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Old May 1, 2004 | 03:37 PM
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Default Studs and spacers

I'm tired of waiting for the 53mm offset 18x10.5 Z06 rims to come off backorder. I've searched and from what I've read it seems that most people agree that it is safe to run a spacer as long as you go with longer hardened studs. Where could I get some studs and a 5mm spacers? I've looked at the sponsors and I don't know if their studs are longer than stock and I didn't find any spacers.

If I got 18x10.5's with a 56 mm offset and used a 5 mm spacer do you think I would have any rubbing with the new 305/35/18 Nitto drag radials? I don't mind doing the BFH mod but I would rather not have to roll the fender lip. At the same time I don't want the tires to look like they are tucked in too far.
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Old May 1, 2004 | 06:54 PM
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I believe you'd be fine just running them the way you have them now. If you are dead set on thinking it will be that much different, use 2 inch studs if you add the spacer, not longer. If you use an arp 2.68 long stud for example, it will look terrible. If you can't find 2 inch studs, then tap out your stock holes use a 1/2x20 tap. You can buy a tap for ~6-10.00. Then use standard studs which are going to be a higher tensile stud.

The difference between 50 and 56mm is ~1/4 inch...I don't believe your going to notice this difference. Your considering the thickness of a pencil difference. Anything less then 1/2 inch isn't going to be noticable...right now, if you you don't have an adj panhard rod, I wouldn't be surprized if your rear is offcenter by 1/4 inch towards one side...especially if your lowered.

BTW, thunder racing whom is a sponser will have the longer studs in addition to summit if you want those long ones.

Hope this helps,

Steve
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Old May 2, 2004 | 03:42 PM
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Steve10 thanks for the help. If all I could find was the longer studs why would they look like crap? If they got in the way of the center cap couldn't I just cut some of them off? I'm a little confused on the stud thing because I don't know how long the stock ones are or what the differance between the stock ones and "standard" sized ones.

I just found out the wheels I'm considering getting are 58mm offset. I've read alot about how the 56mm just doesn't look right on the back of a Camaro so now I'm two more mm in the wrong direction. I was told I needed a hub-centric design spacer. I'm not really sure what that is but could someone tell me where I can get some and some longer hardened studs. I'm tired of searching through the sponsors. So if anyone knows off hand where they are please let me know.

Wouldn't the 305 tire rub really bad if I didn't run some kind of spacer with the 58mm offset? I thought there would be some rubbing with a 295 and a 56mm offset.
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Old May 3, 2004 | 01:30 PM
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Yes is will rub. H&R springs make hub centric spacers.
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Old May 3, 2004 | 05:24 PM
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Xsta Z28 I thought that the 305/35/18 was Nitto's answer to the need for an 18" drag radial to fit the Fbody. Don't Nitto's run small anyway? I didn't think there would be much differance between these and a regular 295/35/18. You know more than I do about this so your opinion is welcome. I was also told that H&R makes 25,35 and 45 mm spacers but the 15mm Eibach spacer would be best for me. Would I be able to run the 305/35 Nitto without rubbing if I get the spacers or were you saying they would rub no matter what?
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Old May 3, 2004 | 09:00 PM
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You can cut the longer studs, but why bother, just pick up the right length studs and use them. The 1/2 inch studs will be retain a higher tensile anyways....you'd have to do about as much work by cutting them as tapping new holes...this is of course if you even bothered using a spacer which I wouldn't...use the stock studs, no spacer. You can always change it later if you wanted to...but as I said, I seriously doubt that after putting on a spacer, you will be able to say..."that makes a huge difference". I don't believe anyone else will say this either.

The further you go inward the more you have chances of rubbing, but you can clearance out any issues rather easily. We are talking a very small difference here...I wouldn't be so concerned of the additional difference.

Step back and think of what your considering. Your adding about .07 of an inch to your BS to the .56mm. That is nothing. For someone saying they can see ~.25 difference between say a 50 and 56 is hard to believe. Think of how small .25 of an inch is...differnt tire manufactures can vary by this much easily.

Good luck with your decision.

Steve
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Old May 3, 2004 | 09:57 PM
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I've thought the same thing all along but there are so many people on here that feel like its a big differance... I've seen 53mm for sale and everyone acts like there is a huge differance between those and the 56mm ones. 3mm can't be noticable. But another way I look at it is that I need 50 and if I get one with 58 then use a 15mm spacer that would put me at 43. That seems big enough to notice and I think thats a better direction that to far in.

I'm about ready to scrap the whole Z06 rim idea. I'm starting to think its to much trouble and with those tires Xsta Z28 is saying it will rub. Thanks for the help everyone. I haven't made up my mind yet but I'm about to look for some different rims.
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Old May 4, 2004 | 08:55 AM
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Well a 305 will be wider than a 295, and 295's rubbed on my SS, so a 305 will be worse.

The 295 was a 35 series tire so using a wider same series tire will make the tire taller, and the 285 was already taller than stock, so . . . IMHO, the tire is too tall . . .

Spacers are going to help, I ran 5/16" spacers with my 10.5" Z06 replicas. Rubbing will be minimized on the inner wheel well with a spacer.

I'd say stick with a 295/35ZR18 tire.

A 58 mm wheel with a 15 mm spacer and longer wheel studs will work very nice. When it comes to offsets it's amazing what few mm will do for appearance sake.
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