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Thread: tire size change in jtec+

  1. 02-01-2024 #1
    jbliss15
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    tire size change in jtec+

    the only thing i see for speedo adjustment, it says factor max and factor min.

    anyone know what this is?
    2000 Dakota R/T
    gt45
    42lb
    honda map
    10psi
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  2. 02-01-2024 #2
    joefus25
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    Most older mopars change speedo through ABS module. Need a Snap on or something else to set "Pinion Factor"
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