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5/16'' spacer.. SAFE??

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Old Apr 15, 2005 | 12:14 PM
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Default 5/16'' spacer.. SAFE??

I put some on my rear Z06 wheels and wanted to hear opinions. It is a tiny bit over 1/4 inch and the wheel went in well and fit over the hub with no problems . The lug nuts are on there pretty good too. I just want to know if you guys think that this is safe.
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Old Apr 15, 2005 | 01:42 PM
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I'm not sure how deep the lug pockets are, but if it were me I'd put in new wheel studs.
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Old Apr 15, 2005 | 02:09 PM
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Originally Posted by ddelallata
I put some on my rear Z06 wheels and wanted to hear opinions. It is a tiny bit over 1/4 inch and the wheel went in well and fit over the hub with no problems . The lug nuts are on there pretty good too. I just want to know if you guys think that this is safe.
I'm running 1/2" spacers on all four with my z06's. I upgraded to ARP studs though. I tried the 5/16ths with stock studs but didn't feel comfortable doing it. Not enough threads inside the nuts and it looks better with the larger spacer also. I have more threads being used with the 1/2" spacer and ARP studs than I did with stock wheels.

I would do the same if I were you. I have had zero issues and have driven across country. Those ARP studs are very high quality and strong as hell.
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Old Apr 15, 2005 | 04:45 PM
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Your are right on the border. I ran 5/16" on the back of my SS for quite a while with no issues, but there isn't a whole lot of thread holding on . . .
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Old Apr 15, 2005 | 05:24 PM
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I would also run better wheel studs and call it good. I run longer/stronger wheel studs and a spacer at the drag strip and on my z06 wheels. It holds 1.4 60's. You will probably be fine with what you have but it will only be better upgrading.
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Old Apr 16, 2005 | 09:28 AM
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After going back to check my work I noticed that with the 5/16'' spacer the nuts where only on by 3.5 turns. So I just removed the spacers and put on some 2/16'' spacers from an IROC. The wheel sits alot better on the hub now and I feel much safer now.
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