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185/75R15 on a 7" wheel?

Discussion in 'The Hokey Ass Message Board' started by DrEvil, Sep 19, 2012.

  1. DrEvil
    Joined: Apr 15, 2011
    Posts: 25


    I found a nice set of new 185/75R15 M/H Racemasters. They match up well with the pattern of my rears however they call for a 5" wheel. I have a 7" wheel. How bad will they bulge on the sidewall?

    Is there any hope in this aspect ratio to mount to the 7" wheel? I need a little more engine clearance in the front oil pan is a little low.

    Wheel cant change... just purchased new.


  2. mustang6147
    Joined: Feb 26, 2010
    Posts: 1,847

    from Kent, Ohio

    I ran 175 70 r 14s on 6 inch? if that helps
  3. DrEvil
    Joined: Apr 15, 2011
    Posts: 25


    From what I've been reading in the tuner world its not a huge stretch. I was just hoping to get a second opinion before buying tires I can't return.
  4. 49ratfink
    Joined: Feb 8, 2004
    Posts: 18,036

    from California

    I'd check with the tire store.

  5. DrEvil
    Joined: Apr 15, 2011
    Posts: 25


    Already have a support ticket out. Not pressing GO until they give the ok.
  6. Goztrider
    Joined: Feb 17, 2007
    Posts: 3,066

    from Tulsa, OK

    I've seen 205/75/15s run on as much as a 10" wheel before. It's not 100% the most pretty thing in the world, but they did work and handle okay. the only thing was they looked funny due to having the wheel wider than the tire tread.

    All you'll need if they won't easily inflate on a tire machine is a 'Cheetah' tank. I've used one of these and OMG are they amazing for spreading a narrow or tire that's been flattened by storage out on a rim.
  7. gimpyshotrods
    Joined: May 20, 2009
    Posts: 18,012


    It has been done. It will be done again. We've got a '65 Impala and a '66 Impala in the shop, right now, with that setup, on each.

    Go for it. You might have to shop around for tire stores that will do it, though.

    Gonna look like a lowrider.
  8. Dog Dish Deluxe
    Joined: Dec 23, 2011
    Posts: 778

    Dog Dish Deluxe
    from MO.

    I had 5.60's on 8 inch rims on my '50 chevy pickup. the tire shop hated me.
  9. DrEvil
    Joined: Apr 15, 2011
    Posts: 25


    Haha luckily I'll be mounting them at a friends shop so It shouldn't be a huge deal. I'm pretty sure I mounted some 205's on a 10" wheel before... talk about low rider.

    Well, Once I hear back from M&H I'll make up my mind.

    Thanks for the input guys.

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