Overhaul Specifications
| General Data | Engine Type | 60° V-6 |
| Displacement | 204 cu in | |
| RPO - VIN Code | LA1(E) | |
| Bore | 3.62 inch | |
| Stroke | 3.31 inch | |
| Compression Ratio | 9.6:1 | |
| Firing Order | 1-2-3-4-5-6 | |
| Oil Pressure - Warm | 15 psi @ 1100 RPM | |
| Cylinder Bore | Diameter | 3.6228 - 3.6235 inch |
| Out Of Round Maximum | 0.00035 inch | |
| Taper-Thrust Side Maximum | 0.0004 inch | |
| Piston - non-coated | Diameter-Gaged on the skirt 50 mm (0.02 inch) from the top of piston - production | 3.6215 - 3.222 inch |
| Diameter-Gaged on the skirt 50 mm (0.02 inch) from the top of piston - service limit | 3.620 - 3.621 inch | |
| Clearance - production | 0.0006 - 0.0020 inch | |
| Clearance - service limit | 0.0019 - 0.0033 inch | |
| Pin Bore | 0.9057 - 0.9059 inch | |
| Piston - Grafal coated | Diameter-Gaged on the skirt 50 mm (0.02 inch) from the top of piston production - | 3.6217 - 3.6232 inch |
| Diameter-Gaged on the skirt 50 mm (0.02 inch) from the top of piston - | 3.6201 - 3.6216 inch | |
| Clearance - production | 0.00031 - 0.0019 inch | |
| Clearance - service limit | 0.0013 - 0.0035 inch | |
| Pin Bore | 0.9057 - 0.9059 inch | |
| Piston Ring | Top Groove Side Clearance | 0.002 - 0.0034 inch |
| Second Groove Side Clearance | 0.002 - 0.0035 inch | |
| Top Ring Gap | 0.008 - 0.019 inch | |
| Second Ring Gap | 0.0213 - 0.0339 inch | |
| Oil Ring Groove Clearance | 0.0018 - 0.0079 inch | |
| Gap in Cylinder Bore | 0.012 - 0.035 inch | |
| Piston Pin | Diameter | 0.9053 - 0.9054 inch |
| Clearance in Piston | 0.00031 - 0.00063 inch | |
| Fit In Rod | -0.0019 to -0.0007 inch | |
| Crankshaft | Main Journal Diameter | 2.6473 - 2.6483 inch |
| Main Journal Taper | 0.0002 inch | |
| Out Of Round - Max | 0.0002 inch | |
| Flange Runout - Max | 0.0016 inch | |
| Cylinder Block Main Bearing Bore Diameter | 2.8407 - 2.8412 inch | |
| Crankshaft Main Bearing Inside Diameter | 2.6492 - 2.6502 inch | |
| Main Bearing Clearance | 0.0008 - 0.0025 inch | |
| Main Thrust Bearing Clearance | 0.0012 - 0.0030 inch | |
| Crankshaft End Play | 0.0024 - 0.0083 inch | |
| Crankshaft Flange Runout- Max | 0.0016 inch | |
| Connecting Rod | Bearing Journal Diameter | 1.9987 - 1.9994 inch |
| Rod Bearing Journal Taper- Max | 0.0002 inch | |
| Rod Bearing Journal Out Of Round - Max | 0.0002 inch | |
| Rod Bearing Bore Diameter | 2.124 - 2.125 inch | |
| Rod Inside Bearing Diameter | 2.000 - 2.002 inch | |
| Rod Bearing Journal Clearance | 0.0007 - 0.0024 inch | |
| Rod Side Clearance | 0.007 - 0.017 inch | |
| Camshaft | Lobe Lift - Intake and Exhaust | 0.2727 inch |
| Journal Diameter | 1.868 - 1.869 inch | |
| Camshaft Bearing Bore Diameter-Front and Rear | 2.009 - 2.011 inch | |
| Camshaft Bearing Bore Diameter-Middle #2 and #3 | 1.999 - 2.001 inch | |
| Camshaft Bearing Inside Diameter | 1.871 - 1.872 inch | |
| Journal Clearance | 0.001 - 0.0039 inch | |
| Journal Runout- Max | 0.001 inch | |
| Valve System | Roller Lifter | Hydraulic |
| Rocker Arm Ratio | 1.60:1 | |
| Valve Face Angle | 45° | |
| Seat Angle | 46° | |
| Valve Seat Runout | 0.002 inch | |
| Seat Width-Intake | 0.061 - 0.071 inch | |
| Seat Width-Exhaust | 0.067 - 0.079 inch | |
| Valve Margin - Minimum Intake | 0.083 inch | |
| Valve Margin - Minimum Exhaust | 0.106 inch | |
| Valve Stem Clearance | 0.0010 - 0.0027 inch | |
| Valve Spring | Valve Springs Free Length | 1.89 inch |
| Valve Springs Load - Closed | 75 lbs. @ 1.701 inch | |
| Valve Springs Load - Open | 230 lbs. 1.260 inch | |
| Installed Height Intake-Exhaust | 1.701 inch | |
| Approximate number of coils | 6.55 | |
| Oil Pump | Gear Lash | 0.0037 - 0.0077 inch |
| Gear Pocket Depth | 1.202 - 1.204 inch | |
| Gear Pocket Diameter | 1.503 - 1.505 inch | |
| Oil Pump Gear | Length | 1.199 - 1.200 inch |
| Diameter | 1.498 - 1.500 inch | |
| Side Clearance | 0.001 - 0.003 inch | |
| End Clearance | 0.002 - 0.005 inch | |
| Valve to Bore Clearance | 0.0015 - 0.0035 inch |