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9r18 update

Posted: Tue Dec 21, 2010 12:11 pm
by gundog
Any need or advantage to update to 9r18 from 9r17 for use on a 2007 Yukon with a 5.3 engine?

RE: 9r18 update

Posted: Tue Dec 21, 2010 12:27 pm
by mikel
Nope...