| General Specification |
| Type |
90° V-10 Engine |
| Displacement |
8.3 Liters (505 Cubic Inch) |
| Bore |
102.4 mm (4.03 in.) |
| Stroke |
100.6 mm (3.96 in.) |
| Compression Ratio |
9.6:1 |
| Brake Horsepower |
501 @ 5600 RPM |
| Torque |
525 Lb. Ft. @4100 RPM |
| Firing Order |
1-10-9-4-3-6-5-8-7-2 |
| Lubrication |
Pressure Feed Full-Flow Filtration (Direct Crankshaft Driven Pump) |
| Cooling System |
Liquid Cooled-Forced Circulation |
| Cylinder Block |
Aluminum Alloy With Interference-fit Cast Iron Liners |
| Crankshaft |
Forged Steel |
| Connecting Rods |
Cracked Cap Forged Steel |
| Pistons |
Cast Aluminum Alloy |
| Compression Pressure |
1069-1172 kPa (155-170 psi) |
| Maximum Variation Between Cylinders |
25% |
| Engine Weight (approx.) |
284 Kilograms (625 pounds) |
| Cylinder Block |
| Cylinder Bore Diameter |
102.356-102.368 mm (4.02975-4.03025 in.) |
| Out-of-Round (Max.) |
0.051 mm (0.002 in.) |
| Taper (Max.) |
0.038 mm (0.0015 in.) |
| Tappet Bore Diameter |
22.974-22.992 mm (0.9045-0.9052 in.) |
| Block Length |
711.3 mm (28.004 in.) |
| Block Height |
240.8 mm (9.48 in.) |
| Pistons |
| Piston Size |
102.314-102.332 mm (4.0281-4.0288 in.) |
| Clearance at Top of Skirt (12 mm from bottom) |
0.025-0.055 mm (0.0010-0.0022 in.) |
| Weight |
447-461 grams (15.77-16.26 oz.) |
| Land Clearance (Diametrical) |
0.772-0.808 mm (0.036-0.042 in.) |
| Piston Length |
57.0 mm (2.24 in.) |
| Piston Pin Bore Diameter |
23.940-23.978 mm (0.9425-0.9440 in.) |
| Piston Pin Bore Offset |
.800 mm (.031 in.) |
| Piston Ring Groove Depth No. 1 |
91.55-91.80 mm (3.604-3.614 in.) |
| Piston Ring Groove Depth No. 2 |
90.75-91.00 mm (3.573-3.583 in.) |
| Piston Ring Groove Depth No. 3 |
92.53-92.79 mm (3.643-3.653 in.) |
| Piston Pins |
| Clearance in Piston |
0.009-0.022 mm (0.0004-0.0009 in.) |
| Clearance in Rod (Interference) |
0.017-0.061 mm (0.0007-0.0024 in.) |
| Diameter |
23.995-24.000 mm (0.9447-0.9449 in.) |
| End Play |
None |
| Length |
72.0 mm (2.835 in.) |
| Piston Ring Gap |
| Top Compression Ring |
0.20-0.36 mm (0.008-0.014 in.) |
| Wear Limit |
0.63 mm (0.025 in.) |
| 2nd Compression Ring |
0.56-0.79 mm (0.022-0.031 in.) |
| Wear Limit |
1.40 mm (0.055 in.) |
| Oil Control (Steel Rails) |
0.25-0.76 mm (0.010-0.030 in.) |
| Wear Limit |
1.64 mm (0.065 in.) |
| Piston Ring Side Clearance |
| Top & 2nd Compression Rings |
0.040-0.085 mm (0.0016-0.0033 in.) |
| Wear Limit |
0.10 mm (0.004 in.) |
| Oil Ring (Steel Rails) |
0.046-0.201 mm (0.0018-0.0079 in.) |
| Wear Limit |
0.216 mm (0.0085 in.) |
| Piston Ring Width |
| Compression Rings |
1.407-1.490 mm (0.0579-0.0586 in.) |
| Oil Ring (Steel Rails) |
0.447-0.473 mm (0.0176-0.0186 in.) |
| Connecting Rods |
| Bearing Clearance |
0.005-0.074 mm (0.0002-0.0029 in.) |
| Desired |
0.0381 mm (0.0015 in.) |
| Wear Limit |
0.0889 mm (0.0035 in.) |
| Piston Pin Bore Diameter |
23.940-23.978 mm (0.9425-0.9440 in.) |
| Side Clearance (Two Rods) |
0.25-0.46 mm (0.010-0.018 in.) |
| Wear Limit |
0.51 mm (0.020 in.) |
| Total Weight (Less Bearing) |
713 grams (25.15 oz.) |
| Crankshaft |
| Connecting Rod Journal Diameter |
53.950-53.975 mm (2.124-2.125 in.) |
| Out-of-Round (Max.) |
0.013 mm (0.0005 in.) |
| Taper (Max.) |
0.013 mm (0.0005 in.) |
| Main Bearing Clearance (Diametrical) No. 1-6 |
0.025-0.051 mm (0.001-0.002 in.) |
| Wear Limit |
0.076 mm (0.003 in.) |
| End Play |
0.051-0.178 mm (0.002-0.007 in.) |
| Desired |
0.013 mm (0.005 in.) |
| Wear Limit |
0.254 mm (0.010 in.) |
| Main Bearing Journals |
| Diameter - High |
76.233-76.246 mm (3.0013-3.0018 in.) |
| Diameter - Low |
76.220-76.233 (3.0008-3.0013 in.) |
| Out-of-Round (Max.) |
0.013 mm (0.0005 in.) |
| Camshaft |
| Lift |
8.13 mm (.3200 in.) |
| Bearing Journal Diameter No. 1-6 |
53.09-53.11 mm (2.090-2.091 in.) |
| Bore Diameter No. 1-6 |
53.16-53.19 mm (2.093-2.094 in.) |
| Diametrical Clearance |
0.051-0.102 mm (0.002-0.004 in.) |
| Max. Allowable |
0.127 mm (0.005 in.) |
| End Play |
0.127-0.381 mm (0.005-0.015 in.) |
| Valve Timing-Exhaust Valve |
| Closes (ATC) |
36.5° |
| Opens |
BBC) 88.5° |
| Duration |
305.0° |
| Valve Timing-Intake Valve |
| Closes (BTDC) |
86.5° |
| Opens |
23.5° |
| Duration |
297.0° |
| Valve Overlap |
60.0° |
| Hydraulic Tappets |
| Body Diameter |
22.949-22.962 mm (0.9035-0.9040 in.) |
| Clearance in Block |
0.013-0.043 mm (0.0005-0.0017 in.) |
| Plunger Travel Minimum (Dry) |
4.24 mm (0.167 in.) |
| Push Rod Length (Overall) |
193.22-193.73 mm (7.607-7.627 in.) |
| Cylinder Head |
| Gasket Thickness (Compressed) |
1.35 mm (0.053 in.) |
| Cylinder Head Valve Seat |
| Seat Angle |
44°-44.5° |
| Runout (Max) |
0.038 mm (0.002 in.) |
| Width (Finish) Intake and Exhaust |
1.02-1.52 mm (0.040-0.060 in.) |
| Guide Bore Diameter (Std) |
7.95-7.98 mm (0.313-0.314 in.) |
| Valves |
| Face Angle |
45°-45.5° |
| Stem Diameter-Intake and Exhaust |
7.90-7.92 mm (0.311-0.312 in.) |
| Head Diameter-Intake |
50.67-50.93 mm (1.995-2.005 in.) |
| Head Diameter-Exhaust |
40.01-40.26 mm (1.575-1.585 in.) |
| Length-Intake (Overall) |
145.69-146.33 mm (5.736-5.761 in.) |
| Length-Exhaust (Overall) |
146.23-146.86 mm (5.757-5.782 in.) |
| Valve Margin-Intake |
1.30 mm (0.051 in.) |
| Valve Margin-Exhaust |
2.03 mm (0.080 in.) |
| Lift-Intake (Zero Lash) |
14.06 mm (0.554 in.) |
| Lift-Exhaust (Zero Lash) |
14.06 mm (0.554 in.) |
| Valve Stem Tip Height |
52.96 mm (2.085 in.) |
| Stem-to-Guide Clearance-Intake and Exhaust |
0.025-0.076 mm (0.001-0.003 in.) |
| Max. Allowable-Intake (Rocking Method) |
0.50 mm (0.020 in.) |
| Max. Allowable-Exhaust (Rocking Method) |
0.70 mm (0.027 in.) |
| Valve Springs |
| Free Length |
55.0 mm (2.165 in.) |
| Spring Tension (Valve Closed) |
445 - 467 N @ 44.45 mm (100 - 105 lbs. @ 1.75 in.) |
| Spring Tension (Valve Open) |
1290 - 1357 N @ 30.73 mm (290 - 305 lbs. @ 1.21 in.) |
| Number of Coils |
7.4 Right Hand Twist |
| Wire Diameter (Ovate) |
4.06 x 4.83 mm (.160 x .190 in.) |
| Installed Height (Spring Seat to Bottom of Retainer) |
43.69 - 44.45 mm (1.72 - 1.75 in.) |
| Oil Pump |
| Clearance Over Rotors (Max.) |
0.077 mm (0.003 in.) |
| Cover Out-of-Flat (Max.) |
0.076 mm (0.003 in.) |
| Inner Rotor Thickness (Min.) |
18.92 mm (0.744 in.) |
| Outer Rotor (Oil Pump) |
| Clearance (Max.) |
0.19 mm (0.007 in.) |
| Diameter (Min.) |
82.45 mm (3.246 in.) |
| Thickness (Min.) |
18.92 mm (0.744 in.) |
| Tip Clearance Between Rotors (Max.) 0.150 mm (0.0068 in.) |
| Oil Pressure |
| At Curb Idle Speed |
68.9 kPa (10 psi) |
| At 3000 rpm |
310-517 kPa (45-75 psi) |