coldfront Posted April 24, 2008 Report Share Posted April 24, 2008 How many have switched to the 3.73 gear ratio? What did you do to correct the speedometer? Link to comment Share on other sites More sharing options...
cobraracing Posted April 24, 2008 Report Share Posted April 24, 2008 You need to reprogram the PCM with a tuner. (SCT, diablo etc.) Link to comment Share on other sites More sharing options...
Red Snake Posted April 24, 2008 Report Share Posted April 24, 2008 Just recently switched to 3:73 and FRPP CAI. You have to do the CAI same time you do the gears to adjust the PCM/ speedometer. Link to comment Share on other sites More sharing options...
gassman Posted April 24, 2008 Report Share Posted April 24, 2008 Just recently switched to 3:73 and FRPP CAI. You have to do the CAI same time you do the gears to adjust the PCM/ speedometer. Not to highjack, but how much of a difference do you feel after the gear swap? Link to comment Share on other sites More sharing options...
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