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Gemp · 03-23-2010, 11:16 PM

I would bet their 3.42's....It should be on the glove box door. My Burban has them. It revs around 1500 at 55-60 with 33's.

03-23-2010, 11:16 PM	#4
Gemp Registered User Join Date: Jan 2009 Location: Cleveland,Ohio Posts: 262	Re: Matching tire size to gearing/drivetrain? I would bet their 3.42's....It should be on the glove box door. My Burban has them. It revs around 1500 at 55-60 with 33's. __________________ 06' GMC 1500 Crew cab.....