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3.73 question

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  • 3.73 question

    ok i had the 3.73 gear swap done and on the highway im getting a p1870 code... trans component slip. i was warned by someone on the DHP forum that this code could show up from the swap without correct adjustments in the PCM. now i could just diable the code and prevent the computer from entering a limp mode, but would like to get it adjusted correctly....

    Now i have the following options as for adjusting for this:
    i can adjust the Drive_sproket_Ratio (value of 1.78 as told that the pcm doubles the true value so it would be .89)
    or i can adjust the Calculated_Pulses_per_revolution (value is 33.64 pulses/rev)

    the original gearing was the 3.43 and now it is 3.73. any help or insite would be great.

  • #2
    think i got it worked out... adjusted the cal_puls_per_rev and it seems fine... will have to wait and see though...

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