Engine Mechanical Specifications (RPO L92 VIN 8)
RPO L92 VIN 8Cylinder Head
Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface 120.2 mm (4.732 in)
Surface Flatness - Block Deck - Measured Within a 152.4 mm (6.0 in) Area 0.08 mm (0.003 in)
Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 in)
Surface Flatness - Exhaust Manifold Deck 0.13 mm (0.005 in)
Surface Flatness - Intake Manifold Deck 0.08 mm (0.0031 in)
Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide 17.32 mm (0.682 in)
Intake Manifold
Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 in) Area that Includes 2 Runner Port Openings 0.3 mm (0.118 in)
Camshaft Bearing Bore 1 and 5 Diameter 59.58-59.63 mm (2.345-2.347 in)
Camshaft Bearing Bore 2 and 4 Diameter 59.08-59.13 mm (2.325-2.327 in)
Camshaft Bearing Bore 3 Diameter 58.58-58.63 mm (2.306-2.308 in)