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billy bee
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AUG 17, 02:17 PM
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Greetings all:
New here and have a quick question. We are trying to run a square set-up on our 24 Hours of Lemons Fiero. We are going to stick with 15" wheels and want to run 225/45-15 Hankook R-S4 tires all around. We have several 15x7" wheels with 35 offset. Anybody know if the 225's will fit up front?
Thanks,
Bill
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cvxjet
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AUG 17, 03:23 PM
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I have 16 x 7 wheels with 38 mm offset on my 85 Fiero. Also, 205/55 tires. My cal-cu-mi-lations show that your tire outer sidewall will move outward 13 mm (1/2"). The inner sidewall will move inward 7 mm (Just over 1/4")
I think you will be ok- but you would experience more kick-back thru the steering and a bit more effort turning>>>At low speeds (Not really critical on a RACE car)
 [This message has been edited by cvxjet (edited 08-17-2022).]
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Frenchrafe
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AUG 17, 04:56 PM
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hyperv6
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AUG 17, 05:32 PM
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I have 225 /50 /16 all around. No issues.
These are the tire size Herb Adams ran on his showroom stock Fiero.
Steering a slightly heavier.
I also have the Herb Adams VSE sway bars 1” front 1 1/4” rear.[This message has been edited by hyperv6 (edited 08-17-2022).]
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billy bee
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AUG 17, 07:44 PM
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Thanks for the feedback. I appreciate the thoughtful replies. I have four Hankook R-S4s on the way!
I am sure these questions (or other similar questions) get asked frequently. I was just in a hurry for info and wasn't having any luck with the search function. So, thanks for the speedy, nonjudgemental help.
Just for fun, I have attached a picture of the car. It has just been sanded for paint (Tractor Supply sells oil based enamels). Painting starts tomorrow.
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Patrick
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AUG 17, 08:33 PM
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| quote | Originally posted by billy bee:
So, thanks for the speedy, nonjudgemental help.
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Maybe next time mention the year of your Fiero.... because if it's an '88, all the above advice is potentially wrong. 
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cvxjet
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AUG 18, 01:02 AM
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Billy, I did some odd things to my stabilizer bars to improve both turn-in and drop-throttle-oversteer. The car turns in much quicker yet cutting the throttle at the limit in a turn only tightens the car's turn-radius a bit. >>More responsive AND safer handling.
Here is a thread on what I did; https://www.fiero.nl/forum/Forum2/HTML/140674.html
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hnthomps
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AUG 18, 01:01 PM
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I am running 265 x 50 x15 tires on the front of several Meras using the Chromadora rims. Several have also been lowered 0.5 to 1.0 inches. The only issue that I have is sometimes a slight rubbing when doing a sharp turn at parking lot speeds. The steering force at very low speeds is also increased somewhat but is still acceptable. I would use the OEM size of 245 x 50 15 tires in the front, but I cannot locate any company that currently makes them for road use.
Nelson
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