Why are my wheel studs getting destroyed
Why are my wheel studs getting destroyed So I launch the car at 5200 off of my two step. It's a 6 speed with a monster 3 clutch, 400rwhp and 365rwtq, wieghs 3800 lbs with me and fuel in it, I am using a Hoosier quick time pro 28/11.5 on a 16" wheel and I run 18psi in them. I am using the strange screw in 1/2" wheel studs, I recently sheared the left side studs off at the track and upgraded to the 1/2 since I was still using metric ones. I just don't get why I am twisting them. Is it my tire that I run with the 4:11 gears I just don't get why I am killing these wheel studs. My best time for the night was 11.75 with a 1.67 60ft and then I was stuck in the 11:8xx for the rest of the night with a slow decline as the track got cold and went away. But again why am I killing these it's an all motor car with no power adders. I'm hoping I don't have to do a 5/8 stud since new wheels will have to be bought for the rear. So what's every ones thoughts
Last edited by 99french; Oct 28, 2011 at 07:23 PM. Reason: Adding info
Just make sure the nuts are tight check torque on them after a few runs. But the heavy car is killing it probly. I have been in the 1.5 60ft with a m6 and 1/2 studs but weigh 3380 raceweight right now. I am sure ppl 60ft harder with 1/2 studs.
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Just to ask some silly questions to see if we can come up with anything to help you out.
We know it is a stock 5 spoke wheel but is it a GM wheel or after market stock style wheel?
This uses an acorn style nut correct?
Are you running any type of wheel spacer?
These press in or screw in studs?
Is this a stock axle or after market axle?
Still running stock brake rotor?
We know it is a stock 5 spoke wheel but is it a GM wheel or after market stock style wheel?
This uses an acorn style nut correct?
Are you running any type of wheel spacer?
These press in or screw in studs?
Is this a stock axle or after market axle?
Still running stock brake rotor?
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I've seen auto cars sheer good wheel studs off too.
Might want to try a different lug nut.
Acorn style with a shank
http://t2.gstatic.com/images?q=tbn:A...NEoHuGWcw-NjYm
Might want to try a different lug nut.
Acorn style with a shank
http://t2.gstatic.com/images?q=tbn:A...NEoHuGWcw-NjYm
It is a GM wheel. These are the screw in studs in the strange 31 spline axles. I am actually using a MWC fab 9" with a Yukon grizzly locker. I am still using a stock replacement rotor. And they are an scorn style lug nut. And I am not using any sort of wheel spacer. Actually I just called mwc about a week ago and talked to Eric about my wheel hop. And he helped me get rid of it just now my studs are poop. Strange is standing behind them even if they check out ok. So I am just trying to get to the bottom of the issue
Thanks guys I feel tarded having to ask these questions but I was going by info given to me by strange which is who makes the studs I use. I'll be popping these things out and taking them to strange come Monday hopefully. Then I'll have to wait till next season to see if they hold up. But thanks again to all who replied and if anyone else has opinions or some sorta idea don't be shy
Looks like you got it figured out and I agree with the others I would torque them down more. I also check mine before every pass when I am checking tire pressure in the pits every pass now but I would suggest doing it a couple times in the day while racing.
When was the last time you had your wrench checked to make sure it is actually doing what it is supposed to be doing?
When was the last time you had your wrench checked to make sure it is actually doing what it is supposed to be doing?
Last edited by MidwestChassis; Oct 30, 2011 at 01:58 AM.
I'm using the same studs and haven't had a issue with breaking them. I always torque my wheels to 100ft lbs
6 speed car, 3850 raceweight, 28'' et drags, 6k launches, 1.52' 60 foot.
Now I do have a issue with those little ******* staying tight (as far as the entire stud wanting to screw out) I could see if you have that issues to where you think your tightening the lug but the stud screws out a bit, at first I never use to notice but it happens so much I can tell when a stud spun a few turns and not the actual lug.
6 speed car, 3850 raceweight, 28'' et drags, 6k launches, 1.52' 60 foot.
Now I do have a issue with those little ******* staying tight (as far as the entire stud wanting to screw out) I could see if you have that issues to where you think your tightening the lug but the stud screws out a bit, at first I never use to notice but it happens so much I can tell when a stud spun a few turns and not the actual lug.