How are wheel studs measured? - Team Camaro Tech
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post #1 of 7 (permalink) Old May 15th, 07, 07:17 PM Thread Starter
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How are wheel studs measured?

I need longer wheel studs. (don't we all) I'm only engaging 5 threads on a 7/16-20 stud. I could go 1/2" longer with the lugnuts I have. My current studs measure 1.75 overall, 1.50 from the bottom of the heat to the end, and the threads are 1.10" Which measurement do I ask for? Thanks!!


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post #2 of 7 (permalink) Old May 16th, 07, 01:41 AM
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Re: How are wheel studs measured?

I have no idea, but I would hammer one out and take it in with me to pick up the new ones
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post #3 of 7 (permalink) Old May 16th, 07, 02:01 PM
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Re: How are wheel studs measured?

Go to your local parts store and ask to see their "Doorman" stud box and match them up. I think they're .460" knurl and 1 1/8" stock size?

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post #4 of 7 (permalink) Old May 16th, 07, 05:39 PM
 
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Re: How are wheel studs measured?

The later '70's Malibou's have a 1/4" longer stud if you can use them??

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post #5 of 7 (permalink) Old May 16th, 07, 05:45 PM Thread Starter
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Re: How are wheel studs measured?

PDQ - I already have 1/4" longer than stock - still too short.


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post #6 of 7 (permalink) Old May 16th, 07, 05:47 PM
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Re: How are wheel studs measured?

I replaced all studs on my 69 Camaro drum rear end, I used 610-186 Dorman studs, bought them new from Oreilly Auto Parts for $1.29/each. These are the studs that have 1 1/8th" of thread though, sounds like you want it longer, you can get 6/8" longer using 610-157 Overlength Replacement For 610-186


DORMAN/AUTOGRADE - Rear Right Hand Thread Wheel Stud
Item No: 610-186
Type: Serrated Stud
Thread: 7/16-20
Knurl Dia.: .472"
Length: 1-1/2"
Shoulder Length: 11/32"

1969 Camaro - GM 2003 Electron Blue
Beck Racing 383 cu in 465HP Engine - Sean Murphy Inductions Stage 2 Quadrajet
TCI Streetfighter 350 - 3.73:1 Posi 10 Bolt Rear - 12.6 sec qtr mile

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post #7 of 7 (permalink) Old May 16th, 07, 07:03 PM Thread Starter
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Re: How are wheel studs measured?

Thanks, Brian. I looked into the Dorman 610-157 - it's the length I need. Their website says it's a replacement for the 610-186, but the website lists the knurl at .487. I called a local auto parts store and asked them to measure the knurl on one, and they came up with .485. That's quite a bit bigger than the .472 knurl on the the 610-186.

I ordered a set of NAPA #641-1268. The list the knurl on those at .480. Hopefully I can get them to work. The knurl on the ones I'm replacing is .475, and they came out with very little effort.


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