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08-27-2016, 08:01 AM | #1 |
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Location: Helena, AL
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Wheel Stud Question... please help
I have a McGaughy's brake kit I'm putting on my '60 C10. It's the kit for the 63-70. Came with the 7/16 studs and 5 x 4 3/4 bolt pattern. I need to change that out and go with 1/2 studs and the 5 x 5 bolt pattern.
I can't seem to find out what size knurl diameter I need for the 1/2 studs. I know I need 1/2-20 studs, but there are many knurl diameters. I measured the bolt hole and the closest I found to fit is a dormant with a .536 in knurl. Does anyone know if these are the correct ones? I reached out to McGaughy's but they were not able to tell me the size studs they run in the 5 x 5 bolt pattern (other than 1/2"). Any help would be greatly appreciated! Thanks, Heath |
08-27-2016, 09:02 AM | #2 |
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Re: Wheel Stud Question... please help
I took one of the studs with me to O'Rielly's and looked thru their stash till I found the right diameter.
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08-27-2016, 09:03 AM | #3 |
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Re: Wheel Stud Question... please help
Changing the studs to 1/2 inch will still leave you with a 4 3/4 bolt pattern. Only way to get a 5 inch is by redrilling the rotors. Then you can use whatever knurl size you want.
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08-27-2016, 11:29 AM | #4 | |
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Re: Wheel Stud Question... please help
Quote:
I don't have any of the 1/2 studs to take with me to compare the size. Only the 7/16 that came with the hub. |
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08-27-2016, 02:38 PM | #5 |
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Re: Wheel Stud Question... please help
Have you tried one 7/16" stud in a 1/2" stud hole? If it fits you'll know what knurl size you need.
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08-27-2016, 03:57 PM | #6 |
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Re: Wheel Stud Question... please help
7/16" stud's knurl diameter is too small for the 1/2" stud hole
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08-27-2016, 04:10 PM | #7 |
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Re: Wheel Stud Question... please help
Go shopping. Buy one that's close to your measurement. You'll likely need to experiment a bit.
Sometimes you need to spend 5 bucks to save a hundred. Sorry I can't be more help! But, do you have a part number for the rotors? |
08-27-2016, 04:35 PM | #8 |
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Re: Wheel Stud Question... please help
That's the plan. I have some that I believe will work. I just wanted to check on the forum in case someone had the exact measurements. Thanks
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08-27-2016, 10:43 PM | #9 |
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Re: Wheel Stud Question... please help
FYI, posting the same question in two different forums is against forum rules. Please refrain from doing this. Thanks.
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08-28-2016, 08:13 AM | #10 |
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Re: Wheel Stud Question... please help
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