008 | 07:59 AM

transamws6_97

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pretty sure i've seen setups of guys running 13:1 with pump gas

Sep 17, 2008 | 08:44 AM

slomarao

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11.6.1 or 11.8.1 , Just under 12.1 is what i would do.

All the extra hassle with 12.1+ isnt worth the extra 5-10hp. Plus it makes tuning the car a total bitch.

Sep 17, 2008 | 08:50 AM

hawk584

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From: earth

DD on 91oct.

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Sep 17, 2008 | 12:35 PM

z28rob18

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From: hamilton nj

wit pump gas i wouldnt go over 11:1

Sep 17, 2008 | 02:22 PM

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connexion2005

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I'm currently running 12:1 on 93 octane and the knock is minimal. I'm getting a slight bit of retard in the mid range and I'm working on tuning it out. Bottom line is static compression is not what you should be looking at but rather dynamic compression is the important one.

I'm running right at 9:1 dynamic compression...