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tire question by mmeyer86gt/gtp
Started on: 04-29-2010 11:55 AM
Replies: 4
Last post by: olejoedad on 04-29-2010 03:23 PM
mmeyer86gt/gtp
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Report this Post04-29-2010 11:55 AM Click Here to See the Profile for mmeyer86gt/gtpClick Here to Email mmeyer86gt/gtpSend a Private Message to mmeyer86gt/gtpDirect Link to This Post
Can you put a 215 65 r15 tire on the rear of a GT? i can find these tires a lot cheaper than at the 60 size. Thanks in advance. These are going on stock diamond spoke 15" rim.
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larini74
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Report this Post04-29-2010 12:05 PM Click Here to See the Profile for larini74Click Here to visit larini74's HomePageClick Here to Email larini74Send a Private Message to larini74Direct Link to This Post
you can put them on, but the tire diameter's difference may cause an issue with the speedometer readings.....
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Arns85GT
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Report this Post04-29-2010 12:51 PM Click Here to See the Profile for Arns85GTClick Here to Email Arns85GTSend a Private Message to Arns85GTDirect Link to This Post
the higher aspect ratio changes your final drive ratio. I've seen them on a car and they frankly look dorky. They give you a tall final gear ratio, but your torque and streetlight performance will be pretty much negatively suffer.

If you want better performance, less strain on the drive train, and just as good gas mileage, go down, not up. Try a 15/55/195.

Arn
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mmeyer86gt/gtp
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Report this Post04-29-2010 01:59 PM Click Here to See the Profile for mmeyer86gt/gtpClick Here to Email mmeyer86gt/gtpSend a Private Message to mmeyer86gt/gtpDirect Link to This Post
i want to keep the 225 or 215 tire size. This is for the rear as i have a set of 205 60 r15.
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olejoedad
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Report this Post04-29-2010 03:23 PM Click Here to See the Profile for olejoedadClick Here to Email olejoedadSend a Private Message to olejoedadDirect Link to This Post
Your 205 - 60 - 15 tires have an OD of 24.7"

the correct size for the rear of your car if it came with 15" wheels is 215 - 60 - 15 which has an OD of 25.2"

The 215 - 65 - 15 has an OD of 26"

A 205 - 65 - 15 tire would have an OD of 25.5", close to what the car came with.
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