Radials on a Stepdown

50C8DAN
50C8DAN Senior Contributor
edited November -1 in HUDSON
What is the largest 15 in. radial you can run safely on a stepdown, using orignal rims.

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  • super651
    super651 Senior Contributor
    50C8DAN wrote:
    What is the largest 15 in. radial you can run safely on a stepdown, using orignal rims.

    I have been using P-225 R-70-15 ON MY 51 Super-6 for the past 15 years and they are about all that will fit on the rear. ( will drag the inner well a little when jacked up all the way when removing from the brake drum) They also fit the Hudson Rims . R.B.
  • rambos_ride
    rambos_ride Senior Contributor
    I was told 235 75 R15 on the stock rims is the widest you can go.

    I was originally planning on using the stock rims on my Hudson
    1. To Keep it as "Hudson" as possible even though it's a custom
    2. Save some friggin money!
    But, my original wheels are riveted construction not welded. For mamby-pamby-grocery-getting-driving this would be fine.

    Since mine is going to be a daily driver and will be going for some long haul drives as well my thinking is that the extra flex that a radial tire would have may not hold up. I think I'll now go with some welded steel wheels from a later model car that will still fit within the stock confines and at least hold a 235-75



    - although I've been thinking of
  • Unknown
    Unknown
    I have 225-15s on mine and that about all the larger I can get in and out of the rear wheel wells
  • TwinH
    TwinH Senior Contributor
    235-75R15 Coker Classics on my 49 C8. Fit fine with no issues. But then

    I haven't had to pull one off the rear yet. But I think if there that tight

    there would be some signs of scratches on the inside of the rim and there

    are none.



    043dd9cf.jpg3bf4badd.jpg
  • dwardo99
    dwardo99 Expert Adviser
    What fits is different from what is easy to change on the road. We run P-225 R-70-15 on both of ours and they fit fine but they are a real pain in the a** to remove in any situation where you can't raise the car well off the ground. Like might be the case with a bumper jack. I'd go a little skinnier if I had to do it over.
  • Uncle Josh
    Uncle Josh Senior Contributor
    I'm running 215-75 R 15s on the 49 Commadore which are the replacement size for the original 710s They look and handle great.



    I even used take-off blackwalls and painted them with Latex house paint. People don't know unless I tell em, and I saved a bundle.

    http://groups.msn.com/HudsonEssexTerraplaneBulletinBoard/unclejoshshudsons.msnw?action=ShowPhoto&PhotoID=2644



    The replacement for the 760s are 225-75 R15
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