Oil Pump

• Oil Pump Outer Rotor-to-Case Radial Clearance (Maximum)

0.310

0.0122

• Oil Pump Housing-to-Oil Pump Gear Set (Side Clearance) (Maximum)

0.15

0.0059

Camshaft

• Camshaft Lobe Height Standard

40.415-40.575

1.5911-1.5974

• Camshaft Lobe Height Limit (Minimum)

40.315

1.5872

• Camshaft Lobe Height Camshaft Runout (Maximum)

0.10

0.0039

• Camshaft Journal Clearance Standard

0.020-0.062

0.0008-0.0024

• Camshaft Journal Clearance Limit (Maximum)

0.12

0.0047

Hydraulic Valve Lash Adjusters

• HVL Adjuster Outer Diameter

30.959-30.975

1.2188-1.2194

• HVL Adjuster-to-Cylinder Head Bore Clearance

0.025-0.066

0.0010-0.0025

• HVL Adjuster-to-Cylinder Head Bore Minimum

0.15

0.0059

Valves

• Valve Guide Inside Diameter

5.500-5.512

0.2165-0.2170

• Valve Head Thickness Intake Valves (Standard)

1.0

0.039

• Valve Head Thickness Intake Valves (Minimum Limit)

0.6

0.02

• Valve Head Thickness Exhaust Valves (Standard)

1.2

0.047

• Valve Head Thickness Exhaust Valves (Minimum Limit)

0.7

0.027

• Valve Seating Contact Width Intake and Exhaust

1.30-1.50

0.0512-0.0590

• Valve Stem Outside Diameter Intake Valves

5.457-5.480

0.2148-0.2157

• Valve Stem Outside Diameter Exhaust Valves

5.440-5.455

0.2142-0.2148

• Valve Stem Radial Runout (Minimum) Intake and Exhaust

0.08

0.003

• Valve Stem-to-Valve Guide Clearance Intake Valves (Standard)

0.020-0.055

0.0008-0.0022

• Valve Stem-to-Valve Guide Clearance Intake Valves (Maximum Limit)

0.070

0.0027

• Valve Stem-to-Valve Guide Clearance Exhaust Valves (Standard)

0.045-0.072

0.0018-0.0028

• Valve Stem-to-Valve Guide Clearance Exhaust Valves (Maximum Limit)

0.090

0.0035

• Valve Spring Free Length Standard

42.29

1.6649

• Valve Spring Free Length Limit (Minimum)

41.00

1.6142

• Valve Spring Preload Standard

20.9-23.5 kg at 32.6

46.1-51.8 lb. at 1.28

• Valve Spring Preload Limit (Minimum)

18.7 kg at 32.6

41.2 lb. at 1.28

• Valve Spring Squareness Deviation (Maximum)

2.0

0.079

Pistons

• Piston to Cylinder Bore Clearance

0.02-0.04

0.0008-0.0015

• Piston Diameter Original Piston

73.970-73.990

2.9122-2.9130

• Piston Diameter 0.25 mm (0.0098") Oversize Piston

74.220-74.230

2.9220-2.9224

• Piston Diameter .050 mm (0.0197") Oversize Piston

74.470-74.480

2.9319-2.9323

• Piston Ring End Gap Top Ring (Standard)

0.2-0.3

0.0079-0.0118

• Piston Ring End Gap Top Ring (Maximum Limit)

0.7

0.0276

• Piston Ring End Gap Second Ring (Standard)

0.2-0.3

0.0079-0.018

• Piston Ring End Gap Second Ring (Maximum Limit)

0.7

0.0276

• Piston Ring End Gap Oil Ring (Standard)

0.2-0.6

0.0079-0.0275

• Piston Ring End Gap Oil Ring (Maximum Limit)

1.8

0.0708

• Piston Ring Groove Clearance First Ring

0.03-0.07

0.0012-0.0027

• Piston Ring Groove Clearance Second Ring

0.02-0.06

0.0008-0.0023

Main Bearings

• Main Bearing Clearance Standard

0.0020-0.0040

0.00008-0.00015

• Main Bearing Clearance Limit

0.060

0.0023

• 0.25 mm (0.0098") Undersized Bearings Green and Red

2.121-2.125

0.0835-0.0836

• 0.25 mm (0.0098") Undersized Bearings Black and Red

2.124-2.128

0.0836-0.0838

• Red

2.127-2.131

0.0837-0.0839

• Yellow and Red

2.130-2.134

0.0839-0.0840

• Blue and Red

2.133-2.137

0.0840-0.0841

• Crankshaft Journal Diameter 1 Stamping

44.994-45.000

1.7714-1.7716

• Crankshaft Journal Diameter 2 Stamping

44.988-44.994

1.7712-1.7714

• Crankshaft Journal Diameter 3 Stamping

44.982-44.988

1.7710-1.7712

• (Undersized)

44.732-44.750

1.7611-1.7618

• Main Bearing Cap Bore Diameter (Without Bearing) A Stamping

49.000-49.006

1.9292-1.9294

• Main Bearing Cap Bore Diameter (Without Bearing) B Stamping

49.006-49.012

1.9294-1.9296

• Main Bearing Cap Bore Diameter (Without Bearing) C Stamping

49.012-49.018

1.9296-1.9298

Cylinder Head

• Cylinder Head Bore

31.000-31.025

1.2205-1.2214

• Cylinder Head Gasket Surface Distortion (Maximum)

0.05

0.002

• Cylinder Head to Manifold Seating Distortion Intake and Exhaust (Maximum)

.010

0.004

• Cylinder Bore Diameter Limit

74.15

2.9193

• Taper and Out-of-Round Limit

0.10

0.004

Connecting Rods and Bearings

• Connecting Rod Bow Limit

0.005

0.0002

• Connecting Rod Twist Limit

0.10

0.004

• Crank Pin Diameter Standard

41.982-42.000

1.6529-1.6535

• Crank Pin Diameter 0.25 mm (0.0098 in.) Undersize

41.732-41.750

1.6430-1.6437

• Crank Pin Diameter Out-of-Round and Taper Limit

0.01

0.0004

• Connecting Rod Bearing Clearance Standard

0.020-0.050

0.0008-0.0019

• Connecting Rod Bearing Clearance Limit

0.080

0.0031