Application
| Specification
|
Metric
| English
|
General
|
|
| 90 degree V6
|
|
| 4.3 L
| 262 CID
|
|
| LU3
|
|
| X
|
|
| 101.60 mm
| 4.012 in
|
|
| 88.39 mm
| 3.480 in
|
|
| 9.2:1
|
|
| 1-6-5-4-3-2
|
|
| 1.52 mm
| 0.060 in
|
Balance Shaft
|
- Bearing Journal Diameter - Rear
| 38.085-38.100 mm
| 1.4994-1.500 in
|
- Bushing Bore Diameter - Rear
| 0.050-0.088 mm
| 0.0020-0.0035 in
|
Block
|
- Crankshaft Main Bearing Bore Out-of-Round
| 0.050 mm
| 0.002 in
|
|
| 101.618-101.643 mm
| 4.0007-4.0017 in
|
- Cylinder Bore Out-of-Round - Production
| 0.017 mm
| 0.0007 in
|
- Cylinder Bore Out-of-Round - Service
| 0.05 mm
| 0.002 in
|
- Cylinder Bore Taper - Production Relief Side
| 0.025 mm
| 0.0010 in
|
- Cylinder Bore Taper - Production Thrust Side
| 0.012 mm
| 0.0005 in
|
- Cylinder Bore Taper - Service
| 0.025 mm
| 0.0010 in
|
- Cylinder Head Deck Surface Flatness
| 0.050-0.152 mm
| 0.002-0.006 in
|
Camshaft
|
|
| 0.0254-0.2286 mm
| 0.0010-0.0090 in
|
- Camshaft Journal Diameter
| 47.440-47.490 mm
| 1.8677-1.8696 in
|
- Camshaft Journal Out-of-Round
| 0.008 mm
| 0.0003 in
|
- Camshaft Lobe Lift - Exhaust
| 7.0953 mm
| 0.2793 in
|
- Camshaft Lobe Lift - Intake
| 6.8678 mm
| 0.2704 in
|
|
| 0.100 mm
| 0.0039 in
|
Connecting Rod
|
- Connecting Rod Bearing Clearance - Production
| 0.038-0.078 mm
| 0.0015-0.0031 in
|
- Connecting Rod Bearing Clearance - Service
| 0.025-0.063 mm
| 0.0010-0.0025 in
|
- Connecting Rod Side Clearance
| 0.15-0.44 mm
| 0.006-0.017 in
|
Crankshaft
|
- Connecting Rod Journal Diameter
| 57.116-57.148 mm
| 2.2487-2.2497 in
|
- Connecting Rod Journal Out-of-Round - Production
| 0.008 mm
| 0.0003 in
|
- Connecting Rod Journal Out-of-Round - Service
| 0.025 mm
| 0.0010 in
|
- Connecting Rod Journal Taper - Production
| 0.010 mm
| 0.0004 in
|
- Connecting Rod Journal Taper - Service
| 0.025 mm
| 0.0010 in
|
|
| 0.050-0.20 mm
| 0.002-0.008 in
|
- Crankshaft Main Bearing Clearance #1 - Production
| 0.02-0.05 mm
| 0.0008-0.0020 in
|
- Crankshaft Main Bearing Clearance #2, #3, and #4 - Production
| 0.028-0.058 mm
| 0.0011-0.0023 in
|
- Crankshaft Main Bearing Clearance #1 - Service
| 0.0254-0.05 mm
| 0.0010-0.0020 in
|
- Crankshaft Main Bearing Clearance #2, #3, and #4 - Service
| 0.025-0.063 mm
| 0.0010-0.0025 in
|
- Crankshaft Main Journal Diameter #1
| 62.199-62.217 mm
| 2.4488-2.4495 in
|
- Crankshaft Main Journal Diameter #2 and #3
| 62.191-62.215 mm
| 2.4485-2.4494 in
|
- Crankshaft Main Journal Diameter #4
| 62.179-62.203 mm
| 2.4480-2.4489 in
|
- Crankshaft Main Journal Out-of-Round - Production
| 0.005 mm
| 0.0002 in
|
- Crankshaft Main Journal Out-of-Round - Service
| 0.025 mm
| 0.0010 in
|
- Crankshaft Main Journal Taper
| 0.007 mm
| 0.0003 in
|
Exhaust Manifold
|
- Surface Flatness - Flange to Flange
| 0.25 mm
| 0.010 in
|
- Surface Flatness - Individual Flange
| 0.05 mm
| 0.002 in
|
Intake Manifold
|
|
| 0.10 mm
| 0.004 in
|
Lubrication System
|
|
| 4.3 L
| 4.5 qt
|
- Oil Capacity without Filter
| 3.8 L
| 4 qt
|
- Oil Pressure - at 1,000 RPM
| 42 kPa
| 6 psi
|
- Oil Pressure - at 2,000 RPM
| 125 kPa
| 18 psi
|
- Oil Pressure - at 4,000 RPM
| 166 kPa
| 24 psi
|
Piston Rings
|
- Piston Ring End Gap - First Compression Ring - Production
| 0.25-0.40 mm
| 0.010-0.016 in
|
- Piston Ring End Gap - Second Compression Ring - Production
| 0.38-0.58 mm
| 0.015-0.023 in
|
- Piston Ring End Gap - Oil Control Ring - Production
| 0.25-0.76 mm
| 0.010-0.029 in
|
- Piston Ring End Gap - First Compression Ring - Service
| 0.25-0.50 mm
| 0.010-0.020 in
|
- Piston Ring End Gap - Second Compression Ring - Service
| 0.38-0.80 mm
| 0.015-0.031 in
|
- Piston Ring End Gap - Oil Control Ring - Service
| 0.005-0.090 mm
| 0.0002-0.0035 in
|
- Piston Ring to Groove Clearance - First Compression Ring -
Production
| 0.030-0.070 mm
| 0.0012-0.0027 in
|
- Piston Ring to Groove Clearance - Second Compression Ring -
Production
| 0.076-0.280 mm
| 0.0030-0.0110 in
|
- Piston Ring to Groove Clearance - Oil Control Ring - Production
| 0.046-0.196 mm
| 0.0018-0.0077 in
|
- Piston Ring to Groove Clearance - First Compression Ring -
Service
| 0.030-0.085 mm
| 0.0012-0.0033 in
|
- Piston Ring to Groove Clearance - Second Compression Ring -
Service
| 0.030-0.085 mm
| 0.0012-0.0033 in
|
- Piston Ring to Groove Clearance - Oil Control Ring - Service
| 0.076-0.200 mm
| 0.0030-0.0079 in
|
Pistons and Pins
|
- Piston - Piston to Bore Clearance - Production
| 0.018-0.061 mm
| 0.0007-0.0024 in
|
- Piston - Piston to Bore Clearance - Service
| 0.075 mm
| 0.0029 in
|
- Pin - Piston Pin Clearance to Connecting Rod Bore - Press
Fit
| 0.012-0.048 mm
| 0.0005-0.0019 in
|
- Pin - Piston Pin Clearance to Piston Pin Bore - Production
| 0.013-0.023 mm
| 0.0005-0.0009 in
|
- Pin - Piston Pin Clearance to Piston Pin Bore - Service
| 0.025 mm
| 0.0010 in
|
- Pin - Piston Pin Diameter
| 23.545-23.548 mm
| 0.9270-0.9271 in
|
Valve System
|
- Valves - Valve Face Angle
| 45 degrees
|
- Valves - Valve Seat Angle
| 46 degrees
|
- Valves - Valve Seat Runout
| 0.05 mm
| 0.002 in
|
- Valves - Valve Seat Width - Intake
| 1.016-1.651 mm
| 0.040-0.065 in
|
- Valves - Valve Seat Width - Exhaust
| 1.651-2.489 mm
| 0.065-0.098 in
|
- Valves - Valve Stem Oil Seal Installed Height
| 1-2 mm
| 0.03937-0.07874 in
|
- Valves - Valve Stem-to-Guide Clearance - Intake -
Production
| 0.025-0.069 mm
| 0.0010-0.0027 in
|
- Valves - Valve Stem-to-Guide Clearance - Intake -
Service
| 0.025-0.094 mm
| 0.0010-0.0037 in
|
- Valves - Valve Stem-to-Guide Clearance - Exhaust -
Production
| 0.025-0.069 mm
| 0.0010-0.0027 in
|
- Valves - Valve Stem-to-Guide Clearance - Exhaust -
Service
| 0.025-0.094 mm
| 0.0010-0.0037 in
|
- Rocker Arms - Valve Rocker Arm Ratio
| 1.5:1
|
- Valve Springs - Valve Spring Free Length
| 51.3 mm
| 2.02 in
|
- Valve Springs - Valve Spring Installed Height - Intake
| 42.92-43.43 mm
| 1.670-1.700 in
|
- Valve Springs - Valve Spring Installed Height - Exhaust
| 42.92-43.43 mm
| 1.670-1.700 in
|
- Valve Springs - Valve Spring Load - Closed
| 338-374 N @ 43.2 mm
| 76-84 lb @ 1.70 in
|
- Valve Springs - Valve Spring Load - Open
| 832-903 N @ 32.3 mm
| 187-203 lb @ 1.27 in
|
