C6 OEM Wheels on a 4th Gen
Registered User
Joined: Aug 2001
Posts: 23
From: Cigar City USA
I don't think there actually IS a "Grade 10" bolt. I may be wrong, but I'm pretty sure SAE bolts and studs are only rated from 1 through 8.
Unless you have aftermarket axles (which typically switch to a 1/2"-20 lug size, in Grade 8), it's likely a metric M12x1.5 stud that snapped. If so, that would be a Class 8.8 stud (about equiv to a Grade 5 in SAE ratings). A 9.8 might have sufficed, but a Class 10.9 metric stud is plenty (no need for a Class 12.9... more maintenance).
Unless you have aftermarket axles (which typically switch to a 1/2"-20 lug size, in Grade 8), it's likely a metric M12x1.5 stud that snapped. If so, that would be a Class 8.8 stud (about equiv to a Grade 5 in SAE ratings). A 9.8 might have sufficed, but a Class 10.9 metric stud is plenty (no need for a Class 12.9... more maintenance).
I stand corrected. The NAPA studs are the Class 10.9.
common slip up... but if you goto NAPA asking for Grade 10 studs you may get a blank stare. (just trying to help 
Registered User
Joined: Apr 2008
Posts: 2
From: SW, Michigan
pcm tune for tires
Have taller tires in back than in front. Fronts are stock height, rears are 1" taller, trips abs inop light. Is there a programmer or a tuner that can reconfig for diff sizes in front and rear. I know hypertech makes one, but it changes for all 4 corners, need to sep front and rear.
Registered User
Joined: Nov 2002
Posts: 104
From: WI
I have read the FAQ and done a minor bit of searching. I have been looking at new rims for my 1996 Z28. I wanted 18's all around or 18/19 combo but wanted feedback if anyone has used this type of setup on a lowered camaro before. I have QA1 coilovers and the eibach prokit. I current have ZR-1's with 275/40/17s on all four corners, and I am very sick of that look. Any help would be appreciated.
http://cgi.ebay.com/ebaymotors/19-18...spagenameZWDVW
http://cgi.ebay.com/ebaymotors/19-18...spagenameZWDVW
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Joined: Oct 2007
Posts: 26
From: North Phoenix, Arizona
Registered User
Joined: Aug 2002
Posts: 15
From: West Lafayette, IN, USA
Helpfull advice
Well, Thanks for the advice guys, I ordered some 5 x 4.75 1.25" thick aluminum adapters on eBay for about $80, and the wheels cleared perfectly and look great! (although I did have to have the hub opening machined about 1/16" bigger to clear the hub, no big deal though) The fronts bolted on perfectly and the car looks awesome with the staggered chrome vette wheels! Next will be adapting C6 brakes (any information on the REAR brake swap would be greatly appreciated!). Thanks again guys for your help!
Thread Starter
Administrator
Joined: Nov 1998
Posts: 71,086
From: Hell was full so they sent me to NJ
Registered User
Joined: Aug 2008
Posts: 4
From: Pikeville KY
Powdercoated C6 wheels
Heres what they look like powdercoated if anybody wants to know. FYI you have to paint the center caps yourself(plastic)!!!
P.S. Does the size of the rear spacer make anybody else nervous????
P.S. Does the size of the rear spacer make anybody else nervous????
Registered User
Joined: Nov 1998
Posts: 633
From: Macon, GA
FINALLY, I can post up my pics...I just put them on this morning.
OEM C6 19x10 (79mm offset) rims in SILVER on ALL FOUR corners.
275/30/19 Michelin Pilot Sport A/S tires on all four corners.
1.25" spacers/adapters on all four corners.
Lowered w/Eibach Pro-Kit.
OEM C6 19x10 (79mm offset) rims in SILVER on ALL FOUR corners.
275/30/19 Michelin Pilot Sport A/S tires on all four corners.
1.25" spacers/adapters on all four corners.
Lowered w/Eibach Pro-Kit.
Registered User
Joined: Feb 2008
Posts: 4
From: Long Beach CA
c6 wheels
i have bought some black C6 ZO6 wheels, the front are 18x8.5 245/40/18 and the rear are 19x10 285/35/19, and i want to install some sportlines eibachs for a good drop, and i was wondering if the wheels would scrape or hit the front or back fenders, i need your help thank you
