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Engine Specifications

WARNING: This page is about a different variant/trim than selected.
GENERAL SPECIFICATIONS

Description Specification
Type 60° DOHC V-6 24-Valve
Compression Ratio 11.3:1
Lead Cylinder #1 Right Bank
Firing Order 1-2-3-4-5-6
Description  Metric  Standard 
Displacement 3.6 Liters 220 Cubic Inches
Bore and Stroke 96.0 x 83.0 mm 3.779 in. x 3.268 in.
CYLINDER BLOCK

Description Specification
Metric Standard
Cylinder Bore Diameter - Grade 1 95.995 mm ± 0.005 mm 3.7793 in. ± 0.0002 in.
Cylinder Bore Diameter - Grade 2 96.005 mm ± 0.005 mm 3.7797 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.
Flatness (Head Gasket Surface) 0.09 mm 0.0035 in.
*Measured over length of bulkhead
Engine Oil Galley Plug** 0.0 mm - 2.0 mm 0.0 in - 0.0787 in
**Measured proud of machined surface
PISTONS

Description Specification
Metric Standard
Material Cast Aluminum Alloy
Piston Diameter (Metal to Metal) - Grade 1 95.955 mm ± 0.005 mm 3.7778 in. ± 0.0002 in.
Piston Diameter (Metal to Metal) - Grade 2 95.965 mm ± 0.005 mm 3.7781 in. ± 0.0002 in.
Piston Diameter (Metal to Coating) - Grade 1 95.970 - 96.000 mm 3.7783 - 3.7795 in.
Piston Diameter (Metal to Coating) - Grade 2 95.980 - 96.010 mm 3.7787 - 3.7835 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 354 - 364 grams 12.487 - 12.840 oz.
Piston Pin Offset 0.8 mm 0.031 in.
Piston Ring Groove Diameter - No. 1 88.24 - 88.44 mm 3.474 - 3.482 in.
Piston Ring Groove Diameter - No. 2 86.54 - 86.74 mm 3.407 - 3.415 in.
Piston Ring Groove Diameter - No. 3 89.16 - 89.36 mm 3.510 - 3.518 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 0.002 - 0.011 mm 0.0001 - 0.0004 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) 0.25 - 0.40 mm 0.010 - 0.016 in.
Ring Gap - Number 2 Ring (Center) 0.30 - 0.45 mm 0.012 - 0.018 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) 0.007 - 0.173 mm 0.0003 - 0.0068 in.
PISTON RING WIDTH

Description Specification
Metric Standard
Number 1 Ring (Top) 3.00 - 3.20 mm 0.118 - 0.126 in.
Number 2 Ring (Center) 3.59 - 3.85 mm 0.141 - 0.152 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) 546.7 ± 8 grams 19.28 ± 0.28 oz.
CRANKSHAFT MAIN BEARING JOURNALS

Description Specification
Metric Standard
Diameter 71.996 ± 0.009 mm 2.8345 ± 0.0035 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 59.0 ± 0.009 mm 2.3228 ± 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 1.260 - 1.261 in.
Bore Diameter - No. 2, 3, 4 Cam Towers 24.020 - 24.041 mm 0.945 - 0.946 in.
Bearing Journal Diameter - No. 1 31.976 - 31.995 mm 1.259 - 1.260 in.
Bearing Journal Diameter - No. 2, 3, 4 23.977 - 23.996 mm 0.944 - 0.945 in.
Bearing Clearance - No. 1 0.026 - 0.065 mm 0.001 - 0.003 in.
Bearing Clearance - No. 2, 3, 4 0.025 - 0.064 mm 0.000 - 0.002 in.
High Lift Intake Duration
Valve Timing @ 0.1524 mm Valve Lift (0.006")
261°
Low Lift Intake Duration
Valve Timing @ 0.1524 mm Valve Lift (0.006")
147°
Duration - Exhaust
Valve Timing @ 0.1524 mm Valve Lift (0.006")
  260°
End Play .214 mm 0.008 in.
Valve High Lift-Intake (Zero Lash) 10.3 mm 0.406 in.
Valve Low Lift-Intake (Zero Lash) 5.75 mm 0.226 in.
Valve Lift-Exhaust (Zero Lash) 10.0 mm 0.394 in.
VALVE TIMING-INTAKE VALVES

Description Specification
High Lift - Opens 19° (ATDC)
Low Lift - Opens 32° (ATDC)
High Lift - Closes 280° (ATDC)
Low Lift - Closes 179° (ATDC)
High Lift - Centerline 146°
Low Lift - Centerline 104°
Note: Units are in crank degrees, using valve timing @ 0.1524 mm Valve Lift (0.006") as the threshold.
VALVE TIMING-EXHAUST VALVES

Description Specification
Opens 250° (BTDC)
Closes 10° (ATDC)
Centerline 123°
Note: Units are in crank degrees, using valve timing @ 0.1524 mm Valve Lift (0.006") as the threshold.
CYLINDER HEAD

Description Specification
Metric Standard
Gasket Thickness* (Compressed) 0.48 - 0.60 mm 0.019 - 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 1.0 - 1.2 mm 0.04 - 0.05 in.
Exhaust Valve Seat Width 1.41 - 1.61 mm 0.055 - 0.063 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 39.0 ± 0.100 mm 1.535 ± 0.004 in.
Head Diameter - Exhaust 30.0 ± 0.100 mm 1.181 ± 0.004 in.
Length-Intake (Overall) 116.54 ± 0.23 mm 4.588 ± 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 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) 688 ± 31 N @ 10.3 mm 155 ± 7 lbs. @ 0.4055 in.
Spring Force - Exhaust (Valve Open) 676 ± 30 N @ 10.0 mm 152 ± 6 lbs. @ 0.3937 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 the engine.