General Engine Data

GENERAL ENGINE DATA
Engine Type In-Line-6
Displacement 4.2L (256 cu. in.)
RPO LL8
VIN "S"
Bore 93 mm (3.66 in.)
Stroke 102 mm (4.02 in.)
Compression Ratio 10:1
Engine Compression Test 1482 KPa (215 psi)
Firing Order 1-5-3-6-2-4
Spark Plug Gap 1.07 mm (0.042 in.)