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  1. N

    Diff free play

    Noticed when checking diff lube that the driveshaft will rotate about 1/2 “ against the ring gear. 2019 3500 with 30 k on it. This seems excessiv, anyone have the same or advice? Thanks
  2. N

    Delete with emissions EFI tune

    Have Idaho Robs emissions compliant EFI tune on my 2009 lmm, thinking of deleting, will the tune work if I select the off road selection and reload over the original? Are all his tunes double duty or is there only one tune on the Autocal? Thanks