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General Specifications

GENERAL SPECIFICATIONS

Item Specification
Sealers and Lubricants 
Silicone Gasket and Sealant F7AZ-19554-EA or equivalent WSE-M4G323-A4
Metal Surface Cleaner F4AZ-19A536-RA or equivalent WSE-M5B392-A
Super Premium SAE 5W-30 Motor Oil XO-5W30-QSP or equivalent WSS-M2C153-G
Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A or equivalent ESE-M1C171-A
4.0L SOHC 
Displacement liters (cubic inch) 4.0L (244)
Number of cylinders 6
Bore mm (inch) 100.4 (3.953)
Stroke mm (inch) 84.4 (3.31)
Firing order 1-4-2-5-3-6
Oil Pressure at 2,000 rpm Hot kPa (psi) 276-414 (40-60)
Cylinder Head and Valve Train 
Valve Guide Bore Diameter mm (inch) 7.00-7.018 (.276)
Combustion Chamber Volume (cc) 65.197 ± 2.068-2.018
Valve Arrangement Front to Rear LH=I-E-I-E-I-E
RH=E-I-E-I-E-I
Gasket Surface Flatness mm (inch) 0.08 (0.003) Total
Valve Seat 
Width (Exhaust and Intake) mm (inch) 1.556-2.404 (0.06-0.094)
1.273-2.121 (0.05-0.083)
Angle Degrees 45°
Runout TIR Maximum mm (inch) 0.059 (0.002)
Valves 
Valve Stem Diameter Intake mm (inch) 6.965-6.98 (0.274-0.275)
Valve Stem Diameter Exhaust mm (inch) 6.95-6.965 (0.27-0.274)
Valve Stem to Guide Clearance Exhaust mm (inch) 0.035-0.068 (0.001-0.003)
Valve Stem to Guide Clearance Intake mm (inch) 0.020-0.053 (0.001-0.002)
Head Diameter Intake mm (inch) 45.9-46.1 (1.807-1.815)
Head Diameter Exhaust mm (inch) 38.9-39.1 (1.531-1.539)
Valve Face Angle Degrees 45°
Valve Face Runout Limit 0.03 (0.001)
Valve Springs 
Intake Valve Spring Compression Pressure at Specified Height (lbs) 275-305 Nm at 35.9-36.7 mm (202.84-224.968 lb-ft at 1.413-1.445 inch)
Exhaust Valve Spring Compression Pressure at Specified Height (lbs) 275-305 Nm at 35.9-36.7 mm (202.84-224.968 lb-ft at 1.413-1.445 inch)
Intake Valve Spring Free Length mm (inch) 43.1 (1.7)
Exhaust Valve Spring Free Length mm (inch) 43.1 (1.7)
Intake Valve Spring Assembled Height mm (inch) 39.86-40.86 (1.569-1.601)
Exhaust Valve Spring Assembled Height mm (inch) 39.86-40.68 (1.569-1.601)
Camshaft 
Intake Lobe Lift mm (inch) 6.584 (0.259)
End Play mm (inch) 0.075-0.185 (0.0003-0.007)
Exhaust Lobe Lift mm (inch) 6.584 (0.259)
Maximum Allowable Lobe Lift Loss mm (inch) 0.127 (0.005)
Journal to Bearing Clearance mm (inch)(1) 0.04-0.095 (0.002-0.004)
Journal to Bearing Clearance 
Service Limit mm (inch)(1) 0.152 (0.006)
Camshaft Drive 
Journal Diameter mm (inch) 27.935-27.96 (1.099-1.101)
Bearing Inside Diameter mm (inch) All 28.0-28.03 (1.102-1.104)
Maximum Camshaft Journal Runout mm (inch) 0.05 (0.002)
Cylinder Block 
Cylinder Bore Diameter mm (inch) 100.4 (3.953)
Maximum Cylinder Out-of-Round mm (inch) 0.025 (0.001)
Maximum Cylinder Taper mm (inch) 0.025 (0.001)
Main Bearing Bore Diameter mm (inch) 60.634-60.620 (2.387-2.387)
Crankshaft to Rear Face of Block Runout. TIR Maximum mm (inch) 0.127 (0.005)
Distributor Shaft Bearing Bore Diameter mm (inch) 72.43-72.473 (2.852-2.853)
Head Gasket Surface Flatness mm (inch) 0.1 (0.004) Overall
Head Gasket Surface Finish RMS 60-150
Crankshaft and Flywheel 
Main Bearing Journal Diameter mm (inch) 56.980-57.0 (2.243-2.244)
Main Bearing Journal Runout Limit mm (inch) 0.05 (0.002)
Main Bearing Journal Taper Maximum Per Inch mm (inch) 0.008 (0.0003)
Connecting Rod Journal Maximum Out-of-Round mm (inch) 0.008 (0.0003)
Crankshaft Free End Play mm (inch) 0.05-0.32 (0.002-0.0126)
Main Bearing Journal Out-of-Round mm (inch) 0.008 (0.0003)
Main Bearing Journal Runout TIR Maximum mm (inch) 0.05 (0.002)
Main Bearing Journal Runout Service Limit mm (inch) 0.0127 (0.005)
Main Bearing Thrust Face Runout TIR Maximum mm (inch) 0.0254 (0.010)
Thrust Bearing Journal Length mm (inch) 26.39-26.44 (1.039-1.041)
Main and Rod Bearing Journal Finish RMS Maximum 72 and 88
Main Bearing Thrust Face Finish RMS Maximum 20
Connecting Rod Journal Diameter mm (inch) 53.98-54.0 (2.125-2.126)
Connecting Rod Journal Taper Per Inch Maximum mm (inch) 0.008 (0.0003)
Connecting Rod Bearings 
Clearance to Crankshaft Desired mm (inch) 0.008-0.061 (0.0003-0.0024)
Clearance to Crankshaft Allowable mm (inch) 0.013-0.048 (0.0005-0.002)
Bearing Wall Thickness mm (inch) 1.4-1.408 (0.0551-0.0554)
Main Bearings 
Clearance to Crankshaft mm (inch) 0.021-0.039 (0.0008-0.0015)
Clearance to Crankshaft Allowable mm (inch) 0.013-0.048 (0.0005-0.002)
Bearing Wall Thickness mm (inch) 1.8-1.806 (0.0709-0.0711)
Connecting Rod, Piston and Rings 
Side Clearance (Assembled to Crankshaft) mm (inch) 0.092-0.268 (0.0036-0.0106)
Piston Pin Bore or Bushing I.D. mm (inch) 23.958-23.976 (0.943-0.944)
Rod Bearing Bore I.D. mm (inch) 56.82 (2.237)56.84 (2.238 in)
Rod Bearing Bore Out-of-Round mm (inch) 0.01 (0.0004)
Rod Length Center to Center mm (inch) 145.965-146.035 (5.746-5.749)
Alignment (Bore-to-Bore Max. Diff.) Twist mm (inch) 0.038 (0.0015) per 25.4 mm (1.000)
Alignment (Bore-to-Bore Max. Diff.) Bend mm (inch) 0.0125 (0.00049) per 25.4 mm (1.000)
Piston Pin 
Length mm (inch) 72.0-72.8 (2.835-2.866)
To Piston Pin Bore Clearance mm (inch) 0.01-0.016 (0.0004-0.0006)
To Connecting Rod Bushing Clearance mm (inch) Press Fit -0.018 to -0.042 (-0.0007 to -0.0017)
Piston 
Bore Clearance Selective Fit mm (inch) 0.030-0.050 (0.0012-0.002)
Diameter - Coded STD mm (inch) 100.380-100.400 (3.952-3.9528)
Diameter - Coded 0.5 mm (inch) 100.880-100.900 (3.971-3.972)
Diameter - Coded 1.0 mm (inch) 101.350-101.370 (3.990-3.991)
Top Ring Groove Width mm (inch) 1.23-1.25 (0.0484-0.0492)
Bottom Ring Groove Width mm (inch) 1.52-1.54 (0.0598-0.0606)
Oil Ring Groove Width mm (inch) 3.01-3.03 (0.1185-0.1193)
Piston Rings 
Top Compression Ring Width mm (inch) 1.175-1.190 (0.0463-0.0469)
Bottom Compression Ring Width mm (inch) 1.475-1.490 (0.0581-0.0587)
Top Compression Side Clearance mm (inch) 0.040-0.075 (0.0016--.0030)
Bottom Compression Side Clearance mm (inch) 0.030-0.065 (0.0012-0.0026)
Top Compression Ring Gap mm (inch) 0.200-0.450 (0.008-0.018)
Bottom Compression Ring Gap mm (inch) 0.40-0.60 (0.015-0.024)
Lubrication System 
Relief Valve Spring Pressure Lbs. at 35.3 mm (1.39 in) 61.3-66.3 Nm (45.100-48.730 lb-ft)
Engine Oil Capacity Liters (Quarts) 4.73 (5) with filter
(1) Tighten Camshaft bearing cap bolts to 15 Nm (11 lb-ft) when measuring journal clearance.