General

Engine

Vehicles with 4.2L engine Engines with supercharger
The 4.2L engine with supercharger consists of:

^ an eight cylinder 90 degree 'Enclosed V' configuration liquid cooled aluminum cylinder block with dry cast liners
^ pistons of open-ended skirt design, with two compression rings and a compact two piece oil control ring
^ two aluminum cylinder heads, each incorporating two hollow camshafts manufactured in chilled cast iron
^ four valves per cylinder
^ aluminium tappets and top mounted shims
^ valve covers manufactured from Thermoplastic
^ fuel injectors each with twelve holes
^ engine front cover manufactured from aluminum which accommodates the crankshaft front oil seal
^ multi row primary and single row secondary chains drive the camshafts of each cylinder bank
^ an aluminum bed plate
^ oil spray jets in each cylinder bore
^ a cast iron crankshaft
^ fracture-split connecting rods in sintered-forged steel
^ brackets bolted to the front of the cylinder block which are used to mount all accessories
^ a single, multi-vee belt which drives the front end accessories
^ stainless steel exhaust manifolds
^ an advanced engine management system incorporating electronic throttle control.
^ the requirements of the CARB OBDII USA legislation.

The engine number is stamped onto the engine block adjacent to the thermostat housing.