Tazer and 38”-40” tires

[Flexin]

Since moving to 38” tires, 13.5” wide, I have stock gearing with Rubicon 4.10 axel, I don’t automatically hit 8th gear often. I can manually shift into 8 and I see my MPG go up. For anyone using a Tazer, specifically did your shift points adjust? Thanks for the help.

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[Flexin]

I got a response from Ian S. at Z Automotive. He confirmed the shift points would change based on tire size.