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Old 11-10-2012, 09:32 PM
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GMLC GMLC is offline
LawnSite Platinum Member
Join Date: Jun 2010
Location: New Hampshire
Posts: 4,355
I was a GM tech for 12 years. The 8.1 is a good engine, bad on gas but it has a ton of power. No real problems with It and much more reliable than the duramax. The only update I remember was an updated PCV valve for oil usage. Yours has probably already been updated.

Nice truck!!
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