Measuring wheel studs. - Team Camaro Tech
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post #1 of 10 (permalink) Old Mar 19th, 13, 08:56 AM Thread Starter
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steve
 
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Measuring wheel studs.

This may be a stupid question and I never had a problem ordering wheel studs before but I just had my 2nd set come in wrong.
I know you can mesure the knerl size with a wrench but forgot how and can not seem to find the info chart.
Does anyone have the american standard wrench to knerl size chart?
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post #2 of 10 (permalink) Old Mar 19th, 13, 02:39 PM
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Re: Measuring wheel studs.

I think you're best off measuring the knurl with a caliper. You might get lucky and find an open end wrench that works, but more likely than not you'll have something that's a tweener. I have this el cheapo HF digital caliper on my pegboard and I use it all of the time for stuff like that - http://www.harborfreight.com/6-inch-...per-93293.html


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post #3 of 10 (permalink) Old Mar 19th, 13, 02:45 PM
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Re: Measuring wheel studs.

7/16 x 20 is the thread size and I know .480 was tight.

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post #4 of 10 (permalink) Old Mar 19th, 13, 04:43 PM Thread Starter
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Re: Measuring wheel studs.

Thanks,
I tryed .486 but they were too small.
I need to oder the correct studs tonight.
The front is a 69 drum hub and the rear is a 73 nova .
Every place I check has 3 different sizes, but what is confusing is I quess every bolt company measures different.
I am going with 1/2 "x 20 ARP .
I am thinking of just going with screw in, but I am not shure how hard the thick steel is to drill and tap.
I have a good kit but do not feel like breaking taps and bits trying.
Its not a race car but I figure if Im going to chang them do it now.
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post #5 of 10 (permalink) Old Mar 19th, 13, 04:58 PM
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Re: Measuring wheel studs.

They are probably 7/16 fine threads with a knurl of a larger diameter. If you carry one to your local auto parts store they can probably measure it for you.

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post #6 of 10 (permalink) Old Mar 19th, 13, 05:31 PM
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Re: Measuring wheel studs.

Drill and tap is going to be a pain to keep them straight.

Take an old one that fits and go to the parts counter and ask to see their Doorman box for studs. They should have a good selection.

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #7 of 10 (permalink) Old Mar 20th, 13, 06:18 AM
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Re: Measuring wheel studs.

Quote:
Originally Posted by DOUG G View Post
Drill and tap is going to be a pain to keep them straight.

Take an old one that fits and go to the parts counter and ask to see their Doorman box for studs. They should have a good selection.
Moroso or ARP studs, they seem to fit tighter. The shank serrations seem to be deeper.

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post #8 of 10 (permalink) Old Mar 20th, 13, 06:24 AM
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Re: Measuring wheel studs.

Dorman had a illustrated book when I was in auto parts. and a listing by size. I always went that way when I needed one different then stock. Good Luck finding one of those books today.

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post #9 of 10 (permalink) Old Mar 21st, 13, 06:44 AM Thread Starter
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Re: Measuring wheel studs.

After driving my hub around all day I found a parts store who had a measuring gauge who knew how to work it and cared enough measured it at .566 .
I just orderd 10 .568 arp . now I hope the rears are the same as the front.
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post #10 of 10 (permalink) Old Mar 21st, 13, 02:18 PM
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Re: Measuring wheel studs.

.566 ???? not stock for sure. Thats over 1/2" Whats these in again ?

68 Camaro~LSx ~all motor
1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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