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LH6 vs LY5

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Old 06-28-2012, 12:56 PM
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Default LH6 vs LY5
Besides the block material, is there a difference in the motors? Specifically, the camshafts?
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Old 06-28-2012, 06:03 PM
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NO. According to GM Vortec engine - Wikipedia, the free encyclopedia

"The LH6 with Active Fuel Management replaced the LM4 for 2005, and was the first of the Generation IV small block V8 truck engines to go into production. It is the aluminum block counterpart to the LY5."
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Old 07-01-2012, 08:35 AM
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only the block is iron LY5
Last edited by sand man; 07-01-2012 at 08:53 AM.
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