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Sedans Lexus IS Lexus IS Tires and Wheels
76 messages, Last post on Oct 13, 2009 at 9:47 AM
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Can anyone tell me that after you replace the original tires on a rear wheel IS250 if the replacement tires can be the same size to facilitate tire rotation. I don't think it can but my lexus salesman is insisting they can be rotated when you put same size tires on. he acknowledges the wheels are bigger in the back but says you can put the same size tires as the front! Thanks, Tony
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Replying to: tonyguy2000 (May 11, 2006 7:39 pm) |
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Replying to: kominsky (May 11, 2006 8:30 pm) |
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Replying to: tonyguy2000 (May 11, 2006 9:37 pm) Hope this help.
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Replying to: from_fl (May 12, 2006 3:49 am) |
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Replying to: tonyguy2000 (May 11, 2006 9:37 pm) Reasons for not doing it: 1. Technically a 225/40 should be run on a rim width of 7"-8", so you'd be outside spec on the rears 2. 225/40-18 (front) gives you an outside diameter of 25"; 255/40-18 (rear) gives you an OD of 26.1" - your suspension is set up for this 1" difference, even with the 17" wheels (though the difference there is more like .75"), and running the shorter, not just narrower, rubber in the back will make a dent in driving characteristics 3. Least important, but still annoying, it will look somewhat like you are running on spare tires in the back - it will look silly. The staggered set-up works. The car has been designed that way. I suggest knuckling under and living with a tire purchase every 15-17K miles if you're dainty, and 10-14K miles if you're actually driving the car! I get new rubber every 13K miles on average. Based on sheer driving pleasure, it's worth it. Well worth it.
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Replying to: tonyguy2000 (May 11, 2006 7:39 pm) I still wouldn't do it based on the other criteria, especially the handling/performance criterion. |
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Replying to: wale_bate1 (May 12, 2006 6:59 am) Thats the answer I was looking for, I appreciate the full explanation. Thanks again.
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Replying to: tonyguy2000 (May 12, 2006 1:06 pm) Another thought popped in here: the offset on the 8.5" rears, in order to carry the 255mm rubber without sticking out of the wells, is likely greater than the fronts. If too much moreso than the fronts, the tires will rub inside the wells at full crank. OTOH, if too little, the rims up front might actually stick out of the wells just a touch. Gives that oh-so-sophistcated air of an '84 Camaro from Compton. Mmmmm, tasty! ;-] |
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