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Grand-Am whl studs breaking. Fix or Centerlock?

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Old 11-06-2012, 10:14 AM
  #16  
smsarchitects
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+1
I used track studs on all my race cars prior to the cup
Old 03-08-2013, 12:27 PM
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cstreit
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Ended up installing GLS TopStuds. Big in the BMW community and great reputation. glstopstud.com (I have no affiliation)
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Old 03-08-2013, 12:47 PM
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Rickard 993 Turbo
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Why not remove the cl stuff
Old 03-08-2013, 01:52 PM
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cstreit
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Well the centerlock stud is also the retaining nut for the stub axles. Replacing that bit just hasn't been a priority. It also REALLY came in handy when I broke a factory stud at Road America last season. Went out and borrowed a center-lock nut and cone to bolt that wheel on.

So why not just convert to center-locks? My rain wheels are not compatible so I would have to buy new wheels too.
Old 03-08-2013, 11:12 PM
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jeffk1
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Chris ,
I have a set or two left over when we used them in Grand am
They worked for us we never broke any and we did a lot of pit stops
I'm in the Chicago area
Thanks
Jeff Kruger
Elitecrw@aol.com
Old 03-09-2013, 01:19 AM
  #21  
cstreit
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Thanks Jeff. Gary at Topstud hooked me up with these, so Im good. Really looking forward to not having to drill out broken studs at the track. :-)
Old 03-09-2013, 01:21 AM
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cstreit
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Originally Posted by smsarchitects
+1
I used track studs on all my race cars prior to the cup
For what its worth, i had tried to call and email track studs with zero response. Not exactly the sort of service Im looking for. Gary was at the track with samples and responded immediately... Thats why they earned my business.
Old 03-09-2013, 12:01 PM
  #23  
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Originally Posted by jrgordonsenior
Miss my cup's center locks. Much easier to deal with than 5 lugs. That said I bought the longest I could find from CDoc so I could use spacers. 90mm IIRC. With BBS-E88's 9's and 11's I can barely get full thread with 7mm spacers. Just takes a little tugging and rolling on the fenders......
i got the same.
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Last edited by tcsracing1; 03-09-2013 at 12:21 PM.
Old 03-22-2013, 11:14 AM
  #24  
ballzout
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I've broken 2 rear axles using CL, not sure what I'm doing wrong, but I am seriously considering 5 bolt! When a CL breaks, it takes a good rescue crew 1/2 hour to get you off the track, talk about insult to injury !! I'm replacing the whole rear suspension this time, but IF I loose it again...studs here we come !!
Old 03-22-2013, 12:28 PM
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IPguy
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Originally Posted by cstreit
Ended up installing GLS TopStuds. Big in the BMW community and great reputation. glstopstud.com (I have no affiliation)
Are those the press-in studs?

What length on the wheel side of the flange?

Thanks
Old 03-22-2013, 01:45 PM
  #26  
analogmike
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Originally Posted by ballzout
I've broken 2 rear axles using CL, not sure what I'm doing wrong, but I am seriously considering 5 bolt! When a CL breaks, it takes a good rescue crew 1/2 hour to get you off the track, talk about insult to injury !! I'm replacing the whole rear suspension this time, but IF I loose it again...studs here we come !!
Never knew that, I've had CL axles break and it was a mess but so far no breakage on my Grand Am car with studs... Why do the CL make it harder to get the car towed away?



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