Don't know if anybody else has had this happen, but I just returned from a Roadcourse event ( Watkins Glen) And broke a factory 10 spoke wheel in 2 places.......anybody else? Gary

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GM01SS/ 2001 SS/ #5747 Rally Red/ mods! /RIP #3/GOD BLESS AMERICA 9-11-01 // FLFB of WNY // WNYFA//

 

Did you hit something, or otherwise do something specific that caused it to break? I broke a Centerline at Thunderhill, I think it was a metal fatigue thing, from multiple shocks over berms. Or something. When it actually broke, I was just driving along.

http://www.go-fast.org/z28/photos/wheel-broke.jpg

Dave

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1997 LPE 383/n2o Camaro Z28 Convertible
12.39@112.2, 1.76 60' (na) 11.27@124.6, 1.76 60' (n2o)
LT1 Diagnostics, New to Nitrous? Northern California Racing Club

 

it doesn't look like a design that's built for road racing. where did they break?

 

Nothing special ( ie: nothing hit etc) and the break occured in 2 places near the hub of the wheel........my thoughts being, fatigue! Gary

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GM01SS/ 2001 SS/ #5747 Rally Red/ mods! /RIP #3/GOD BLESS AMERICA 9-11-01 // FLFB of WNY // WNYFA//

 

Gary,
What tires are you using on the track? I am about to get some CCW 17x10's because Kumho and Hoosier strongly recommend a 10" width for their 275/40/17's. Hoosier says a 10.5" is even better. Kumho said I would notice a big increase in grip and reduction in tire wear using a 10" rather than a 9.5" wheel. The SS wheel is only 9" wide. If you are interested, contact me. I am working with John, the owner, to come up with a "shallow pad" wheel fitment for the C5 brake system. using the shallow pad version of his wheel gets the wheel down to the 18.5 lb weight range. He has street and racing versions of his wheels; I am obviously getting the race version. It even has steel inserts for the lug nut seats, as well as a forged alloy center.

Bob Bishop

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lateapex@charter.net
'94 Z28 with C5 front brakes and other road racing stuff

 

******* Thanks for the reply Bob, I am using Nitto's new R compond tire, and they seem to work great! I have 12 track days on them this year, and it is time to turn them around and I can probably run 2-4 more days. As far as the wheels, yes I would be interested in what they have to offer.....price....availiabilty etc...Gary



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GM01SS/ 2001 SS/ #5747 Rally Red/ mods! /RIP #3/GOD BLESS AMERICA 9-11-01 // FLFB of WNY // WNYFA//