6-6 Engine Mechanical 8.1L
Engine
Engine Mechanical Specifications (cont’d) Maximum Valve Spring Installed Height Shim (Service Only)
0.726 mm
0.030 in
Maximum Valve Spring Tension Shim (Service Only)
0.726 mm
0.030 in
1.524 mm
0.060 in
Maximum Combined Valve Spring Installed Height and Valve Spring Tension Shim
GM SPO Group Numbers Application
GM SPO Group Number
Camshaft
0.519
Camshaft Sprocket
0.736
Camshaft Timing Chain
0.724
Crankshaft
0.646
Crankshaft Bearing Kit
0.096
Crankshaft Sprocket
0.728
Connecting Rod
0.603
Cylinder Head
0.269
Cylinder Head Gasket Kit
0.289
Camshaft Positioin Sensor Gasket Kit
2.363
Exhaust Gas Recirculation (EGR) Valve
3.670
EGR Valve Gasket
3.680
Exhaust Manifold
3.601
Exhaust Manifold Gasket
3.270
Engine Front Cover
0.206
Engine Front Cover Gasket
0.207
Intake Manifold (with gasket)
3.265
Oil Filter
1.836
Oil Level Indicator
1.516
Oil Pan
1.426
Oil Pan Gasket
1.429
Oil Pump Cover
1.723
Oil Pump Cover Gasket
1.724
Oil Pump (with gasket)
1.652
Piston Ring Kit
0.643
Spark Plug
2.270
Valve Lifter
0.459
Thermostat
1.246
Valve Pushrod
0.426
Valve Rocker Arm
0.333
Valve Rocker Arm Cover Gasket Kit
0.423
Water Pump Kit (with gasket)
1.069
2001 Marine/Industrial
