Engine Mechanical Specifications

Camshaft Bearing Bore 1 and 5 Diameter
First Design 59.12 - 59.17 mm (2.327 - 2.329 inch)
Second Design 59.62 - 59.67 mm2.347 - 2.349 inch)
Camshaft Bearing Bore 2 and 4 Diameter
First Design 58.87 - 58.92 mm (2.317 - 2.319 inch)
Second Design 59.12 - 59.17 mm (2.327 - 2.329 inch)
Camshaft Bearing Bore 3 Diameter
First Design 58.62 - 58.67 mm (2.307 - 2.309 inch)
Second Design 58.62 - 58.67 mm (2.307 - 2.309 inch)
Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the Deck Face 234.57 - 234.82 mm (9.235 - 9.245 inch)
Cylinder Head Deck Surface Flatness - Measured Within a 152.4 mm (6.0 inch) Area 0.11 mm (0.004 inch)
Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck 0.22 mm (0.008 inch)
Camshaft
Camshaft End Play 0.025 - 0.305 mm (0.001 - 0.012 inch)
Camshaft Journal Diameter 54 99 - 55.04 mm (2.164 - 2.166 inch)
Camshaft Journal Out-of-Round 0.025 mm (0.001 inch)
Camshaft Lobe Lift
Exhaust 6.96 mm (0.274 inch)
Intake 6.82 mm (0.268 inch)
Camshaft Runout - Measured at the Intermediate Journals 0.05 mm (0.002 inch)
Cylinder Head
Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface 120.2 mm (4.732 inch)
Surface Flatness - Block Deck
Measured Within a 152.4 mm (6.0 inch) Area 0.08 mm (0.003 inch)
Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 inch)
Surface Flatness
Exhaust Manifold Deck 0.13 mm (0.005 inch)
Intake Manifold Deck 0.08 mm (0.0031 inch)
Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide 17.32 mm (0.682 inch)
Intake Manifold
Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 inch)) Area that Includes Two Runner Port Openings 0.3 mm (0.118 inch)