tire size interchange

[Frank Zabski]

All:



I have an 07 ST with 235/65/18 tires. I was given a set of 255/70/18 from someone who bought a new truck but wanted different tires. Will these work on the ST with no problems.



Best I can figure is they are a bit narrower and a bit taller then the factory specs.



Thanks in advance.

 

[swshawaii]

Specification Sidewall Radius Diameter Circumference Revs/Mile Difference

235/65-18 6.0in 15.0in 30.0in 94.3in 672 0.0%

255/70-18 7.0in 16.0in 32.1in 100.7in 629 6.8%

 

[Frank Zabski]

Thanks SWS...being stupid here but will these tires work on the sport trac without any issues or is it something that I'm just going to have to try out?

 

[swshawaii]

The only issues may be the 2.1" larger diameter and revolution difference.

Turn the steering wheel to lock and check for clearance. Is 235/65-18 stock?

 

[Frank Zabski]

235/65 -18 is stock. When you say lock, you mean the steering wheel all the way over to left or right?

 

[swshawaii]

235/65 -18 is stock. When you say lock, you mean the steering wheel all the way over to left or right?

Yes. :supercool:

 

[EddieS'04]

What is the width and offset of your 18" wheels. That will also matter on clearance.

Over all though at stock hieght. 2" taller might be a problem anyway.

 

[Scott Doughtie]

Love 275/55/18's.



:banana:

 

[Frank Zabski]

I've ruled out these tires. Thank you for all your responses.

 

[Johnny O]

I've ruled out these tires. Thank you for all your responses.

Okay. I'm thinking they'd rub unless you added the Truxx spacer lift.