Stock compression for an LS1?

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Jan 24, 2019 | 09:18 PM

curtisad

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From: Jefferson Ga

Stock compression for an LS1?

Do any of you guys know what the stock compression is on a 98 Camaro Z28 LS1? I had the stock heads ported and decked a little bit, but I was wondering what it was stock?

Jan 24, 2019 | 09:50 PM

JakeFusion

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From: Pace, FL

GM claims 10.1:1.

But even with a .060" gasket, it's 10.3:1...

Jan 24, 2019 | 10:09 PM

G Atsma

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From: Central Cal.

Quote:

Originally Posted by JakeFusion

GM claims 10.1:1.

But even with a .060" gasket, it's 10.3:1...

Just making sure you got your money's worth....

Jan 26, 2019 | 11:40 PM

A.R. Shale Targa

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From: Fredonia,WI

10.19:1 at operating temperature
10.3 would be at room temperature on an engine stand
deck grows eight. Comp drops

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