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18x10.5 rear fbody

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Old Jul 31, 2007 | 01:52 PM
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Default 18x10.5 rear fbody

hey im looking to get 18x10.5 z06 wheels for my fbody and was wondering if there are any fitment issues and also what backspacing do you reccomend? what is the biggest tire being run on these without issues? Non lowered a4 2000 z28 receiving head/cam/stall package
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Old Jul 31, 2007 | 01:52 PM
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also this is rear only i already have 9.5s up front
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Old Jul 31, 2007 | 01:57 PM
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I have 18x10.5s on my trans am. lowered with pro-kit and 5/16" spacers on my rear wheels that have 58mm offset. 295-35s, very little rubbing only on hard turns.
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Old Jul 31, 2007 | 02:08 PM
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wow i rubbed with 9.5s out back with 275 35rs when i had eibach pro kit, had to buy adj panhard bar, think it would run without spacers if it wasnt lowered? do you have panhard bar?
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Old Jul 31, 2007 | 03:46 PM
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5/16th spacer should do the trick.

If there is still minor rubbing, a few hits with a BFH will take care of it.
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Old Jul 31, 2007 | 04:29 PM
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My car has the Hotchkis lowering springs. Only a 1" drop. Not sure how much the Eibach kit lowers the car. I used the BFH mod only so far. Only time it rubs is when I'm backing out of my driveway at an angle (to keep the front end from scraping) and just one back tire contacts the street. I may put a small spacer in later if I notice any unusual wear on the tires.

https://ls1tech.com/forums/wheels-tires/758213-bfh-mod-my-new-wheels.html

'Los
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Old Jul 31, 2007 | 05:58 PM
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Well I have stock height on my SS , I have 18X10.5 Y2K's in the rear wrapped w/ 295/35/R18's it only rubs when i do a hard turn. I cant wait to lower it.
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Old Jul 31, 2007 | 11:54 PM
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I have a UMI single adj. PHR. I bought it mostly to try and get rid of the rubbing on hard turns. I figgured the stock one was flexing and allowing the rear to shift and the tires to rub. However, when I installed it, there was still rubbing on hard turns. I adjusted it towards the driver side more because that was the side that was rubbing, but then the passenger side was WAY to close to the inner wheel well. I guess I'm just going to have to do a little BFH. I really didnt want to, but theyre just gonna rub otherwise.
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Old Aug 1, 2007 | 08:21 AM
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lol BFH, i love it!!! im about to get ls6 heads/intake and possible a tr224 or vengance x3. thats why im leaning towards some fatter tires cuz no point in power if you just make smoke!
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Old Aug 1, 2007 | 04:54 PM
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stock height. 18x10.5 z06s. 315/30/18 falken rt-615s, 1/4 in spacer, bfh.







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Old Aug 1, 2007 | 04:55 PM
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ps. they are 58mm offset like standard z06
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Old Aug 1, 2007 | 06:47 PM
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Would I need longer studs to run 5/16" or 1/4" spacers?
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Old Aug 2, 2007 | 08:20 AM
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Originally Posted by 3.8to6.0
Would I need longer studs to run 5/16" or 1/4" spacers?
1/4" is typically fine on stock studs.

I did run a 5/16" with stock studs, but I do not recommend it, since there is not a whole lot of thread to bite onto. I planned on changing the studs, but instead got different wheels . . . .
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