Upgrade factory 18inch wheels

[newdude]

8 hours ago, Lion82 said:

What is the worst that would happen if I do not recalibrate? Will the truck give any warnings or problems?


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Speedo will be off for sure.  Not sure how the safety features would react that use the cameras if you have any of those.  

[Thomcat]

8 hours ago, Lion82 said:

What is the worst that would happen if I do not recalibrate? Will the truck give any warnings or problems?


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Ride should be fine provided you don't choose a size where the tire will rub in the wheel well, or a wheel with an offset that will contact the brake caliper.. Speedometer would be  inaccurate; odometer would be inaccurate which if just under the max mileage for warranty expiration, e.g 35/49K miles would be basis for denying the claim; OLM would be inaccurate.

 

Part of the dealer install of the 22's was to recalibrate the ECM for the 275/R22 50s - dead on when using highway mile markers and roadside radar speed warning signs.

 

 

 

[Lion82]

Thank you all for the info. How is everyone recalibrating their ECM? Purchasing the hyper tech for a one off use does not seem cost effective for me.


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