Widest Tire On Rear Stock Rims
Hello everyone, Please forgive me if this question was asked previously, as I am still fairly new to this site. :) I have a 2014 Mustang GT/CS with 245/40/19 tires and was wondering what would be the widest I could go on the rear without causing any negative performance issues. I would like to take it up to 265 but not quite sure. I think its a 19x8.5 rim. Thanks very much, Rick |
The tire manufacturers usually have the suggested rim width on their websites for all of their tire sizes. That being said they usually seem to leave some room as well. In my opinion, a 265 would be fine, but there are others on here that are much more knowledgeable on the subject that can hopefully help out.
NT555 Summer Ultra High Performance Tire |
Your stock tires (assuming that's what you still have), are 245/45R19, not 245/40. The Brembo package cars had 255/40R19 on 9" wheels. You can put 275/40R19 on your stock wheels, they will fit and work OK, but that rim width is 1/2" narrower than recommended by most tire manufacturers. 275/40 will match the overall diameter of the 245/45 OEM tires. Unless you are taking the car on a road course and tracking it hard, the 275 won't be an issue for you.
cheers Ed |
Originally Posted by ChadStang
(Post 199067)
The tire manufacturers usually have the suggested rim width on their websites for all of their tire sizes. That being said they usually seem to leave some room as well. In my opinion, a 265 would be fine, but there are others on here that are much more knowledgeable on the subject that can hopefully help out.
NT555 Summer Ultra High Performance Tire |
Originally Posted by fast Ed
(Post 199079)
Your stock tires (assuming that's what you still have), are 245/45R19, not 245/40. The Brembo package cars had 255/40R19 on 9" wheels. You can put 275/40R19 on your stock wheels, they will fit and work OK, but that rim width is 1/2" narrower than recommended by most tire manufacturers. 275/40 will match the overall diameter of the 245/45 OEM tires. Unless you are taking the car on a road course and tracking it hard, the 275 won't be an issue for you.
cheers Ed No plans to track the car just yet, however, you never know. Lol. |
Originally Posted by RickM
(Post 199058)
Hello everyone, Please forgive me if this question was asked previously, as I am still fairly new to this site. :) I have a 2014 Mustang GT/CS with 245/40/19 tires and was wondering what would be the widest I could go on the rear without causing any negative performance issues. I would like to take it up to 265 but not quite sure. I think its a 19x8.5 rim. Thanks very much, Rick If you have stock CS rims then they are 19x9.5. 265 wont be a issue |
Originally Posted by milner_7
(Post 199125)
If you have stock CS rims then they are 19x9.5. 265 wont be a issue
|
Originally Posted by fast Ed
(Post 199079)
Your stock tires (assuming that's what you still have), are 245/45R19, not 245/40. The Brembo package cars had 255/40R19 on 9" wheels. You can put 275/40R19 on your stock wheels, they will fit and work OK, but that rim width is 1/2" narrower than recommended by most tire manufacturers. 275/40 will match the overall diameter of the 245/45 OEM tires. Unless you are taking the car on a road course and tracking it hard, the 275 won't be an issue for you.
cheers Ed :tup:tup:tup X2 what Ed Said. |
Originally Posted by milner_7
(Post 199125)
If you have stock CS rims then they are 19x9.5. 265 wont be a issue
cheers Ed |
Originally Posted by fast Ed
(Post 199134)
Incorrect ... they are 8.5". The Brembo pack wheels are 9", and Boss 302 were staggered 9.0 / 9.5". The only S197 with factory 9.5" all around were the GT-500.
cheers Ed I stand corrected:P |
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