67 GTO wheel stud size - Pontiac GTO Forum
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post #1 of 4 (permalink) Old 05-05-2016, 04:39 PM Thread Starter
 
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67 GTO wheel stud size

I have a 67 GTO disc brake front that I just added 17 in American racing wheels to. The wheel and tire combo fit fine however the studs appear to be to short I only seem to be grabbing a couple of threads on both the front and rears any idea of where I can get longer studs. its an original brake setup
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post #2 of 4 (permalink) Old 05-06-2016, 07:57 AM
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According to my NAPA PROLINK

Front:
Wheel Bolt Knurl Dia. : 0.564"
Wheel Bolt Shoulder Length : 0.375"
Wheel Bolt Thread Size : 7/16-20
Wheel Bolt Threads : Right Hand

Rear:
Wheel Bolt Knurl Dia. : 0.472"
Wheel Bolt Shoulder Length : 0.34375"
Wheel Bolt Thread Size : 7/16-20
Wheel Bolt Threads : Right Hand

Doesn't really say how long they are, I would pound one out and take it in to a parts store and get one longer and test it out. Maybe spray something on the inside of the nut so you can see how far down the stud it's going.
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post #3 of 4 (permalink) Old 03-25-2017, 07:28 PM
 
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Originally Posted by CT67GTO View Post
I have a 67 GTO disc brake front that I just added 17 in American racing wheels to. The wheel and tire combo fit fine however the studs appear to be to short I only seem to be grabbing a couple of threads on both the front and rears any idea of where I can get longer studs. its an original brake setup
What is the wheel & tire combo you mounted?
What did you end up doing with the studs?
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post #4 of 4 (permalink) Old 03-28-2017, 06:00 PM
 
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You may want to go to Summit or Jegs and order longer "race" studs. Check out the Moser studs. Measure your studs overall length and then see what Summit has in order to get the length you need. https://www.summitracing.com/search/...1&N=4294915045
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Wheels & Tires

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