S stang9300 New Member Jan 14, 2004 111 0 0 North Carolina Jan 14, 2004 #1 Jan 14, 2004 #1 I was wondering if anyone knew how to re-calibrate the speedometer of a 200 GT with a automatic AODE transmission after change the final gears to 4.10's.
I was wondering if anyone knew how to re-calibrate the speedometer of a 200 GT with a automatic AODE transmission after change the final gears to 4.10's.
G GinoGT Founding Member Aug 11, 2002 1,862 0 36 Jan 14, 2004 #2 Jan 14, 2004 #2 Either a chip for your ECU or a programmer. No speedcals for autos.