need a little insight on wheels and tires

Discussion in 'Wheels and Tires' started by tmingle422, Jul 11, 2019.

  1. tmingle422

    tmingle422 Member

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    Getting ready to purchase wheels and tires. I would like to run a 15 x 9 or 15 x 10 275 /60/15 or 28 10.5 15 . I am not crazy about putting that wide of a tire on a 8 inch wheel.

    I have calvert racing split mono leafs +1 inch ..... 9 inch 57.50 wide about 1/2 inch wider on each side than stock . I have trimmed and rolled fender lips and removed the snubber inside wheel well. The car will be a street /strip 500 to 600 hp windsor /C4 powered .My thought is if 15 x 8 with 4 inches of backspacing with a stock 56.5 wide rear end works , then a 9 or a 10 inch wheel with 4.5 inches of backspacing should be fine, I tried the plastic wheels and tire simulator and it should be fine. Dose anyone have this set up or something similar. I would like to buy the wheels once . I sure you guys are getting tired of answering these type of question, but any help would be very helpful.
     
  2. Xplane

    Xplane Member

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    I am running 15x10” wheels w/4.5” bs. Will measure flange to flange on the 8.8 in the car. Car currently has 10.5x28 slicks, but will be mounting 275/60-15 Hoosier drag radials tomorrow, which have slightly less section width. Very tight fit with that tire, same leafs you are running, fender lip rolled, and snubber trimmed back.
     
  3. 71gold

    71gold Frank Cooper Supporting Member

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    I ran 275 /60/15 on 8" rims with a stock 8" rearend...no fender roll no rubbing on stock leaf springs.
     
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  4. BBMS18

    BBMS18 Member

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    Do you by chance remember what back spacing on the 8” wheels?
     
  5. 71gold

    71gold Frank Cooper Supporting Member

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  6. Crazy Larry

    Crazy Larry Member

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    I'd run at least a 9 inch rim with a 275 tire.
    It will be a challenge to get the backspace in the sweet spot between rubbing leafspring/frame rail, and the body. You will want at least a 4", and maybe 3-3/4" backspace.
     
  7. 71gold

    71gold Frank Cooper Supporting Member

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    Mike had 10" on his mav with rolled fenders and suggested the 8" for mine. the 8" sucked the sidewall in and stood the tire up straighter... worked for me.
     
  8. Xplane

    Xplane Member

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    The car tends to be more stable at high speed with a wide rim and low pressure on drag tires.
     
  9. 71gold

    71gold Frank Cooper Supporting Member

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    has a need for...mini tubs...go big...:thumbs2:
     
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  10. Xplane

    Xplane Member

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    10” wheel on 275/60 drag radial or slick basically has the bead and tread inline with one another.
     
  11. 71gold

    71gold Frank Cooper Supporting Member

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    the Futura GLS Super Sport 275x60x15 does the same on an 8" rim.
     
  12. Crazy Larry

    Crazy Larry Member

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    Every 275 I've ever seen on an 8-inch rim had the sidewalls sucked in. Should really go with the rim width that the tire manufacturer recommends for the size of the tire.
     
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  13. BBMS18

    BBMS18 Member

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    Last edited: Jul 15, 2019
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  14. Crazy Larry

    Crazy Larry Member

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    Okay, and like I said, the sidewalls will suck in on a 8 inch rim, which is why I suggested 9 inch.
    You gotta do what makes you happy though.
     
  15. skin

    skin Registered User

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    So I’ve got a 9” in the Maverick bolted to the original leaf springs however, the rear was cut just enough fit in place. I can measure tomorrow if needed. I am running MT Sportsman SR 28x12x15 with an ET Fueler 15x10 with a 4 3/4 bs. Got about 1/4” to play to the leaf bracket and haven’t had any problems yet.
     

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