Changing tires size and fixing speedo?

[Richard Kolb]

So if I change from 235 series to 265 series on the ST what options to I have to fix the speedo? Just a reprogram or is there a cheaper option out there for us poor folk?

 

[Richard Kolb]

Nothing? If I change the size I'm SOL?

 

[Scott Tanner]

i went from 235's to 265, now my speedo reads right on.... used to read 4-5 mph fast.... according to the local police radar reminder sled... may not be an issue... '02 2wd

 

[Todd Cloutier]

I used my Xcal2 to reprogram the speedo. I went from the stock 255/70R16 to 265/75R16.

 

[Johnny O]

I went from 235/70's to 265/75's and I just allow that I'm going about 5 mph faster than the speedo says. This is confirmed by the "radar sleds" at the toll booths (thanks, I always wondered what thoe things were called).

 

[Richard Kolb]

I was under the impression there was a gear you could swap also. Do we have that speedo or is that only in the Rangers or before our years?

 

[Hal S]

It's a simple matter of reprograming the system.

Takes all of 5 min.

 

[Todd Cloutier]

The Sport Trac's system is electronic. You can probably have the service dept at the dealer reprogram the computer, but they will probably charge you a bit of $$.

 

[Kevin Long]

As far as I know, Adrenalins don't have anything different as far as gears that run the speedo, and they come stock with 265's. So the reprograming is the solution.