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Engine Specifications

GENERAL SPECIFICATIONS

Description Specification
Type 60° DOHC V-6 24-Valve
Compression Ratio 10.7:1
Lead Cylinder #1 Right Bank
Firing Order 1-2-3-4-5-6
Description Metric Standard
Displacement 3.2 Liters 195 Cubic Inches
Bore and Stroke 91.0 x 83.0 mm 3.583 in. x 3.268 in.
CYLINDER BLOCK

Description Specification
Metric Standard
Cylinder Bore Diameter - Grade 1 90.995 mm ± 0.005 mm 3.5825 in. ± 0.0002 in.
Cylinder Bore Diameter - Grade 2 91.005 mm ± 0.005 mm 3.5829 in. ± 0.0002 in.
Cylinder Bore Out-of-Round (Max.) 0.009 mm 0.00035 in.
Cylinder Bore Cylindricity 0.014 mm 0.0006 in.
Crankshaft Bore Taper* (Max.) 0.006 mm 0.0002 in.
Engine Oil Galley Plug** 0.0 mm - 2.0 mm 0.0 in - 0.0787 in
*Measured over length of bulkhead
**Measured proud of machined surface
PISTONS

Description Specification
Metric Standard
Material Cast Aluminum Alloy
Piston Diameter (Metal to Metal) - Grade 1 90.955 mm ± 0.005 mm 3.5809 in. ± 0.0002 in.
Piston Diameter (Metal to Metal) - Grade 2 90.965 mm ± 0.005 mm 3.5813 in. ± 0.0002 in.
Piston Diameter (Metal to Coating) - Grade 1 90.970 - 91.000 mm 3.5815 - 3.5827 in.
Piston Diameter (Metal to Coating) - Grade 2 90.980 - 91.010 mm 3.5819 - 3.5831 in.
Clearance at Size Location (Metal to Metal) 0.030 - 0.050 mm 0.0012 - 0.0020 in.
Clearance at Size Location (Metal to Coating) -0.010 - 0.030 mm -0.0004 - 0.0012 in.
Piston Weight 351.4 - 361.4grams 12.395 - 12.748 oz.
Piston Pin Offset 0.8 mm 0.031 in.
Piston Ring Groove Diameter - No. 1 83.85 - 83.65 mm 3.301 - 3.293 in.
Piston Ring Groove Diameter - No. 2 82.05 - 81.85 mm 3.230 - 3.222 in.
Piston Ring Groove Diameter - No. 3 84.20 - 84.00 mm 3.315 - 3.307 in.
PISTON PINS

Description Specification
Metric Standard
Type Full Floating
Pin Diameter 21.9985 ± 0.0015 mm 0.86608 ± 0.00006 in.
Clearance in Piston 0.003 - 0.012 mm 0.0001 - 0.0005 in.
Clearance in Rod 0.011 - 0.024 mm 0.0004 - 0.0009 in.
PISTON RINGS

Description Specification
Metric Standard
Ring Gap - Number 1 Ring (Top) 0.22 - 0.37 mm 0.009 - 0.015 in.
Ring Gap - Number 2 Ring (Center) 0.27 - 0.42 mm 0.011 - 0.017 in.
Ring Gap - Oil Control Ring (Steel Rails) 0.15 - 0.66 mm 0.006 - 0.026 in.
PISTON RING SIDE CLEARANCE

Description Specification
Metric Standard
Number 1 Ring (Top) 0.025 - 0.083 mm 0.0010 - 0.0033 in.
Number 2 Ring (Center) 0.030 - 0.078 mm 0.0012 - 0.0031 in.
Oil Control Ring (Steel Rails) 0.061 - 0.210 mm 0.0024 - 0.0083 in.
PISTON RING WIDTH

Description Specification
Metric Standard
Number 1 Ring (Top) 2.80 - 3.00 mm 0.110 - 0.118 in.
Number 2 Ring (Center) 3.37 - 3.67 mm 0.133 - 0.144 in.
Oil Control Ring (Steel Rails) 1.930 - 2.083 mm 0.076 - 0.082 in.
CONNECTING RODS

Description Specification
Metric Standard
Bearing Clearance (With Crush) 0.023 - 0.064 mm 0.0009 - 0.0025 in.
Side Clearance 0.070 - 0.370 mm 0.0028 - 0.0146 in.
Side Clearance (Max.) 0.370 mm 0.0146 in.
Piston Pin Bore Diameter 22.016 ± 0.005 mm 0.8668 ± 0.0002 in.
Bearing Bore Out of Round (Max.) 0.008 mm 0.0003 in.
Total Weight (Less Bearing) 512.6 ± 8 grams 18.08 ± 0.28 oz.
CRANKSHAFT MAIN BEARING JOURNALS

Description Specification
Metric Standard
Diameter 67.996 ± 0.011 mm 2.677 ± 0.0004 in.
Bearing Clearance 0.024 - 0.050 mm 0.0009 - 0.0020 in.
Bearing Clearance (Max.) 0.050 mm 0.0020 in.
Out of Round (Max.) 0.005 mm 0.0002 in.
Taper (Max.) 0.005 mm 0.0002 in.
End Play 0.050 - 0.290 mm 0.0020 - 0.0114 in.
End Play (Max.) 0.290 mm 0.0114 in.
CONNECTING ROD JOURNALS

Description Specification
Metric Standard
Diameter 54.0 ± 0.009 mm 2.1260 ± 0.0035 in.
Bearing Clearance 0.023 - 0.064 mm 0.0009 - 0.0025 in.
Out of Round (Max.) 0.005 mm 0.0002 in.
Taper (Max.) 0.005 mm 0.0002 in.
CAMSHAFT

Description Specification
Metric Standard
Bore Diameter - No. 1 Cam Towers 32.020 - 32.041 mm 1.2606 - 1.2615 in.
Bore Diameter - No. 2, 3, 4 Cam Towers 24.020 - 24.041 mm 0.9457 - 0.9465 in.
Bearing Journal Diameter - No. 1 31.976 - 31.995 mm 1.2589 - 1.2596 in.
Bearing Journal Diameter - No. 2, 3, 4 23.977 - 23.996 0.9440 - 0.9447 in.
Bearing Clearance - No. 1 0.025 - 0.065 mm 0.00010 - 0.0026 in.
Bearing Clearance - No. 2, 3, 4 0.024 - 0.064 mm 0.0009 - 0.0025 in.
End Play 0.114 - 0.214 mm 0.004 - 0.008 in.
VALVE TIMING-INTAKE VALVES

Description Specification
Opens 5.4° (ATDC)
Closes 79.4° (ABDC) or 259.4° (ATDC)
Duration 254°
Centerline 131.4°
Note: Units are in crank degrees, using 0.1524 mm (0.006 in.) valve lift as the threshold.
VALVE TIMING-EXHAUST VALVES

Description Specification
Opens 84° (BBDC) or 264° (BTDC)
Centerline 129°
Closes 11° (ATDC)
Duration 275°
Valve Overlap 56°
Note: Units are in crank degrees, using 0.1524 mm (0.006 in.) valve lift as the threshold.
CYLINDER HEAD

Description Specification
Metric Standard
Gasket Thickness* (Compressed) 0.52 - 0.62 mm 0.020 - 0.024 in.
Flatness (Head Gasket Surface) 0.09 mm 0.0035 in.
Valve Seat Angle 44.75° ± 0.25° from the valve guide axis
Valve Seat Runout (relative to the valve guide axis) - Intake and Exhaust 0.050 mm 0.002 in.
Intake Valve Seat Width 0.95 - 1.25 mm 0.04 - 0.05 in.
Exhaust Valve Seat Width 1.36 - 1.66 mm 0.054 - 0.065 in.
Guide Bore Diameter (Std.) 6.00 - 6.02 mm 0.236 - 0.237 in.
Valve Guide Height** - Intake and Exhaust 16.05 - 16.55 mm 0.632 - 0.652 in.
*Measured at the fire ring, not at the outer edge
**Measured from cylinder head valve spring seat surface to top of guide
VALVES

Description Specification
Metric Standard
Face Angle 45.25° ± 0.25°
Head Diameter - Intake 37.3 ± 0.100 mm 1.469 ± 0.004 in.
Head Diameter - Exhaust 30.0 ± 0.100 mm 1.181 ± 0.004 in.
Length-Intake (Overall) 115.269 ± 0.23 mm 4.538 ± 0.009 in.
Length-Exhaust (Overall) 115.6 ± 0.23 mm 4.551 ± 0.009 in.
Stem Diameter - Intake 5.968 ± 0.009 mm 0.2350 ± 0.0004 in.
Stem Diameter - Exhaust 5.961± 0.009 mm 0.2347 ± 0.0004 in.
Stem-to-Guide Clearance - Intake (New) 0.023 - 0.061 mm 0.0009 - 0.0024 in.
Stem-to-Guide Clearance - Exhaust (New) 0.030 - 0.068 mm 0.0012 - 0.0027 in.
Stem-to-Guide Clearance-Intake (Max., Rocking Method) 0.29 mm 0.011 in.
Stem-to-Guide Clearance - Exhaust (Max., Rocking Method) 0.37 mm 0.015 in.
Valve Lift-Intake (Zero Lash) 10.6 mm 0.417 in.
Valve Lift-Exhaust (Zero Lash) 9.67 mm 0.381 in.
Valve Stem Tip Height* - Intake 52.4 - 53.5 mm 2.063 - 2.106 in.
Valve Stem Tip Height* - Exhaust 51.8 - 52.9 mm 2.039 - 2.083 in.
*Valve tip to aluminum spring seat boss
VALVE SPRING

Description Specification
Metric Standard
Free Length - Intake AND Exhaust (Approx.) 52.5 mm 2.067 in.
Spring Force - Intake AND Exhaust (Valve Closed) 295 ± 13 N @ 40.0 mm 66 ± 3 lbs. @ 1.57 in.
Spring Force - Intake (Valve Open) 699 ± 31 N @ 10.6 mm 150.4 ± 7 lbs. @ 0.4173 in.
Spring Force - Exhaust (Valve Open) 663 ± 31 N @ 9.67 mm 149 ± 7 lbs. @ 0.3807 in.
Number of Coils - Intake AND Exhaust 9.35
Wire Diameter - Intake AND Exhaust 3.18 x 3.99 mm (ovate) 0.125 x 0.157 in. (ovate)
Installed Height - Intake AND Exhaust (Spring seat top to bottom of retainer) 40.0 mm 1.575 in.
OIL PRESSURE

Description Specification
Metric Standard
(Note: At Normal Operating Temperatures)
Pressure @ Curb Idle Speed* 34.7 kPa Min. 5 psi Min.
Pressure @ 600 - 1200 RPM 34.7 (warm) - 958.0 (cold) kPa 5 (warm) - 139 (cold) psi
Pressure @ 1201 - 3500 RPM 206.8 (warm) - 958.0 (cold) kPa 30 (warm) - 139 (cold) psi
Pressure @ 3501 - 6400 RPM 427.0 (warm) - 958.0 (cold) kPa 62 (warm) - 139 (cold) psi
*CAUTION: If oil pressure is zero at idle, DO NOT run engine at 3000 RPM.
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