Engine Mechanical Specifications (RPO L92 VIN 8)
Engine Type V8Displacement 6.2L (376 CID)
RPO L92 VIN 8
Bore 103.241-103.259 mm (4.065-4.065 in)
Stroke 92.0 mm (3.622 in)
Compression Ratio 10.5:1
Firing Order 1-8-7-2-6-5-4-3
Active Fuel Management Cylinders - First Design Engine 1-4-6-7
Block
Crankshaft Main Bearing Bore Diameter 69.871-69.889 mm (2.75-2.751 in)
Crankshaft Main Bearing Bore Out-of-Round 0.006 mm (0.0002 in)
Cylinder Bore Diameter 103.241-103.259 mm (4.065-4.065 in)
Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the Deck Face 234.57-234.82 mm (9.235-9.245 in)
Cylinder Head Deck Surface Flatness - Measured Within a 152.4 mm (6.0 in) Area 0.11 mm (0.004 in)
Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck 0.22 mm (0.008 in)
Valve Lifter Bore Diameter 21.417-21.443 mm (0.843-0.844 in)
Connecting Rod
Connecting Rod Bearing Clearance - Production 0.023-0.065 mm (0.0009-0.0025 in)
Connecting Rod Bearing Clearance - Service 0.023-0.076 mm (0.0009-0.003 in)
Connecting Rod Bore Diameter - Bearing End 56.505-56.525 mm (2.224-2.225 in)
Connecting Rod Bore Out-of-Round - Bearing End - Production 0.004-0.008 mm (0.00015-0.0003 in)
Connecting Rod Bore Out-of-Round - Bearing End - Service 0.004-0.008 mm (0.00015-0.0003 in)
Connecting Rod Side Clearance 0.11-0.51 mm (0.00433-0.02 in)
Crankshaft
Connecting Rod Journal Diameter - Production 53.318-53.338 mm (2.0991-2.0999 in)
Connecting Rod Journal Diameter - Service 53.308 mm (2.0987 in)
Connecting Rod Journal Out-of-Round - Production 0.005 mm (0.0002 in)
Connecting Rod Journal Out-of-Round - Service 0.01 mm (0.0004 in)
Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Production 0.005 mm (0.0002 in)
Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Service 0.02 mm (0.00078 in)
Crankshaft End Play 0.04-0.2 mm (0.0015-0.0078 in)
Crankshaft Main Bearing Clearance - Production 0.02-0.052 mm (0.0008-0.0021 in)
Crankshaft Main Bearing Clearance - Service 0.02-0.065 mm (0.0008-0.0025 in)
Crankshaft Main Journal Diameter - Production 64.992-65.008 mm (2.558-2.559 in)
Crankshaft Main Journal Diameter - Service 64.992 mm (2.558 in)
Crankshaft Main Journal Out-of-Round - Production 0.003 mm (0.000118 in)
Crankshaft Main Journal Out-of-Round - Service 0.008 mm (0.0003 in)
Crankshaft Main Journal Taper - Production 0.01 mm (0.0004 in)
Crankshaft Main Journal Taper - Service 0.02 mm (0.00078 in)
Crankshaft Rear Flange Runout 0.05 mm (0.002 in)
Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth Diameter 0.7 mm (0.028 in)
Crankshaft Thrust Surface - Production 26.14-26.22 mm (1.029-1.0315 in)
Crankshaft Thrust Surface - Service 26.22 mm (1.0315 in)
Crankshaft Thrust Surface Runout 0.025 mm (0.001 in)
Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.23-0.44 mm (0.009-0.017 in)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.23-0.5 mm (0.009-0.0196 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.44-0.7 mm (0.017-0.027 in)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.44-0.76 mm (0.0173-0.03 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.18-0.75 mm (0.007-0.029 in)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.18-0.81 mm (0.007-0.032 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Production 0.04-0.085 mm (0.00157-0.00335 in)
Piston Ring-to-Groove Clearance - First Compression Ring - Service 0.04-0.085 mm (0.00157-0.00335 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Production 0.04-0.078 mm (0.00157-0.0031 in)
Piston Ring-to-Groove Clearance - Second Compression Ring - Service 0.04-0.078 mm (0.00157-0.0031 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Production 0.012-0.2 mm (0.0005-0.0078 in)
Piston Ring-to-Groove Clearance - Oil Control Ring - Service 0.012-0.2 mm (0.0005-0.0078 in)
Pistons and Pins
Pin - Piston Pin Clearance-to-Piston Pin Bore - Production 0.002-0.01 mm (0.00008-0.0004 in)
Pin - Piston Pin Clearance-to-Piston Pin Bore - Service 0.002-0.015 mm (0.00008-0.0006 in)
Pin - Piston Pin Diameter 23.952-23.955 mm (0.943-0.943 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Production 0.007-0.02 mm (0.00027-0.00078 in)
Pin - Piston Pin Fit in Connecting Rod Bore - Service 0.007-0.022 mm (0.00027-0.00086 in)
Piston - Piston Diameter - Measured Over Coating 96.002-96.036 mm (3.779-3.78 in)
Piston - Piston to Bore Clearance - Production -0.036 to +0.016 mm (-0.0014 to +0.0006 in)
Piston - Piston to Bore Clearance - Service Limit With Skirt Coating Worn Off 0.071 mm (0.0028 in)