Anyone hear running 11.25:1 or higher on Pump Gas DD?

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Dec 26, 2009 | 07:57 PM

#21

GMCtrk

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From: Dallas

I'm going turbo it's a moot point. I'm looking for some stock 317s to bring my compression back down.

Jan 5, 2010 | 09:28 PM

#22

TurboGibbs

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From: Decatur, AL

More duration bleeds off cyl pressure period.
Tight LSA builds cyl more cyl pressure.

Two main ways to bleed off cyl pressure is increase duration or increase LSA.

I have 11.5:1 on 93 octane and have 40k miles on it as a DD. Specs in the sig.

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