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- - Which engine (https://www.performancetrucks.net/forums/internal-engine-modifications-158/engine-407749/)

old motorhead

12-20-2007 07:03 PM

Which engine

Just bought a 6.0L engine out of an '04 2500HD chevy. Which version is it and what is the compression ratio? I know this has been answered a time or two, but I can't find it. TIA

03sierraslt

12-20-2007 07:05 PM

LQ4- 9.4-1 Compression Ratio

Mort	12-20-2007 07:06 PM

Should be a LQ4 with approximately 9.4:1. If you have the serial # the 8th digit will be a U.

wastedrubber

12-20-2007 07:20 PM

03 sierra by one minute.

03sierraslt

12-21-2007 05:00 AM

Quote:

Originally Posted by wastedrubber (Post 3804316)

03 sierra by one minute.

What do I win Alex?

ZZebes

12-21-2007 09:38 AM

anyone know what the piston dish is on an LQ4

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