tires gmc 2500hd dura/alli

Discussion in 'GM Duramax 6.6 (LB7)' started by savit1, Oct 22, 2005.

  1. savit1

    savit1 Member

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    what load range tire and load rating would i need for towing 13000lb 5th wheel trailer with 2300lb kingpin weight, on my 2001 2500hd duramax and allison trans short bed
    thanks sal
     
  2. BadDog

    BadDog TRC Staff Staff Member

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    With that much pin weight and a long heavy 5'er back there, probably a set of high rated "E"s at full inflation pressure with a short side wall would be best. Either going to 17" wheels, or sticking to the factory size. The 17 hummer take-off wheels can be had cheaply and look great on these trucks.

    That's assuming you tow it a fair bit as opposed to rarely towing with a primary/daily driver. Mine RARELY tows anything really heavy, somewhat infrequently (especially in the last year) tows a 15-16k gross load out on a bumper pull, and the vast majority it spends running around as my daily driver. So, I run less than optimal (for towing) 285/75-16s D-rated (basically a taller 33x16 AT as opposed to the roughly 31x16 stock) to lower my rpms at SW internet speeds and also improve (to me) the aesthetics by filling up the wheel well. These tires provide a fantastic balance of compromises for me based on my use and have a higher weight rating than the factory size "E" rated tires. But with a heavy load, the taller and thinner side wall might come into play causing heat or stability problems. I've not really seen it as a problem even with really big loads, but the added safety margine would be welcome if I did it very much. Then I guess I would get the Hummer take-offs and some 33" "E"s.

    BTW, 33" is the biggest you can run without cranking bars and/or making other mods. For 33s, all I had to do is reshape the plastic inner fender a little in one place on the drivers side.

    Hope that helps.
     
  3. sweetk30

    sweetk30 Well-Known Member

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    if you want a good tire with nice stiff side walls and factory sized range try the goodyear ( g ) casings. thay have all steel sidewalls and are stuff ! pricey but no big spongy sway in the truck when you twitch the wheel.
     
  4. Terrain Twister

    Terrain Twister Active Member

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    Go with a 265, load range E. I believe you'll find most of them to have a higher load rating than even the Hummer takeoff's by about a 100 pounds per tire. I run the Bridgestone Revos myself and although some have reported that the sidewall feels a little soft, I love them and will be putting another set on. By the way, truck is a 2500HD C/C, L/B, 4x4 and my pin weight falls in around 2400-2800 depending on how I load it. Trailer weight is around 14,500. Tires are definitely at max pressure when I pull.
     
  5. chevytrucknut

    chevytrucknut Well-Known Member

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    i would go with a 265 / 75 r 16 dunlop radial rover a/ts their a great tire i got 36 thousand out of my last set just put new ones on today waytogo
     
  6. Terrain Twister

    Terrain Twister Active Member

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    Not to burst your bubble, but I got 50K out of the Revo's. The Revo's are not cheap though. The old man could get the same out of his Michelins but he never had the nice even wear I was getting with the Revo's. Just food for thought. Not knocking any tire, just sharing my experience. :)
     
  7. chevytrucknut

    chevytrucknut Well-Known Member

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    My front end went out and wore out my front tires, so i had it aligned and put a new set on. waytogo
     
  8. Terrain Twister

    Terrain Twister Active Member

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    Bummer it didn't happen another 10-15k later.
     
  9. chevytrucknut

    chevytrucknut Well-Known Member

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    yeah but for some reason parts dont go out when you want them too rotfl
     

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