Are these wheels too big for stock power? - Lexus IS Forum
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post #1 of 3 (permalink) Old 02-23-2017, 06:25 PM Thread Starter
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Are these wheels too big for stock power?

I like these wheels. Say they fir Supra and GS. But are they too big for stock power? Also, what has to be done to the wheel well liner, if anything, to make these fit on an H&R spring drop? By fit I mean with no spacers, no rolling, etc.

Last edited by GXElover; 02-23-2017 at 06:32 PM.
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post #2 of 3 (permalink) Old 02-23-2017, 09:00 PM
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I am running 18x8 and 18x8.5. Tires are 225 front and 255 in the back. 45 and 50mm offset. I am lower also. No issue, my car was already missing a part of the fender lining, so I cant tell you if youll need to modify it.

The is300 was never really quick to being with. I dont think youll notice a difference.
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post #3 of 3 (permalink) Old 02-23-2017, 09:17 PM
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The front should fit with minimal work. It will be close to the suspension so just make sure you only use stick on weights for balancing. The rear will probably need a roll or you can run some camber.

Originally Posted by TeCKis300
Front fender limit: +65mm
| +65 | Stretch tire and/or roll fender. Need fender liner mod. Do not exceed tire diameter of 25"
| +55 | Fender liner mod if going for a wide or tall tire. Do no exceed tire diameter of 25.2"
Front inner suspension upright limit: -155mm
Need spacer if this number is exceeded. If close, do not use lip weights on wheels

Rear fender limit: +68mm
Rear fender limit w/ shaved lip: +75
Need to stretch tire to a certain degree if very close to these numbers
Rear inner suspension coil lmit: -183mm
According to this the front wheels will be 2mm from the front suspension and 2mm from the fender. The rear wheels will clear the rear suspension by 17mm but will stick out 1mm. You can probably get away by running some camber, stretching tires, rolling fenders, or a combination of the 3.
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  Lexus IS Forum > 1st-Gen IS300 > Wheels and Tires

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