Selected parameters
Model
Sierra
Select Engine Model
L18
L33
L5P - DI, DURAMAX, GEN 5 VAR. 1
L5P - Direct Injection, DURAMAX, GEN 5, VAR 1
L61/LBZ
L83 -Spark Ignited Direct Injection, Variable Valve Timing, AFM, E85 MAX, ALUM
L83 - VVT, Active Fuel Management, Aluminum.
L83 - VVT, AFM (Active Fuel Management), Aluminum
L86 - VVT, AFM, E85 Max, Aluminum.
L87 - DI DFM, ALUM, GEN 5
L92
L96
L96 - E85 MAX, IRON
L96 - Flexible Fuel (Gas/Ethanol), SFI IRON
LB7
LLY
LM2
LM7
LM7 Iron
LML
LML - PTI, DURAMAX
LQ4
LQ4 Iron
LR4
LZ0