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04 coupe MAX tire width

Old Aug 16, 2009 | 06:18 PM
  #1  
b1gs's Avatar
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Exclamation 04 coupe MAX tire width

ive serached for a definate answer for a while now and cant seem to get a straight answer.

i got a 04 6mt coupe, stock 18" wheels. the dealer told me the wheels are staggered. 18x8 front and 18X8.5 back. i have the 245/45/18 on back but wanna go wider. FIRST, can someone confirm the back wheels are in fact 18x8.5 ( i have seen people say there 8" wide) and if that is true how do i determine how wide i can go safely on a tire , keeping the overal dia. the same ( 255/45/18, 265/40/18,275/35/18, etc..) thanks.
 
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Old Aug 17, 2009 | 03:48 AM
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the rears are 8" and 245 is the widest you should go
 
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Old Aug 17, 2009 | 12:19 PM
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From: Philly burbs
Wheels are 18"x8" all around. Only the tires are staggered. I would 2nd redlude's recommendation - 245 is the widest I would go.

BTW, you can see the specs for the car here:
http://www.infinitihelp.com/models/2...ifications.htm

To determine overall diameter of various tire combos, look here:
http://www.miata.net/garage/tirecalc.html
 
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