This is topic 2012 5.0 Speedometer Calibration in forum Tech Talk at Northern California Ford Owners  .


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Posted by CoyoteCoupe (Member # 9621) on :
 
My 2012 currently has 3.31 gears in the rear, I'm thinking about putting in a set of 3.73s. It's a 6 speed, how would I recalibrate the speedometer?
 
Posted by 5.0 LsX (Member # 10017) on :
 
should be able to do it electronically in a tuning program
 
Posted by CoyoteCoupe (Member # 9621) on :
 
So I would need a tuning program? Does anybody know where I can get it? Thanks!
 
Posted by Vallejo707 (Member # 10296) on :
 
SCT SF3/X3 tuner ....

Buy @ : americanmuscle.com ebay.com etc
 
Posted by CoyoteCoupe (Member # 9621) on :
 
Since 3.73s were a option, can't I just take it to the dealership.
 
Posted by blown95svt (Member # 8893) on :
 
quote:
Originally posted by CoyoteCoupe:
Since 3.73s were a option, can't I just take it to the dealership.

Yes you can reflash it to a stock gear ratio. They may charge you 140$ or so. Or you can put that towards a tuner. If your ever near the auburn or Roseville area I can do this for a small fee. Like beer! Pm me if your intrested.
 
Posted by CoyoteCoupe (Member # 9621) on :
 
PM sent
 




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