Help choosing tire size - Page 3 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Curtis · 05-28-2015, 03:37 PM

Quote:

Originally Posted by jshadeck

Thanks im happy w it, and you had mentioned you didnt want to mess up the speedo etc. i had square 18x9.5, but w the 8.5 fronts they fit the car better both functionally and form, they are lighter, and i like the flat face front wheel w the concave rear wheel. Keeping the square 255 prevented any issues with getting two different tire sizes to work well together, as well as retaining the square fitment for handling purposes.

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I'm still confused as to what size I need to get to keep my speedo and final drive in place

superpenguin · 05-28-2015, 03:43 PM

Didn't see it mentioned... try http://www.willtheyfit.com/

Input the stock wheel/tire info and your new desired wheel/tire info and it does all those calcs for you.

jshadeck · 05-28-2015, 03:43 PM

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http://tire-size-conversion.com

255/35/18 is a common size and is very close to oem diameter which is why i chose them.

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05-28-2015, 03:43 PM	#30
superpenguin Some Random Join Date: Apr 2015 Drives: 2015 FRS Location: Arizona Posts: 66 Thanks: 6 Thanked 30 Times in 19 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Didn't see it mentioned... try http://www.willtheyfit.com/ Input the stock wheel/tire info and your new desired wheel/tire info and it does all those calcs for you. __________________ "You see, nursie, men love women. But even more than that, men...LOVE...CARS!" - Rush 2015 FRS NASA AZ #550

05-28-2015, 03:43 PM	#31
jshadeck Senior Member Join Date: Nov 2012 Drives: 2013 Scion FR-S Whiteout 6MT Location: carlisle, pa Posts: 773 Thanks: 3 Thanked 221 Times in 163 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	http://tire-size-conversion.com 255/35/18 is a common size and is very close to oem diameter which is why i chose them. Sent from my iPhone using Tapatalk __________________

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