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Old 05-11-2010, 05:54 PM   #1 (permalink)
FIL
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What are the widest tires we can run?

I've looked and can't find an answer to the following question:

What are the widest tires we can run without rubbing (without fender mods)????

I really want to run the following:
Front: 225/50ZR16
Rear: 255/45ZR17

But I don't know if it will rub.
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Old 05-11-2010, 06:09 PM   #2 (permalink)
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more info please.

widest that can me mounted in static position/little body roll or widest that can be mounted with full body roll?

widest for performance or for appearance?
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Old 05-11-2010, 06:11 PM   #3 (permalink)
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I am running with 245-45-16 at the rear, and it is the limit with stock body if the car height is low. With Nitron Pro suspension and stock rubber bushing, the tire can touch a little bit the frame as well as the light reflector at the rear fender. Really tight set-up.
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Old 05-11-2010, 07:19 PM   #4 (permalink)
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I'm running hoosier A6 245-45-17 in the rear with Nitron and low ride height. using spacers.

I mostly want a bigger tire in the front. Specifically a bigger A6 for greater grip.
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Last edited by FIL; 05-12-2010 at 09:58 AM. Reason: mistake
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Old 05-11-2010, 09:59 PM   #5 (permalink)
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What size are your front's?
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Old 05-12-2010, 09:57 AM   #6 (permalink)
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Quote:
Originally Posted by sleepe View Post
What size are your front's?
I am running:

205 16 front
245 17 rear
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Old 05-12-2010, 10:57 AM   #7 (permalink)
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225 front and 245 rear I believe are the widest you can run w/o body modification, correct me if I'm wrong.
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Old 05-12-2010, 11:38 AM   #8 (permalink)
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Originally Posted by sleeprfocus View Post
225 front and 245 rear I believe are the widest you can run w/o body modification, correct me if I'm wrong.
Cool. I'm alright sticking with 245 in the rear, but really want to upgrade to 225 in the front.

Can anybody confirm that 225 will work?
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Old 05-12-2010, 12:11 PM   #9 (permalink)
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james4513 is selling his 05 supercharged Elise. (check the for sale section) In his listing he says he is running 215 in the front and 255 in the rear using Falken AT615 on Team Dynamic Wheels. I bet he could help you out.
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Old 05-12-2010, 01:12 PM   #10 (permalink)
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My ridiculous wheels are 255 in the rear and at least 215 up front. Stock suspension and no mods, just the HREs. I'll check the fronts for sure when I get back home.
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Old 05-12-2010, 01:18 PM   #11 (permalink)
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I ran the 225/45R15 on fronts but note that that is on a 15" wheel. I'm one of the 15/16 guys and love the combination (245/45 in the rear). I ran the A6's without spacers on a non LSS car. Minor rubbing on the wheel arch liners on the inside and about 2.5 hours of track time before cording them (in 15 minute sessions and one SCCA autoX)
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Old 05-12-2010, 02:05 PM   #12 (permalink)
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Quote:
Originally Posted by jperrett View Post
Minor rubbing on the wheel arch liners on the inside and about 2.5 hours of track time before cording them (in 15 minute sessions and one SCCA autoX)

Was the rubbing on the front or rear?
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Old 05-12-2010, 07:14 PM   #13 (permalink)
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Quote:
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Was the rubbing on the front or rear?
Both... had to cut the rear liners a bit and the fronts are just rubbing on hard cornering, not worth adjusting. With different suspension you may be looking at very different results. I may get the BWR spacers for the next set, though I'll see how 205/50R15's work in the front (likely R888). 225 didn't suit my driving style (which had to be greatly modified so as to not overheat the brakes). I like the sharper turn in of the 175 AD07's which can be balanced well with the throttle for many corners, but for the sweepers I find even the 195's were pushing too much. 225 is overkill in the sweepers and has a sluggish feel on turn-in with a much less sensitive feel in the steering.
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Old 05-13-2010, 08:35 AM   #14 (permalink)
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Quote:
Originally Posted by JustDJR View Post
My ridiculous wheels are 255 in the rear and at least 215 up front. Stock suspension and no mods, just the HREs. I'll check the fronts for sure when I get back home.
what's the offset? You guys definitely need to pick a wheel with the correct offset to run wide tires.
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Old 05-13-2010, 01:03 PM   #15 (permalink)
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Quote:
Originally Posted by shay2nak View Post
what's the offset? You guys definitely need to pick a wheel with the correct offset to run wide tires.
Got no idea. HRE does them custom for the Elise/Exige I could probably float them an e-mail and ask. Like I said, they were on the car when I bought it, HRE has a pretty good reputation on wheels though so I would think the offsets are good.

EDIT: I confirmed the front is 215. No rubbing lock to lock, but it is possible the previous owner did a little adjusting to the wheel well, but they look normal to me. I also found an invoice form when i had a little bit of work done on one of the front wheels and it looks like its got ET values of 30 for front and 18 for the rear but i could easily be reading this wrong.

Hope that info helps. And if you're in the market for wide ridiculous wheels they're for sale. I'm over them haha.
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Last edited by JustDJR; 05-13-2010 at 08:28 PM.
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