L20B
2.0L I4 ENGINE CODE
720
Truck Reg Cab 2WD/4WD S/B 1980
Truck Reg Cab 2WD/4WD L/B 1980
Truck King Cab 2WD/4WD S/B 1980
Z20S
2.0L I4 ENGINE CODE
720
Truck Reg Cab 2WD S/B 83.5-84
Z22
2.2L I4 ENGINE CODE
720
Truck Reg Cab 2WD/4WD S/B 81-83.5
Truck Reg Cab 2WD/4WD L/B 81-83.5
Truck King Cab 4WD S/B 81-83.5
Z24
2.4L I4 ENGINE CODE
720
Truck Reg Cab 2WD/4WD S/B 83.5-86
Truck Reg Cab 2WD/4WD L/B 83.5-86
Truck King Cab 2WD/4WD S/B 83.5-86
Z24i
2.4L I4 ENGINE CODE
720
Truck Reg Cab 4WD S/B 1986
Truck Reg Cab 4WD L/B 1986
Truck King Cab 4WD S/B 1986
SD22
2.2L I4 DIESEL ENGINE CODE
720
Truck Reg Cab 2WD S/B 82-83.5
Truck Reg Cab 2WD L/B 82-83.5
Truck King Cab 2WD S/B 82-83.5
SD23
2.5L I4 DIESEL ENGINE CODE
720
Truck Reg Cab 2WD S/B 83.5-86
Truck Reg Cab 2WD L/B 83.5-86
Truck King Cab 2WD S/B 83.5-86