I have a 2011 screw 5.0 and want a programmer to adjust the odometer because of bigger tires I put on. Also I want to adjust other things like performance. My dealer wanted to get me a superchip for 300. Which should I go with? I put 33.4 diam tires and the ford reprogram has it off a bit causing my Odom to move faster.

 

https://www.f150online.com/forums/ch...unes-read.html

 

Sct sf3....

 

https://www.f150online.com/forums/ch...ogrammers.html

 

I sent you a PM

 

Ok, haven't been on for a a while, I just purchased a diablo sport in-tune i1000. Dealer installed it and reprogrammed the speedo and odom for the tires I have. Also went with the 87 octane tune. Started driving and noticed the odometer is still adding up fast. With the correct settings on this programmer, is it the real miles i'm driving? I'm just confused because i never really had miles on my truck untill oct 12 when I installed the tires and lift.Then I noticed a lot of miles adding. Need help!

 

Again, Is google maps accurate with distances? Like how many miles to somewhere?

 

The most accurate way is drive on the Interstate and compare the odo to the mileposts. Drive 10 miles or more. The most accurate way to check the speedo is with a GPS.

 

Ok ill do that. If it's off, is it the programmer or tires?

 

You adjust the tire setting in the programmer until the speedo is very close to or matches the GPS

 

Larger tires will make the speedo and odo read low, not fast.

 

Checked the mile markers on the road, Its very close. So the programmer worked. Case closed. Its helping my gas mileage and hp as well.