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Track Tire (Mixing) Question

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Old 03-25-2006 | 07:41 AM
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CRDMS1's Avatar
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Default Track Tire (Mixing) Question

Need some advice. I have a DE coming up and I'm trying to stretch my tire budget. Here is what I have:

225 OEM Bridgestone S-02
Mounted on AP1 OEM rear wheels
60%ish treadlife

255 Kumho RT615
Mounted on custom 17" Kodiak wheels (made to AP2 rear size/offsets)
50%ish treadlife

I've run both tire types on the track before, just not at the same time. Other than looking like a dork on the track, can I run the mixed F/R 225/255 setup on the wheels listed without issue? I don't have any other suspension mods.

EDIT: Just a thought...will the AP1 rear wheels clear the brakes on the front? I'll find out in a few minutes I guess
Old 03-25-2006 | 09:56 AM
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UPDATE: Never mind. I should have known better that the rear AP1 wheels wouldn't fit on the front. The hub opening is too small on the rear wheels. Looks like I'll need to port an extra set of rear wheels to the track.
Old 03-25-2006 | 10:10 AM
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You can always hone out the center bore of the rear wheels, then they'll fit fine on the front. No clearance issues with brakes.
Old 03-25-2006 | 10:18 AM
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there will be a slight rub with the upper arm during full droop and turn with 2.0 neg camber. other than that it clears everything.
Old 03-25-2006 | 10:33 AM
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Thanks for the feedback.

Hmmm...I still have time to take the wheels to a shop. Anyone know what kind of shops might be able to help? I doubt any general automotive shops will be able to help. Machine shop?
Old 03-25-2006 | 11:04 AM
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Call around and ask if they have a mill. It shouldn't take any longer than half an hour to hone 2 wheels. Make sure you have the tires mounted off the wheels.
Old 03-26-2006 | 09:42 PM
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Is there any benifit to running the rear tire in the front? Can you maybe fit a 235 up there without rubbing or anything good like that?

J. R.

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Old 03-27-2006 | 06:30 AM
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You can fit 225s to the front rims for sure. In my case, however, I'm trying to avoid spending money on tires by using what I have on hand.

In general, having 2 sets of rear AP1 wheels (bored out to fit the front hubs) would be a relatively inexpensive path to running a non-staggered setup.
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