LS1 Based Engine Tech LS1 / LS6 / LS2 / LS3 / LS7 Engine Tech

Stock Compression Ratio???

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Old

Jun 4, 2003 | 05:19 PM

#1

ABeasst

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Registered User

Joined: Nov 2002

Posts: 114

From: Raleigh, NC

Stock Compression Ratio???

What is the stock compression ratio for a LS1(99).

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Old

Jun 4, 2003 | 05:35 PM

#2

RS Dragster

Registered User

Joined: Jan 2001

Posts: 775

From: Alexandria, VA

Around 10.5:1 I believe (might be 10.3

)

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Old

Jun 4, 2003 | 05:44 PM

#3

Aklaim

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Joined: Jan 2003

Posts: 602

From: San Jose, Ca

10.1:1

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Old

Jun 4, 2003 | 06:49 PM

#4

PhantomTA

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Joined: May 1999

Posts: 2,881

From: Chelsea, MI

Quote:

Originally posted by Aklaim
10.1:1

Ding Ding!

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Old

Jun 4, 2003 | 07:57 PM

#5

LS1999PewterZ

Registered User

Joined: Jan 2003

Posts: 83

Compression Ratio on a stock LS1 is 10.1:1 and on a stock LS6 motor it is 10.5:1

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Old

Jun 5, 2003 | 09:18 AM

#6

Capn Pete

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Joined: Jan 2002

Posts: 5,308

From: Oshawa - Home of the 5th-gen

I always thought they were 10.2:1, but this site says 10.25??

(link requires Adobe Acrobat)

Last edited by Capn Pete; Jun 5, 2003 at 09:21 AM.

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