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Which engine

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Old 12-20-2007, 07:03 PM
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Default 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
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Old 12-20-2007, 07:05 PM
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LQ4- 9.4-1 Compression Ratio
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Old 12-20-2007, 07:06 PM
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Should be a LQ4 with approximately 9.4:1. If you have the serial # the 8th digit will be a U.
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Old 12-20-2007, 07:20 PM
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03 sierra by one minute.
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Old 12-21-2007, 05:00 AM
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Originally Posted by wastedrubber
03 sierra by one minute.
What do I win Alex?
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Old 12-21-2007, 09:38 AM
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anyone know what the piston dish is on an LQ4
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