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C/K rear tire clearance

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  • #16
    FWIW, when we get into the larger size tires, the 15"s aren't all the same section width, regardless of what they say on the sidewall. The 8" rims are OK. Some 275s are OK and some aren't. I'm running 16"x8" and none of the 275"s I've tried will fit without rubbing on hard cornering. This is after careful centering of the rear axle, stiffer springs and shocks. Maybe a rear anti-roll bar would help

    thnx, jack vines

    PackardV8
    PackardV8

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    • #17
      With the 295's it was within 1/2" of the spring and you could not get your fingers between the inner fender well and tire. It would rub on the fender with a load or more than one person in the car. And on turns drive like a cop is watching.

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      • #18
        Hey Flashback...are you reading this post?? Looked in your previous posts but can't find a photo of your car with the Vette rims on the rear, could only find side view shot of what looks like a centerline or weld type wheel with a slick on it. Could you post or repost some photos on this thread with the vette wheels?? What are you running for front tire size? Thanks, Junior.



        54 Champ C5 Hamilton car.
        sigpic
        1954 C5 Hamilton car.

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        • #19
          As a matter of fact, I was just going to do a little tech
          on the rear end today, and my camera was dead. I am in the
          process of puttin another rear end (disc brake) under my 53,
          and a drum brake under my 55. I will try and get some photo's
          and specs tomorrow. I have a couple of old one's til I can do
          better.


          This one shows the wheel and the rear end, although not very good.



          This one is also not very good.

          Tex in Alabama


          The rear end is S-10. The wheels are code AZ Corvette. They have a
          backspacing of 4" and front spacing is 5". They are 8" wheels. The
          S-10 rear end is 54 1/2" wide. It's 4" narrower than the Studebaker.
          I am using Ford or Mopar 6 or 6 1/2" steel on front, with 215x70r15
          tires. O, the rear tires are 255x60. All tires are Firestone Indy 500

          Here's the 5" Studebaker wheel and the 8" Corvette wheel, 6" and 9"
          overall. Backspacing is measured to lip, not wheel width.







          Backspacing on Studebaker. Corvette is 4"



          You can see here, the spring clearance, on the Studebaker rear end.
          With the 8" wheel and the S-10 rear end it goes down to 1/2", and
          the fender clearance is about 1 to 1 1/2" at rest with 2" lowering.


          The S-10 rear end is from 2-wheel drive only. 4WD is too wide.














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          • #20
            Raly12, Is the Harley an XR 750? Steve

            STOLEN Studebaker!Ventura County ad says contact
            Barry @ 805-218-3658

            http://losangeles.craigslist.org/lac...544229962.html
            sigpic

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            • #21
              Yup

              '53 Commander
              Art Morrison chassis
              LS6 ASA/4L60E
              '53 Commander
              Art Morrison chassis
              LS6 ASA/4L60E

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              • #22
                I'm using 265-50-15s on the back of my 54. They're about 10 1/2 inches wide. I have plenty of clearance. They're mounted on 8" rims currently, but I used to have them on 10" rims. The 54 is running a narrowed Ford 9" rear. I had it narrowed specifically for the use of the 10" rims with the wide tires. A couple of things I did to maximize the rear tire width: I used neoprene bushings in the rear. ( Use a pack of Jeep rear bushings. Each eye used one and a half Jeep bushings. ) Then use a few washers to push the leaf springs inboard as much as 1/4 inch. The neoprene bushings help the rear springs to stay square to the body a bit better anyway. Next little trick was to roll the inner fender lip. Being a CASO, an old baseball bat was used against the tire while rolling the car forward and back a few times. That gives another 1/2 inch. Even with the 10 1/2 inch tires in the rear, I've still got 1 1/2 inches of clearance to the leaf springs. I could go as wide as 295s and be good.

                sals54
                sals54

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                • #23
                  Without rolling the fender lip, 295's are tough to make work. The difficulty is the choice between the right wheel width (and right backspacing) for the wheel/tire combo and the fairly narrow wheelwells for this size. I have all the clearance in the world from a spring perspective (inboard coilovers) but the inner wheelwell is still the limiting factor. So unless you roll the lip and/or tub it, 295's really aren't a great choice given the potential for moving around within the well, and that's with an axle that is really well located.

                  '53 Commander
                  Art Morrison chassis
                  LS6 ASA/4L60E
                  '53 Commander
                  Art Morrison chassis
                  LS6 ASA/4L60E

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                  • #24
                    quote:Originally posted by ralt12

                    Yup

                    '53 Commander
                    Art Morrison chassis
                    LS6 ASA/4L60E

                    I would love to get pics and info on it one day. Those have a special place in my heart. Steve

                    STOLEN Studebaker!Ventura County ad says contact
                    Barry @ 805-218-3658

                    http://losangeles.craigslist.org/lac...544229962.html
                    sigpic

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