Newb question about tire sizes and lifts.

KYRubi

New member
Any thoughts on tuners/programmers? Im reading people getting real close to their original mpg and power with those. Going to be doing a lot of traveling so 35s will be the max I go with. I also have the new 3.6. 2015 JKUS

I know the programming on the 3.6 and new transmission is trickier, but I don't actually have any experience with it. My friend with the 2013 hasn't reprogrammed his for his bigger tires and has to let off the accelerator a bit to get it to shift. I can't believe he actually puts up with that. I reprogrammed mine immediately, especially since I switched gears.

I'm always skeptical of anyone who says they get their full power and mpg back from a computer flash when they go to considerably bigger, heavier tires. If you could increase both mpg and power with a flash, the manufacturer would be doing it already. Reprogramming can definitely help though and I highly recommend it.
 
Top Bottom