Wheel stud differences
11-25-2010, 09:19 AM
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Wheel stud differences
A recent search did not turn up very much info on this subject, and I have a couple of Questions.
I received a set of rotors that I had ordered for my 93 W250.When I ordered them, they needed the casting number(100353), and the wheel stud size(1/2"20). I now have the front end all apart, and the wheel stud hole in the rotor is too small for the stud. I talked to the company, and they checked their inventory against what I received and they say they have never run into this before and that what i received is the correct rotor for 1/2" studs.
My question is, did Dodge use different 1/2" studs with different shoulder sizes?
I may just drill the rotors out to fit my studs, but would like to know this for future info.
I received a set of rotors that I had ordered for my 93 W250.When I ordered them, they needed the casting number(100353), and the wheel stud size(1/2"20). I now have the front end all apart, and the wheel stud hole in the rotor is too small for the stud. I talked to the company, and they checked their inventory against what I received and they say they have never run into this before and that what i received is the correct rotor for 1/2" studs.
My question is, did Dodge use different 1/2" studs with different shoulder sizes?
I may just drill the rotors out to fit my studs, but would like to know this for future info.
11-25-2010, 08:29 PM
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I ran into this with my truck a couple years ago. I assume this is the 1.5 thick rotors. The parts guys actually called the factory to verify mine when I ran into that.
If the application is correct according to the books & all the measurements are correct then just drill them to fit your studs.
I guess these trucks use one ton Dually rotors.
If the application is correct according to the books & all the measurements are correct then just drill them to fit your studs.
I guess these trucks use one ton Dually rotors.
11-25-2010, 08:51 PM
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My W350 dually studs are 5/8-18 utilizing a flange nut on coined rims that measure 1 1/8 across the flats. These are supposed to be torqued to 300 ft/lbs. FYI
11-25-2010, 10:49 PM
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On a SRW truck the pressed in studs go through the rotors and the heads of them hold the rotors on to the hub when the lugs are tightened. These studs are 5/8 on the head end. This is where the need to drill the lug holes comes from on this application.
This thread details what it took me to learn this the hard way. Please read the last post in it.
https://www.dieseltruckresource.com/...t=brake+rotors
11-25-2010, 11:33 PM
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11-26-2010, 07:08 PM
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Well, Its back together. I drilled the holes in the rotors out to 11/16" and they fit like the ones I took off did. After some research, I found out that there are different shoulder sizes on different studs that fit different trucks.
Im just happy to have it back together and off the stands q:>
Im just happy to have it back together and off the stands q:>
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