5.9L Engine Specifications

DESCRIPTION	SPECIFICATION
GENERAL SPECIFICATIONS
Engine Type	90° V-8 OHV
Bore and Stroke	101.6 x 90.9 mm (4.00 x 3.58 in.)
Displacement	5.9L (360 c.i.)
Compression Ratio	9.1:1
Firing Order	1-8-4-3-6-5-7-2
Lubrication	Pressure Feed - Full Flow Filtration
Cooling System	Liquid Cooled - Forced Circulation
Cylinder Block	Cast Iron
Cylinder Head	Cast Iron
Crankshaft	Nodular Iron
Camshaft	Nodular Cast Iron
Pistons	Aluminum Alloy w/strut
Connecting Rods	Forged Steel
Compression Pressure	689.5 kPa (100 psi) (Min.)
CAMSHAFT
Bearing Diameter
No. 1	50.800 - 50.825 mm (2.000 - 2.001 in.)
No. 2	50.394 - 50.419 mm (1.984 - 1.985 in.)
No. 3	50.013 - 50.038 mm (1.969 - 1.970 in.)
No. 4	49.606 - 49.632 mm (1.953 - 1.954 in.)
No. 5	39.688 - 39.713 mm (1.5625 - 1.5635 in.)
Bearing Journal Diameter
No. 1	50.723 - 50.775 mm (1.997 - 1.999 in.)
No. 2	50.317 - 50.368 mm (1.981 - 1.983 in.)
No. 3	49.936 - 49.987 mm (1.966 - 1.968 in.)
No. 4	49.53 - 49.581 mm (1.950 - 1.952 in.)
No. 5	39.611 - 39.662 mm (1.5595 - 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.)
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.)
Bearing Clearance
Journal #1	0.013 - 0.038 mm (0.0005 - 0.0015 in.)
Journals #2-5	0.013 - 0.051 mm (0.0005 - 0.002 in.)
Service Limit
Journal #1	0.0381 mm (0.0015 in.)
Journals #2-5	0.064 mm (0.0025 in.)
Crankshaft 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.)	0.0254 mm (0.001 in.)
Taper (Max.)	0.0254 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.)
Exhaust	1.524 - 2.032 mm (0.060 - 0.080 in.)
Valves
Face Angle	43.25° - 43.75°
Head Diameter
Intake	47.752 mm (1.88 in.)
Exhaust	41.072 (1.617 in.)
Length (Overall)
Intake	126.21 - 126.85 mm (4.969 - 4.994 in.)
Exhaust	126.44 - 127.30 mm (4.978 - 5.012 in.)
Lift (@ zero lash)
Intake	10.414 mm (0.410 in.)
Exhaust	10.592 mm (0.417 in.)
Stem Diameter
Intake	9.449 - 9.474 mm (0.372 - 0.373 in.)
Exhaust	9.423 - 9.449 mm (0.371 - 0.372 in.)
Guide Bore	9.500 - 9.525 mm (0.374 - 0.375 on.)
Stem to Guide Clearance
Intake	0.0254 - 0.0762 mm (0.001 - 0.003 in.)
Exhaust	0.0508 - 0.1016 mm (0.002 - 0.004 in.)
Service Limit	0.4318 - (0.017 in.)
Valve Springs
Free Length	49.962 mm (1.967 in.)
Spring Tension
Valve closed	378 N @ 41.66 mm (85 lbs. @ 1.64 in.)
Valve open	890 N @ 30.89 mm (200 lbs. @ 1.212 in.)
Number of Coils	6.8
Installed Height	41.66 mm (1.64 in.)
Wire Diameter	4.50 mm (0.177 in.)
HYDRAULIC TAPPETS
Body Diameter	22.949 - 22.962 mm (0.9035 - 0.9040 in.)
Clearance (to bore)	0.0279 - 0.0610 mm (0.0011 - 0.0024 in.)
Dry Lash	1.524 - 5.334 mm (0.060 - 0.210 in.)
Push Rod Length	175.64 - 176.15 mm (6.915 - 6.935 in.)
OIL PRESSURE
Curb Idle (Min.*)	41.4 kPa (6 psi)
@ 3000 rpm	207 - 552 kPa (3 - 80 psi)
Oil Pressure Bypass Valve Setting	62 - 103 kPa (9 - 15 psi)
Switch Actuating Pressure	34.5 - 48.3 kPa (5 - 7 psi)
* If oil pressure is zero at curb idle, DO NOT RUN ENGINE.
OIL PUMP
Clearance over Rotors (Max.)	0.1016 mm (0.004 in.)
Cover Out of Flat (Max.)	0.0381 mm (0.0015 in.)
Inner Rotor Thickness (Min.)	20.955 mm (0.825 in.)
Outer Rotor
Clearance (Max.)	0.3556 mm (0.014 in.)
Diameter (Min.)	62.7126 mm (2.469 in.)
Thickness (Min.)	20.955 mm (0.825 in.)
Tip Clearance between Rotors (Max.)	0.2032 mm (0.008 in.)
PISTONS
Clearance at Top of Skirt	0.013 - 0.038 mm (0.0005 - 0.0015 in.)
Land Clearance (Diam.)	0.508 - 0.660 mm (0.020 - 0.026 in.)
Piston Length	81.03 mm (3.19 in.)
Piston Ring Groove Depth
Groove #1&2	4.761 - 4.912 mm (0.187 - 0.193 in.)
Groove #3	3.996 - 4.177 mm (0.157 - 0.164 in.)
Weight	582 - 586 grams (20.53 - 20.67 oz.)
PISTON PINS
Clearance in Piston	0.006 - 0.019 mm (0.00023 - 0.00074 in.)
Diameter	25.007 - 25.015 mm (0.9845 - 0.9848 in.)
End Play	NONE
Length	67.8 - 68.3 mm (2.67 - 2.69 in.)
PISTON RINGS
Ring Gap
Compression Ring (Top)	0.30 - 0.55 mm (0.012 - 0.022 in.)
Compression Ring (2nd)	0.55 - 0.80 mm (0.022 - 0.031 in.)
Oil Control (Steel Rails)	0.381 - 1.397 mm (0.015 - 0.055 in.)
Ring Side Clearance
Compression Rings	0.040 - 0.085 mm (0.0016 - 0.0033 in.)
Oil Ring (Steel Rails)	0.05 - 0.21 mm (0.002 - 0.008 in.)
Ring Width
Compression rings	1.530 - 1.555 mm (0.060 - 0.061 in.)
Oil Ring (Steel Rails) - Max.	0.447 - 0.473 mm (0.018 - 0.019 in.)
VALVE TIMING
Exhaust Valve
Closes (ATDC)	33°
Opens (BBDC)	56°
Duration	269°
Intake Valve
Closes (ATDC)	62°
Opens (BBDC)	7°
Duration	249°
Valve Overlap	41°