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06-06-2009 #1
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Willwood stud size larger than stock??
I just installed a set of 13" rotors and 6 piston calipers on my 69 Camaro. The studs on the spindle are larger than my stock lugs. Anyone know what Willwood uses for stud size? Thanks.
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06-06-2009 #2
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1/2"-20? Any chance you have a caliper?
Larry Callahan
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06-06-2009 #3
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I don't. I may have to take the spindle into the tire shop and get them to check it. I was hoping somebody might know off hand.
Originally Posted by Larry Callahan
06-07-2009 #4
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grab a 1/2" open end wrench and see if it fits snugly over the stud.
if the 1/2" wrench is too big, then try a 12mm.
they are probably 1/2"- that's the standard upgrade stud size for GM cars.
06-07-2009 #5
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Larry is correct. They are 1/2" X 20
06-08-2009 #6
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Yup, I just threaded my wilwood studs in today and thats what they are. If the thread through the back of the hub then they are correct. JR
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