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Old Mar 18, 2013 | 09:24 PM
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Default Wheel studs

I need to install wheel studs about 1/2 to 3/4 inch longer that fit the stock holes on the axles & hubs on my 78 C3.
Anybody know a manufacturer and part number of any like I need?
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Old Mar 19, 2013 | 09:04 AM
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Let me know how the install goes on this if you are doing the rear wheels. From what I understand there are three options.

1) Get the 2" studs and drill a hole in the rear wheel guard (not recommended by some)

2) Get the 1 3/4" (I think) and grind down a corner to get behind the wheel hub with the bolt at the 6 o'clock position

3) Get the ones that are too short, but fit (which isn't recommended by anyone :p )
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Old Mar 19, 2013 | 11:01 AM
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There is a fourth option. Disassmble the spindle

Originally Posted by 78SilverCam
3) Get the ones that are too short, but fit (which isn't recommended by anyone :p )
I have been wondering why nobody suggests that. It would make the install a lot easier and as long as the threads on the lug nuts are fully engaged I can't see a reason it wouldn't work. I haven't really looked at them but the same thread and knurl are available in 1 1/2 inch length. Isn't there at least 1/4 inch of the studs exposed when the lug nuts are fully tightened?

Sorry for hijacking the thread.

Last edited by my 76 ray; Mar 19, 2013 at 11:03 AM.
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Old Mar 19, 2013 | 11:25 AM
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I used Moroso parts on my (Non-Corvette) race car some years ago...Summit has them. Just measure the thread diameter and pitch (threads per inch) and they will have the ones you need.
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Old Mar 19, 2013 | 12:09 PM
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X2, btdt
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Old Mar 19, 2013 | 09:31 PM
  #6  
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If the axles have to be pulled to get longer studs in so be it but having looked through the entire NAPA & Dorman catalog longer studs with the correct heads to fit the existing holes seem to elude me. That's why I was hoping someone on forum may have already dealt with this and knew of anything I might have overlooked or something I can get from Summit.
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Old Mar 19, 2013 | 09:41 PM
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There aren't any longer studs available that fit a corvette. Your only option is to remove the spindles and drill the holes to .480 and use the ARP 100-7701 long 7/16 studs. There is no such thing as a .480 drill bit so you have to have one machined.
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Old Mar 20, 2013 | 12:24 PM
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31/64" = .484"

Take the spindles to a capable machinst. You will not be able to drill the spindles with a hand drill.
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