Does anyone have recomendations for the best Superchip settings for a JK with automatic transmission, 35X12.50 tires & 4:10 gears to get the most horsepower, fuel economy, and shifting?

Any other insights for performance improvement would be appreciated.


Thanks

 

Set it to 5.13 gears, then go have them installed...

For the tune, 87 and tow seem to be the most popular, but try several and see which works best for you.

 

I Just ordered superchips today. I hear 87 on tow is a happy medium. I love to burn gas with my jk but not paying for 93 ALL the time.

 

I haven't changed my gears yet and I have the best luck on the "towing" tune with 87 octane gas. It seems to get the better mileage with that setting than the 87 or mileage tunes. I never could tell a difference in the mileage tune versus the 87 tune.