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C4 Corvettes, 1984 - 1996
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LT4 Compression Numbers?

C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

LT4 Compression Numbers?

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Old

Oct 27, 2003 | 11:41 AM

#1

sinc93

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From: Oceanside CA

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LT4 Compression Numbers?

Does anyone know what the factory compression reading is for an LT4 with the stock 330hp cam? I did a compression check on my engine and it is coming in at around 200-205 per cylinder. The engine has about 35000 miles on it. Any numbers would be appreciated. Thanks

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Old

Oct 27, 2003 | 01:34 PM

#2

Micky Davis

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Joined: Mar 1999

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From: Austin Texas

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Re: LT4 Compression Numbers? (sinc93)

http://www.corvetteactioncenter.com/...96/lt1lt4.html

More info than you might have wanted to know.

Have a good'un...............

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Old

Oct 27, 2003 | 01:36 PM

#3

sinc93

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Re: LT4 Compression Numbers? (Micky Davis)

Thanks I'll check that out.

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Old

Oct 27, 2003 | 03:43 PM

#4

GlockLT4

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Joined: Apr 2001

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From: Dallas TX

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Re: LT4 Compression Numbers? (sinc93)

I believe the conversion of 10.8:1 into psi should get you around 210-220psi. I don't remember for sure though. Should be over 200 though.

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