RPO  | VIN  | Displacement  | Camshaft Position (CMP) Actuator Control System  | Active Fuel Management Control System  | E85 Capable  | Block Material  | 
|---|---|---|---|---|---|---|
LY2  | C  | 4.8L  | No  | No  | No  | Iron  | 
LC9  | 3  | 5.3L  | No  | Yes  | Yes  | Aluminum  | 
LY5  | J  | 5.3L  | No  | Yes  | No  | Iron  | 
LMG  | 0  | 5.3L  | No  | Yes  | Yes  | Iron  | 
LY6  | K  | 6.0L  | Yes  | No  | No  | Iron  | 
L76  | Y  | 6.0L  | Yes  | Yes  | No  | Aluminum  | 
L92  | 8  | 6.2L  | Yes  | No  | No  | Aluminum  |