INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

HD timing chain year change?

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Old Oct 8, 2008 | 08:15 AM
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lsxmalibu's Avatar
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Default HD timing chain year change?

what year did they make the switch over to the HD timing chain, i read it was for 2005, my motor was in a 2005 silverado, but the block date code is early 2004.
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Old Oct 8, 2008 | 08:17 AM
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My may built '04 6L had the flimsy chain, my Novem built 05 6L had a heavy duty chain
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Old Oct 9, 2008 | 07:25 AM
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My block date is Oct 2004
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