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how BIG??

Discussion in 'Chevy Trucks' started by jrm123180, Dec 16, 2004.

  1. jrm123180

    jrm123180 Senior Member
    Messages: 156

    how big of a tire can I go on my '79 chevy 1/2 ton pickup with out any modification? I like the way it sits, so I really don't want to put a lift kit on it. I've had 32's there before, but I want to go BIG.
     
  2. TLS

    TLS PlowSite.com Addict
    Messages: 1,425

    I had 32x11.50's on my '76

    They only rubbed my running boards in the front fenders on rare occasions.

    Any bigger than that and you need to remove sheet metal.
     
  3. derekbroerse

    derekbroerse 2000 Club Member
    Messages: 2,377

    My old man had 33x12.50x15 BFG All Terrain T/A's on his '77 Jimmy K5 and then on the '85 K15 pickup. Both were stock other than running boards, and I don't recall it rubbing. (I was pretty young when he had the '77, but I remember the '85 very well.).... they were on the stock 8" rally wheels.

    Note though, that these trucks were both brand new through 5 years old at this point, and the suspension hadn't sagged at all yet.
     
  4. TLS

    TLS PlowSite.com Addict
    Messages: 1,425

    That is the key. I had mine on several different offset wheels. Most of your aftermarket wheels have a larger offset, which in turn creates an interference problem.