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Thread: Tire Size

  1. #1

    Default Tire Size

    I have a 2008 2500HD Z71 4x4 crew cab. I want to put bigger tires than the 265/70R17 that came stock on thr truck. I also want to tighten the tortion bars in order to level out the truck. If i do that what size tires will be able to fit and not have a rubbing problem? The shop said that 305/65R17's will fit and not rub but a friend of mine has a 2006 2500HD and he had to tighten his ortion bars up all the way to where the front is higher than the rear and says they still rub in tight turns in rough terrain. I want to level out the truck and put the max size tire on it that i can with out having that problem. If anyone has any info please let me know. I dont wan to go spend alot of money on tires and tightening up my tortion bars and have the tires rub because they are to big. Thanks!

  2. #2
    Jr. Mechanic Chevyman224's Avatar
    Join Date
    Mar 2009
    Thibodaux, Louisiana


    i wouldnt tighten your torsion bars anymore than they are now. It can make for a very harsh ride. I would get the leveling keys. Here are a few name brands you could get them from: Readylift, Rough country, tough country etc. It should level out your truck without effecting the ride as much. Tire size you should be able to put some 295/70/17's.

    2005 Chevy 2500hd 4x4
    5% tint all the way aroung
    325/60/18 Toyo Open Country At's
    18in kmc xd monster series
    Dual Flowmasters
    Rough Country leveling kit

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