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Old 11-14-2006, 07:08 PM
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I saw them, but I only found 8" in front and 10" in back.

Thanks,
Ken
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Old 11-14-2006, 08:09 PM
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Ken,

I have 17's from PS Engineering. Not sure how wide the wheels are but they are appropriate for the tires.

Running Goodyear F1 GS-D3s 275-40-17 front and 315-35-17 on the back. I am real happy with these. Great on dry and the best in the rain. I have put 19,000 miles on these. I'll be changing the rears for next year, well before hitting the wear bars. Keeping the fronts for another season of approx. 8-10k miles.

There are SPF cars with 335-35-17 on the rear w/o problems that I've heard about. The 275 fronts will rub on the front inner frame, nothing you can do about it except spray paint unless you want to restrict the travel. This solution isn't advisable as the turning radius isn't that tight to begin with.

There are a number of cars with one or another 17 race tires. These are great on the track. Generally same sizes as I am running.

I have changed to poly?? sway bar bushings, SS braided brake lines and a different track/street brake pad. This will most likely be the extent of my suspension changes. Olthoff has a race set of shocks but the reports are that these are a little stiff for normal driving with 17s. I'm sure personal preference will determine what is comfortable. Olthoff also has specs on more agressive competition alignment settings. You may want to call them.

Normal ride height is about 26.5", ground to top of fenderwell. With the 17s you can run a little lower but too low and the cowl around the oil cooler, bell housing and a few other undercarriage points will be real close to the ground.

Hope this helps.

Jim, SPF 1855 in Grand Rapids, MI
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Old 11-14-2006, 08:26 PM
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Default Vintage wheels

I have a set of Vintage wheels with Michelin pilot sport 275/40/17 amd 335/35/17. Suspension is lowered and I don't have an issues with rubbing.

I like the advantage of higher performance tires, still unsure of the looks though

Rod
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Old 11-14-2006, 09:48 PM
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Thanks for the info. I am auto-crossing and looking for as much tire as possible. I will have 15" for the street.

Ken
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Old 11-14-2006, 11:12 PM
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I'm running 17x9 wheels with 275's in the front with 17x10 and 335's - Michelin Pilots all around. With the shocks set soft, an a hard launch, the tires will slightly rub the top of the fenderwells due to wheel hop. Shocks set hard, they're fine. On the front, they'll rub in the inner frame on a full wheel turn. 75% wheel turn and you're fine. The 335's on the rear hook up a TON better than the previous 295's I had. The thing turns like it's on rails!
I switched from 15's and I'll never go back. The 15's rode bouncy while the 17's are firm, but tolerable. On good roads, the 17's really come into their own. Good luck with your search.
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