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New rims

Old Jun 10, 2016 | 11:38 AM
  #1  
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New rims

I just got new 15" SS1 rims and mounted 255-60 15s on them... they are going to rub like hell if I try driving it with them on the front.
So I got 245-60 15s for the front. I forgot to take a pic with the smaller front tires.
Old Jun 10, 2016 | 12:12 PM
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I had 255/60/15's all the way around on a 1970 Cutlass with no rubbing issues. What are they hitting on?
Old Jun 10, 2016 | 12:16 PM
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Originally Posted by johncj5
I just got new 15" SS1 rims and mounted 255-60 15s on them... they are going to rub like hell if I try driving it with them on the front.
So I got 245-60 15s for the front. I forgot to take a pic with the smaller front tires.
I've got 255/60-15s on the factory wheels at all four corners of my 69 H/O, with only minor rubbing if you hit a bump with the wheels turned all the way. What's the offset on your SSIs?
Old Jun 10, 2016 | 04:14 PM
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Maybe try new shocks and springs for a big block for the 69.
Old Jun 10, 2016 | 08:38 PM
  #5  
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They have a 4.5" offset, there was only 1/2" between the tire and fender/wheel well.
I want to put heavier springs in it anyway to keep the headers from hitting on good bumps.
Old Jun 11, 2016 | 06:25 AM
  #6  
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Originally Posted by johncj5
They have a 4.5" offset, there was only 1/2" between the tire and fender/wheel well.
I want to put heavier springs in it anyway to keep the headers from hitting on good bumps.
Offset is the dimension that the wheel mounting surface is offset from the centerline of the wheel. Typically it is zero for RWD GM cars. I suspect you mean 4.5" of BACKSPACING. Unfortunately, without knowing the width of the wheel, backspacing alone doesn't provide enough info.

Old Jun 11, 2016 | 10:36 AM
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Yea, backspace... 4.5" on an 8" rim.
Old Jun 11, 2016 | 11:08 AM
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Originally Posted by johncj5
Yea, backspace... 4.5" on an 8" rim.
Well, that's just about zero offset. Mine were 7" wide. Are you sure the camber is adjusted properly? With those spacers you have, the upper ball joints might be too far outboard, causing clearance issues.
Old Jun 12, 2016 | 08:15 AM
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I'm going to take it for an alignment, it looks like negative camber with the top of the tire tipped in, I think I'm going to get some new springs first.
Old Jun 12, 2016 | 02:49 PM
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The 8" wide wheel is part of the issue. Mine were in stock 7" wide wheels with no rubbing issues.
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