Willys Shift Points & Tires

[Cripton805]

I've wondered if Jeep corrected the speedo and shift points for the Willys Auto for the 32s Mud Terrain Tires.

Does anyone know for sure? I feel like my speedo reads a few MPH high and my MPG is also slightly off.

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[sass JT]

Probably not

 

[ShadowsPapa]

I've wondered if Jeep corrected the speedo and shift points for the Willys Auto for the 32s Mud Terrain Tires.

Does anyone know for sure? I feel like my speedo reads a few MPH high and my MPG is also slightly off.

Grab a GPS or GPS app on your phone (with phone not connected to the truck) and test it yourself.
Use the ODOMETER, not the speedometer. Drive 20 miles, use your trip counter and see if the GPS agrees with your odometer.

It's not the shift points that needs correcting, it's the tire size setting that determines that sort of thing and the only accurate way is by comparing distance driven - your odometer to a GPS or phone app.

 

[NC_Overland]

I've wondered if Jeep corrected the speedo and shift points for the Willys Auto for the 32s Mud Terrain Tires.

Does anyone know for sure? I feel like my speedo reads a few MPH high and my MPG is also slightly off.

My overland came with 32.2” tires. Bigger than your Willys. The Rubicon tires are .4” larger. The base model Sport tires are tiny, but I don’t remember the size. You really think that’s not accounted for? Do you realize how many different spring rates there are even within the same trim level, but based on the options selected within that trim level? Of course it’s accounted for.

Btw, your MPG will pick up a lot once your engine is fully broken in. You need to either take it on a few road trips or run the shit out of it. Mine literally picked up several mpg after it finally broke in about 15k miles. That’s when I went from several mpg under the epa ratings to getting the epa ratings.

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