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 ⁽¹⁾ (Max.)

0.006 mm

0.0002 in.

Flatness (Head Gasket Surface)

0.09 mm

0.0035 in.

⁽¹⁾	Measured over length of bulkhead

Engine Oil Galley Plug ⁽²⁾

0.0 mm - 2.0 mm

0.0 in - 0.0787 in

⁽²⁾	Measured proud of machined surface

PISTONS

Description	Specification
Description	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
Description	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
Description	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
Description	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
Description	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
Description	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
Description	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
Description	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
Description	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 ⁽¹⁾ (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 ⁽²⁾ - Intake and Exhaust

16.05 - 16.55 mm

0.632 - 0.652 in.

⁽¹⁾	Measured at the fire ring, not at the outer edge

⁽²⁾	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 ⁽¹⁾ - Intake

52.4 - 53.5 mm

2.063 - 2.106 in.

Valve Stem Tip Height ⁽¹⁾ - Exhaust

51.8 - 52.9 mm

2.039 - 2.083 in.

⁽¹⁾	Valve tip to aluminum spring seat boss

VALVE SPRING

Description	Specification
Description	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 ⁽¹⁾

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

⁽¹⁾	CAUTION: If oil pressure is zero at idle, DO NOT run the engine.