C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Mar 6, 2004 | 06:18 PM
  #1  
John D.'s Avatar
John D.
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Default Wheels

Picked up a set of old Western tubine mag wheels with nice corvette spinners.
Wheels are 15x8.5 and have 235/60/R15 tires on them.
Has anyone had this wheel size and tire size on their C3. Mineis a 71 that I would like to use these on?
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Old Mar 6, 2004 | 07:59 PM
  #2  
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Glensgages
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From: State of Confusion
Default Re: Wheels (John D.)

John D. :
A majority of the later C3s, equipped with aluminum wheels (option #N90) which are 15" x 8", came with 255/60R15 tires.
I would check & compare the back-spacing...
:thumbs:
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Old Mar 6, 2004 | 10:27 PM
  #3  
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John D.
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From: Lyons IL
Default Re: Wheels (Glensgages)

How do you check backspacing on the wheel?
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Old Mar 7, 2004 | 09:10 AM
  #4  
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From: State of Confusion
Default Re: Wheels (John D.)

How do you check backspacing on the wheel?
Lay wheel out-side surface down;
lay a straight-edge across the wheel;
measure depth to flange the 'seats' against hub...

If both back-spacings are identical, the extra .5" of the aftermarket wheels MUST be 'out-board', meaning no 'inside' clearence problems (fronts lock-to-lock: rears rubbing trailing arms) IF you will use the same size tire.
The only place left to concern yourself is the OUTER-edge of the tire, possibly if the car 'squats' under acceleration...
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Old Mar 7, 2004 | 10:21 AM
  #5  
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Paul L
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From: Ontario
Default Re: Wheels (John D.)

Brings back memories. The wheels will fit.

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Old Mar 7, 2004 | 06:33 PM
  #6  
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John D.
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From: Lyons IL
Default Re: Wheels (paul67)

Thanks mine are very similiar to the ones in the picture.
My original rallys are 4.25 backspacing and the Westerns are 4".00 so the extra 1/2" is going outward. I will just mount one tire and check all outward clearances. Thanks for getting back to me. :hurray: :thumbs:
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Old Mar 7, 2004 | 07:16 PM
  #7  
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From: Ontario
Default Re: Wheels (John D.)

No problem. That was a long time ago but I really liked those wheels.

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