'06 Rear Stock Rims: Tires 245/40r18 -> 255/40r18
#1
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'06 Rear Stock Rims: Tires 245/45r18 -> 255/40r18
Came back from the shop. Fitted 255/40R18 on my stock rims. OEM was 245/45R18... What's the difference on mileage?
245 x .45 = 110.25
255 x .40 = 102.00
Difference of 7.75
http://www.miata.net/garage/tirecalc.html
(STOCK VS NEW Tire Size)
Speedo Speed = 60mph
Actual Speed = 58.5mph
2.4% Too Fast
245 x .45 = 110.25
255 x .40 = 102.00
Difference of 7.75
http://www.miata.net/garage/tirecalc.html
(STOCK VS NEW Tire Size)
Speedo Speed = 60mph
Actual Speed = 58.5mph
2.4% Too Fast
Last edited by A06ZRT; 05-21-2007 at 05:43 PM.
#4
Originally Posted by RedlineNismo
Is 275/40R18 the widest tire that can fit on the stock 06 rear rims 18x8.5? If so, does it require any fender rolling if the car is lowered 1.5"?
look ...mine is stock with 275/40/18
#5
That looks great! Thanks for the pic. I have been looking all over to see what the widest tire size is I can put on the stock rear rims. I have not lowered the car as yet, I am planning to. What size do you have on the front?
#6
Originally Posted by RedlineNismo
That looks great! Thanks for the pic. I have been looking all over to see what the widest tire size is I can put on the stock rear rims. I have not lowered the car as yet, I am planning to. What size do you have on the front?
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