Wheel Stud Length
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Wheel Stud Length
When I was at the track, it was recommended that I use longer wheel studs, which is mandatory at some point I think. I can't remember what the required length past the face of the wheel was, 2 times the stud diameter? Can anyone confirm?
Also, can you use mag wheel lug nuts with longer studs, by cutting off the end cap of the nut to allow the stud to protrude thru? Would a nut modified like that be strong enough and/or legal, or do I need new studs?
Thanks
Also, can you use mag wheel lug nuts with longer studs, by cutting off the end cap of the nut to allow the stud to protrude thru? Would a nut modified like that be strong enough and/or legal, or do I need new studs?
Thanks
69 Nova 408 SBC
Best to date: 10.241 @ 128.36 mph 1.404 60ft.
Best to date: 10.241 @ 128.36 mph 1.404 60ft.
IF you get the Moroso wheel studs, new open ended lugs with washers are usually the right length without having to modify anything. This is if you are running a weld type wheel, which it looks like in your avatar. I'd upgrade to 1/2 studs, and get new lugs, Cheap insurance and peace of mind.
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"The thread engagement on all wheel studs to the lug nut, or lug bolts to wheel hubs, must be equivalent to or greater than the diameter of the of the stud/bolt. Length of the stud/bolt does not determine permissibility. (Example: A 7/16-inch stud must be thoroughly engaged through the threads in the hex portion of the lug a minimum of 7/16-inch.)"
from NHRA 2007 Rule Book, Section 16 General Regs
from NHRA 2007 Rule Book, Section 16 General Regs
My 1971 X275 Nova | Facebook
Me 2!
BTW, I assume I need to remove the axles to swap out the studs (???). I have a 10 bolt 8.5” rear end w/ an Auburn Posi and 4.10 Richmond gears. Any trick to getting the axles out? I haven't done this in a while. What kind of RE fluid do you guys recommend?
Thx,
Ken
BTW, I assume I need to remove the axles to swap out the studs (???). I have a 10 bolt 8.5” rear end w/ an Auburn Posi and 4.10 Richmond gears. Any trick to getting the axles out? I haven't done this in a while. What kind of RE fluid do you guys recommend?
Thx,
Ken
69 Nova 408 SBC
Best to date: 10.241 @ 128.36 mph 1.404 60ft.
Best to date: 10.241 @ 128.36 mph 1.404 60ft.
- TubbedTruck67
- Posts: 374
- Joined: Wed Oct 25, 2006 11:59 am
- Location: Joplin, Mo
I was at least on the right trackBeyond wrote:"The thread engagement on all wheel studs to the lug nut, or lug bolts to wheel hubs, must be equivalent to or greater than the diameter of the of the stud/bolt. Length of the stud/bolt does not determine permissibility. (Example: A 7/16-inch stud must be thoroughly engaged through the threads in the hex portion of the lug a minimum of 7/16-inch.)"
from NHRA 2007 Rule Book, Section 16 General Regs
Just remove the wheel cylinder, spin the axle around to line up the stud with the opening from where the wheel cylinder was and pound it out. Insert the new stud and pull it in using some old lug nuts & washers.71 Nova wrote:Me 2!
BTW, I assume I need to remove the axles to swap out the studs (???). I have a 10 bolt 8.5” rear end w/ an Auburn Posi and 4.10 Richmond gears. Any trick to getting the axles out? I haven't done this in a while. What kind of RE fluid do you guys recommend?
Thx,
Ken
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