General Engine Data/Specifications

General Data

Engine Type In-Line-6
Displacement 4.2 L
RPO (VIN Code) LL8
Bore 3.66 inch
Stroke 4.02 inch
Compression Ratio 10:1
Firing Order 1-5-3-6-2-4
Oil Pressure (At the sending unit) Warm- Minimum 12 psi @ 1200 RPM

Spark Plug Gap

Maximum 0.050 inch
Minimum 0.044 inch