RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

What size tires on 18x8 and 18x8.5 5x.114

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Old 08-04-09, 09:33 AM
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robertrios
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Default What size tires on 18x8 and 18x8.5 5x.114

I have decided to put a 2nd set of staggered stock is250 rims onto my 2002 rx300. they are the 5x.114 pattern and are 18x8 front and 18x8.5 rear. What size tires should I buy to minimize any speedometer miscalculations? Is there an easy way to figure this out?
Old 08-04-09, 06:28 PM
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anyone out there an expert in tire sizes?!?! help plz
Old 08-05-09, 08:37 PM
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TunedRX300
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Any wheel calculator on the Internet will help you, key is to have similar diameter for 16" and 18" rims
Old 08-06-09, 08:30 AM
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Yea I called a shop and they recommended 245/55/18 all around...the rx330 uses 235/55/18s all around on the stock 18s though...might go with those wont the 245 be a fatter tire?
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