Overhaul Specifications
| General Data | Engine Type | 60°V-6 |
| Displacement | 191 cu In | |
| RPO - VIN Code | LG8 - J | |
| Bore | 3.50 in | |
| Stroke | 3.31 in | |
| Compression Ratio | 9.6:1 | |
| Firing Order | 1-2-3-4-5-6 | |
| Oil Pressure | 15 psi @ 1100 RPM | |
| Cylinder Bore | Diameter | 3.5046-3.5053 in |
| Out Of Round Maximum | 0.0005 in | |
| Taper-Thrust Side Maximum | 0.0008 in | |
| Piston | Diameter-Gaged on the skirt (0.47 in) below the centerline of the piston pin bore | 3.5029-3.5040 in |
| Clearance | 0.0013-0.0027 in | |
| Pin Bore | 0.9057-0.9060 in | |
| Piston Ring | Top Groove Side Clearance | 0.002-0.0033 in |
| Second Groove Side Clearance | 0.002-0.0035 in | |
| Top Ring Gap | 0.006-0.014 in | |
| Second Ring Gap | 0.0197-0.0280 in. | |
| Oil Ring Groove Clearance | 0.008 in. | |
| Gap with segment at 89.0 mm (3.50 in) | 0.0098-0.05 in | |
| Piston Pin | Diameter | 0.9052-0.9054 in |
| Clearance In Piston | 0.0004-0.0008 in | |
| Fit In Rod (press fit) | 0.0006-0.0018 in | |
| Crankshaft | Main Journal Diameter | 2.6473-2.6483 in |
| Main Journal Taper | 0.0002 in. | |
| Out Of Round | 0.0002 in. | |
| Flange Runout-Max | 0.0016 in. | |
| Cylinder Block Main Bearing Bore Diameter | 2.8407-2.8412 in | |
| Crankshaft Main Bearing Inside Diameter | 2.6492-2.6502 in | |
| Main Bearing Clearance - except number 3 | 0.0008-0.0025 in | |
| Main Thrust Bearing Clearance - number 3 | 0.0012-0.0030 in | |
| Crankshaft End Play | 0.0024-0.0083 in | |
| Crankshaft Flange Runout-Max | 0.0016 in. | |
| Connecting Rod | Connecting Rod Bearing Journal Diameter | 1.9987-1.9994 in |
| Connecting Rod Bearing Journal Taper | 0.0002 in. | |
| Connecting Rod Bearing Journal Out Of Round | 0.0002 in. | |
| Connecting Rod Bearing Bore Diameter | 2.124-2.125 in | |
| Connecting Rod Inside Bearing Diameter | 2.00-2.002 in | |
| Connecting Rod Bearing Journal Clearance | 0.0007-0.0024 in | |
| Connecting Rod Side Clearance | 0.007-0.017 in | |
| Camshaft | Lobe Lift - Intake and Exhaust | 0.2727 in. |
| Journal Diameter | 1.868-1.869 in | |
| Camshaft Bearing Bore Diameter-Front and Rear | 2.009-2.011 in | |
| Camshaft Bearing Bore Diameter-Middle #2 and #3 | 1.999-2.001 in | |
| Camshaft Bearing Inside Diameter | 1.871-1.872 in | |
| Journal Clearance | 0.001-.0039 in | |
| Journal Runout-Max | 0.001 in | |
| Valve System | Roller Lifter | Hydraulic |
| Rocker Arm Ratio | 1.60:1 | |
| Valve Face Angle | 45° | |
| Seat Angle | 46° | |
| Valve Seat Runout | 0.001 in | |
| Seat Width-lntake | 0.061-0.071 in | |
| Seat Width-Exhaust | 0.067-0.079 in | |
| Valve Margin - Minimum Intake | 0.083 in. | |
| Valve Margin - Minimum Exhaust | 0.106 in. | |
| Valve Stem Clearance | 0.0010-0.0027 in | |
| Valve Spring | Valve Springs Free Length | 1.89 |
| Valve Springs Load - Closed | 75 lb @ 1.701 in | |
| Valve Springs Load - Open | 230 lb @ 1.260 in | |
| Installed Height Intake-Exhaust | 1.701 in. | |
| Approx. # or coils | 6.55 | |
| Oil Pump | Gear Lash | 0.0037-0.0077 in |
| Gear Pocket Depth | 1.202-1.204 in | |
| Gear Pocket Diameter | 1.503-1.505 in | |
| Oil Pump Gear | Length | 1.199-1.200 in |
| Diameter | 1.498-1.500 in | |
| Side Clearance | 0.001-0.003 in | |
| End Clearance | 0.002-0.005 in | |
| Valve to Bore Clearance | 0.0015-0.0035 in |