Wheel & Tire woes for 2018 Ecoboost - Ford Mustang Forum
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post #1 of 6 (permalink) Old 4 Weeks Ago Thread Starter
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Wheel & Tire woes for 2018 Ecoboost

My new 2018 Ecoboost came with 18" wheels and Goodyear Eagles. The handling is great but it rides like an industrial fork lift and the road noise is deafening. Can I change to wheels and tires that have more tire and less wheel? Owners manual and the shop manual both say NO, but no explanation offered as to why not. I would like to use either smaller wheels and tires with more sidewall like 17" wheels with 235/55/R17 tires (same net diameter) or keep the 18" wheels but go with 235/55/R18 tires instead of the stock 235/50/R/18 tires (1" more net diameter) and re-calibrate the speedometer. Thoughts? Has anyone experienced the same thing? Thanks!

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post #2 of 6 (permalink) Old 4 Weeks Ago
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If Ford said NO, changing stock rims/tires would probably void parts of your warranty. Of course I'm only guessing these were the original stock rims/tires. Double check the door stickers for the factory approved tire & rim sizes.

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post #3 of 6 (permalink) Old 4 Weeks Ago
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The base wheel on the Ecoboost Mustang is 17" with 235/55-17 tires. These will fit fine.

I have had two Ecoboost Mustangs with the Performance Package which comes with 255/40-19 wheels (same 27" overall diameter) and find the ride to be remarkably smooth and quiet. On the 15 i used 225/55-18 winter tires and did not find them to ride any better than the 19s.

I would look at a different tire before investing in tires and wheels. Tire Rack rates tires for noise and comfort that would be the place to start.

Dave
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post #4 of 6 (permalink) Old 4 Weeks Ago
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Quote:
Originally Posted by BogWolf View Post
My new 2018 Ecoboost came with 18" wheels and Goodyear Eagles. The handling is great but it rides like an industrial fork lift and the road noise is deafening. Can I change to wheels and tires that have more tire and less wheel? Owners manual and the shop manual both say NO, but no explanation offered as to why not. I would like to use either smaller wheels and tires with more sidewall like 17" wheels with 235/55/R17 tires (same net diameter) or keep the 18" wheels but go with 235/55/R18 tires instead of the stock 235/50/R/18 tires (1" more net diameter) and re-calibrate the speedometer. Thoughts? Has anyone experienced the same thing? Thanks!
Did you test drive it before you bought it? If so, why did you buy it if you hated the ride and noise? And if no, why not?

It seems to me that you made a mistake buying a car you were not completely satisfied with in the first place.
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post #5 of 6 (permalink) Old 4 Weeks Ago
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Nice reply GT’sGT. The guy was just asking for advice, not a butt chewing. Lighten up.
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post #6 of 6 (permalink) Old 4 Weeks Ago
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