DESCRIPTION SPECIFICATION
Bearing Journal Diameter
No. 1 50.749 – 50.775 mm
(1.998 – 1.999 in.)
No. 2 50.343 – 50.368 mm
(1.982 – 1.983 in.)
No. 3 49.962 – 49.987 mm
(1.967 – 1.968 in.)
No. 4 49.555 – 49.581 mm
(1.951 – 1.952 in.)
No. 5 39.637 – 39.662 mm
(1.5605 – 1.5615 in.)
Bearing to Journal
Clearance
Standard 0.0254 – 0.0762 mm
(0.001 – 0.003 in.)
Service Limit 0.127 mm
(0.005 in.)
Camshaft End Play 0.051 – 0.254 mm
(0.002 – 0.010 in.)
CONNECTING RODS
Piston Pin Bore Diameter 24.966 - 24.978 mm
(0.9829 - 0.9834 in.)
Side Clearance 0.152 - 0.356 mm
(0.006 - 0.014 in.)
CRANKSHAFT
Rod Journal
Diameter 53.950 – 53.975 mm
(2.124 – 2.125 in.)
Out of Round (Max.) 0.0254 mm (0.001 in.)
Taper (Max.) 0.0254 mm (0.001 in.)
Bearing Clearance 0.013 – 0.056 mm
(0.0005 – 0.0022 in.)
Service Limit 0.0762 mm (0.003 in.)
Main Bearing Journal
Diameter 71.361 – 71.387 mm
(2.8095 – 2.8105 in.)
Out of Round (Max.) 0.127 mm (0.001 in.)
Taper (Max.) 0.0254 mm (0.001 in.)
DESCRIPTION SPECIFICATION
Bearing Clearance
#1 Journal 0.013 – 0.038 mm
(0.0005 – 0.0015 in.)
Service Limit
#1 Journal 0.0381 mm (0.0015 in.)
Bearing Clearance
#2-5 Journals 0.013 – 0.051 mm
(0.0005 – 0.002 in.)
Service Limit
#2-5 Journals 0.064 mm (0.0025 in.)
End Play 0.051 – 0.178 mm
(0.002 – 0.007 in.)
Service Limit 0.254 mm (0.010 in.)
CYLINDER BLOCK
Cylinder Bore
Diameter 101.60 – 101.65 mm
(4.000 – 4.002 in.)
Out of Round (Max.) 0.025 mm (0.001 in.)
Taper (Max.) 0.025 mm (0.001 in.)
Lifter Bore
Diameter 22.99 – 23.01 mm
(0.9051 – 0.9059 in.)
Distributor Drive
Bushing—
(Press Fit)
Bushing to Bore
Interference
0.0127 – 0.3556 mm
(0.0005 – 0.0140 in.)
Shaft to Bushing
Clearance
0.0178 – 0.0686 mm
(0.0007 – 0.0027 in.)
CYLINDER HEAD AND VALVES
Valve Seat
Angle 44.25° – 44.75°
Runout (Max.) 0.0762 mm (0.003 in.)
Width (Finish) – Intake 1.016 – 1.524 mm
(0.040 – 0.060 in.)
Width (Finish) – Exhaust 1.524 – 2.032 mm
(0.060 – 0.080 in.)
9 - 186 5.9L ENGINE DN
SPECIFICATIONS (Continued)