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Old Aug 14, 2009 | 02:58 PM
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CHRIS'S 98 SS's Avatar
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Default spacer question?

do i need to run spacers for the front and back tires. 245-40-r18 8.5 in the front and 285-35-18 9.5 in the back. they are 56 mm offset

Last edited by CHRIS'S 98 SS; Aug 14, 2009 at 03:08 PM.
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Old Aug 14, 2009 | 03:06 PM
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It will depend on the wheel offset, but typically with and OEM 56mm offset NO.

Might have to do a little BFH'ng in the rear well are but nothing extreme.

Just take into consideration that under track conditions what doesnt rub on the street does not mean it wont rub under stress. Tires will deflect and the rear suspension likes to swing a bit too.

I think you should be just fine, but nothing a 1/4 - 5/16" hub centric spacer cant fix.

Good luck.
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Old Aug 14, 2009 | 03:09 PM
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thanks, i was told that i need to run a 5/16 in the back to close the gap but i wanted to know if i need to and if i need a spacer for the front.
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Old Aug 14, 2009 | 03:14 PM
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Just so you can get an idea on how far you can take it on the street.

On a 18x10.5 58mm offset I was able to run a 295/30 up front with no rubbing issues. So a 245 should be just fine.

On the rear same wheel I was able to make it with a 305/35 only rubbing when taking large inclines like driveways and such....

Of course this was on the street driving.....autox hair pins made rubbing an issue, both up front and rear.

I'll be running spacers next month and hopefully it will be minimal and tolerable.
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