Quick wheel/tire question

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Sep 17, 2015 | 06:25 AM

kolyan

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From: MA

Quick wheel/tire question

I wanted to purchase all around 18x8 +45 - 225/45/18 from a member here for IS350 RWD. I just realized that our stock size is 225/40/18. Will that extra 5 cause problems with rubbing etc ?

Sep 17, 2015 | 06:30 AM

Zynthe

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R u lowered? If not you should be fine as the difference in wheel diameter is 5.

Sep 17, 2015 | 06:39 AM

kolyan

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Quote:

Originally Posted by Zynthe

R u lowered? If not you should be fine as the difference in wheel diameter is 5.

No, all stock. I did some quick research, but still unclear....whats the speedometer difference ? and are there any REAL issues with ABS and traction getting thrown off ?

Sep 17, 2015 | 06:49 AM

Zynthe

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Quote:

Originally Posted by kolyan

No, all stock. I did some quick research, but still unclear....whats the speedometer difference ? and are there any REAL issues with ABS and traction getting thrown off ?

Speedo difference should be minimal. Maybe 5km/h Its not like you're changing rim sizes. Just the side walls of the wheels are smaller. The ride would be a little bumpier as there is less air between the ground and wheels to absorb the impact.