SPECIFICATIONS

SPECIFICATIONS - 4.7L ENGINE

DESCRIPTION	SPECIFICATION
Engine Type	90° SOHC V-8 16-Valve
Displacement	4.7 Liters / 4701 cc
	287 ( Cubic Inches)
Bore	93.0 mm (3.66 in.)
Stroke	86.5 mm (3.40 in.)
Compression Ratio	9.0:1
Max. Variation Between Cylinders	25%
Horsepower	235 BHP @ 4800 RPM
Torque	295 LB-FT @ 3200 RPM
Lead Cylinder	#1 Left Bank
Firing Order	1-8-4-3-6-5-7-2

DESCRIPTION	SPECIFICATION
DESCRIPTION	Metric	Standard
Main Bearing Journal Diameter	63.488 - 63.512 mm	2.4996 - 2.5005 in.
Bearing Clearance	0.004 - 0.034 mm	0.0002 - 0.0013 in.
Out of Round (MAX)	0.005 mm	0.0004 in.
Taper (MAX)	0.008 mm	0.0004 in.
End Play	0.052 - 0.282 mm	0.0021 - 0.0112 in.
End Play (MAX)	0.282 mm	0.0112 in.
Connecting Rod Journal Diameter	50.992 - 51.008 mm	2.0076 - 2.0082 in.
Bearing Clearance	0.010 - 0.048	0.0004 - 0.0019 in.
Out of Round (MAX)	0.005 mm	0.0002 in.
Taper (MAX)	0.008 mm	0.0004 in.

DESCRIPTION	SPECIFICATION
Face Angle	45° - 45.5°
Head Diameter
Intake	48.52 - 48.78 mm
	(1.9103 - 1.9205 in.)
Exhaust	36.87 - 37.13 mm
	(1.4516 - 1.4618 in.)
Length (Overall)
Intake	113.45 - 114.21 mm
	(4.4666 - 4.4965)
Exhaust	114.92 - 115.68 mm
	(4.5244 - 4.5543 in.)
Stem Diameter
Intake	6.931 - 6.957 mm
	(0.2729 - 0.2739 in.)
Exhaust	6.902 - 6.928 mm
	(0.2717 - 0.2728 in.)
Stem - to - Guide Clearance
Intake	0.018 - 0.069 mm
	(0.0008 - 0.0028 in.)
Exhaust	0.047 - 0.098 mm
	(0.0019 - 0.0039 in.)
Max. Allowable Stem - to - Guide Clearance (Rocking Method)
Intake	0.069 mm (0.0028 in.)
Exhaust	0.098 mm (0.0039 in.)
Valve Lift (Zero Lash)
Intake	11.25 mm (0.443 in.)
Exhaust	10.90 mm (0.4292 in.)

DESCRIPTION	SPECIFICATION
Free Length (Approx)
Intake	49.0 mm (1.9291 in.)
Exhaust	49.0 mm (1.9291 in.)
Spring Force (Valve Closed)
Intake and Exhaust	313.0 - 354.0 N @ 40.12 mm (70.365 - 79.582 lbs. @ 1.5795 in.)
Spring Force (Valve Open)
Intake and Exhaust	776.0 - 870.0 N @ 28.88 mm (174.451 - 195.583 lbs. @ 1.137 in.)
Number of Coils
Intake	7.3
Exhaust	7.3
Wire Diameter
Intake and Exhaust	4.6 × 3.67mm
	(0.1811 - 0.1445 in.)
Installed Height (Spring Seat to Bottom of Retainer)
Nominal
Intake	40.12 mm (1.579 in.)
Exhaust	40.12 mm (1.579 in.)

DESCRIPTION	SPECIFICATION
Gasket Thickness (Compressed)	0.7 mm (0.0276 in.)
Valve Seat Angle	44.5° - 45.0°
Valve Seat Runout (MAX)	0.051 mm (0.002 in.)
Valve Seat Width
Intake	1.75 - 2.36 mm
	(0.0698 - 0.0928 in.)
Exhaust	1.71 - 2.32 mm
	(0.0673 - 0.0911 in.)
Guide Bore Diameter (Std.)	6.975 - 7.00 mm
	(0.2747 - 0.2756 in.)
Cylinder Head Warpage (Flatness)	0.0508 mm (0.002 in.)

DESCRIPTION	SPECIFICATION
Clearance Over Rotors/End Face (MAX)	0.095 mm (0.0038 in.)
Cover Out - of -Flat (MAX)	0.025 mm (0.001 in.)
Inner and Outer Rotor Thickness	12.02 mm (0.4731 in.)
Outer Rotor to pocket (Diametral) clearance (MAX)	.235 mm (.0093 in.)
Outer Rotor Diameter (MIN)	85.925 mm (0.400 in.)
Tip Clearance Between Rotors (MAX)	0.150 mm (0.006 in.)

SPECIFICATION	SPECIFICATION
At Curb Idle Speed (MIN)*	48 kPa (7 psi)
@ 3000 rpm	240 - 725 kPa (35 - 105 psi)
* CAUTION: If pressure is zero at curb idle, DO NOT run engine at 3000 rpm.

DESCRIPTION	N·m	Ft.	In.
		Lbs.	Lbs.
Camshaft
Non - Oiled Sprocket Bolt	122	90	—
Bearing Cap Bolts	11	—	100
Timing Chain Cover—Bolts	58	43	—
Connecting Rod Cap—Bolts	27	20	—
PLUS 90° TURN
Bed Plate—Bolts	Refer to Procedure
Cylinder Head—Bolts	Refer to Procedure
Crankshaft Damper—Bolt	175	130	—
Cylinder Head Cover—Bolts	12	—	105
Exhaust Manifold—Bolts	25	18	—
Exhaust Manifold Heat Shield—Nuts	8	—	72
Then loosen 45°
Flexplate—Bolts	60	45	—
Engine Mount Bracket to Block—Bolts	61	45	—
Rear Mount to Transmission—Bolts	46	34	—
Generator Mounting—Bolts
M10 Bolts	54	40	—
M8 Bolts	28	—	250
Intake Manifold—Bolts	12	—	105
Refer to Procedure for
Tightening Sequence
Oil Pan—Bolts	15	—	130
Oil Pan—Drain Plug	34	25	—
Oil Pump—Bolts	28	—	250
Oil Pump Cover—Bolts	12	—	105
Oil Pickup Tube—Bolt and Nut	28	—	250
Oil Dipstick Tube to Engine
Block—Bolt	15	—	130
Oil Fill Tube—Bolts	12	—	105
Timing Chain Guide—Bolts	28	—	250
Timing Chain Tensioner Arm	28	—	250
Hydraulic Tensioner—Bolts	28	—	250
Timing Chain Primary Tensioner—Bolts	28	—	250
Timing Drive Idler Sprocket—Bolt	34	25	—
Thermostat Housing—Bolts	13	—	115
Water Pump—Bolts	58	43	—