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    Biggest tires that will fit.

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    79treemaster
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    Post  79treemaster on Mon Sep 02, 2013 6:43 pm

    What is the biggest tire that will fit without the rear being raised up at all without cutting any of the body? I am wanting to use 15" rims only so some width size along with offset size would be helpful as well. Thinking a 15x10 rim with 295x60x15's might fit?
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    Post  GM B-Body Forum on Mon Sep 02, 2013 7:50 pm

    For the most part, you can fit almost any tire size you want, as long as you have the backspacing correct, with a stock gm 10 bolt 7.5, you can get an offset of 4-4.5 inches, if you change rear ends, then it changes the offset. If your keeping the car stock height then id try not to go any bigger than a 30inch diameter tire. So your 295 60 15 should fit no problem with a 4 inch backspace. Im planning on getting either 17s or 18s in an 11inch wide rim, so id be looking at a 335 35 17 or 335 30 18. Ive done multiple measurements and a tire that size would fit.


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    Post  Sweet Seventy9 on Sun Nov 03, 2013 4:34 pm

    10" wide wheels with 5" backspacing and 295/50 tires fit with room to spare.

    Biggest tires that will fit. Mvc-7910
    Biggest tires that will fit. Mvc-7911





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    Post  phil.fen86 on Thu Feb 05, 2015 12:01 am

    so if you have a 8.5 inch rear end will the 5. back spacing work? Or 4 3/4 back spacing to fit 15x10 rims with 295x50?
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    Post  slimwud on Thu May 21, 2020 12:58 am

    I have had a 285/70r15 which is basically 31x11 on a 7.5in rim rubbed slightly on outer wheel well.Biggest tires that will fit. Messag10
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    Post  terry cronk on Sun May 24, 2020 1:34 pm

    10" wide wheels with 5" backspacing and 295/50 tires fit with room to spare.

    And where did you get these from?


    295x50x15 are only 26.8 inches tall.

    I want to mount some wider and 29x11x15 tires.  Street tires.
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    Post  slimwud on Mon May 25, 2020 3:36 pm

    Only two companies make them bf Goodrich silver town and these cheaper galaxy. I ordered them online if u google the size u will find them. I was looking at hot rods and saw one locally that had the bf Goodrich silvertown on and i loved the size.
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    Post  slimwud on Mon May 25, 2020 3:39 pm

    https://www.performanceplustire.com/tires-for-sale/vitour-tires/galaxy-r1-5/ts:285-70-15:ty:Tire/ 

    here is the link 169 per tire. They held up well definitely need a strong rearend to be able to spin both during a burnout. The factory auburn is not up to the task i had to swap in a true track and problem solved

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