Here is a quick list of the differences between 1990 and 1991 DSM's.
-CAS
-Fuel rail slightly different
-Throttle body and TB sensors
-Coil pack
-LICP is a little different
-BOV orientation is different as the 90 BOV faces up
-Cruise control is located where ABS module is on 91-94 dsm's
-Power transistor
-ECU (pin layout is different)
-Gauge cluster (different MPH readings)
-22 spline output shaft in transmission
-22 spline all aluminum transfer case
-Water pipe
-OFH
-Factory oil cooler
-The shifter base, cables, brackets.
-CAS
-Fuel rail slightly different
-Throttle body and TB sensors
-Coil pack
-LICP is a little different
-BOV orientation is different as the 90 BOV faces up
-Cruise control is located where ABS module is on 91-94 dsm's
-Power transistor
-ECU (pin layout is different)
-Gauge cluster (different MPH readings)
-22 spline output shaft in transmission
-22 spline all aluminum transfer case
-Water pipe
-OFH
-Factory oil cooler
-The shifter base, cables, brackets.
Fri Oct 30, 2015 9:31 pm by AJracer33a
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