Engine Mechanical Specifications

ENGINE MECHANICAL SPECIFICATIONS

Application		Specification
Application		Metric	English
General Data		Engine Type	60 degree V-6
	Displacement	3.4L	204 cu in
	RPO - VIN Code	LA1 (E)
	Bore	92 mm	3.62 in
	Stroke	84 mm	3.31 in
	Compression Ratio	9.6:1
	Firing Order	1-2-3-4-5-6
	Oil Pressure - Warm	103 kPa	15 psi @ 1100 RPM
Cylinder Bore
	Diameter	92.019-92.037 mm	3.6228-3.6235 in
	Out Of Round Maximum	0.009 mm	0.00035 in
	Taper - Thrust Side Maximum	0.010 mm	0.0004 in
Piston - non-coated
	Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - production	91.985-92.003 mm	3.6215-3.222 in
	Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - service limit	91.955-91.973 mm	3.620-3.621 in
	Clearance - production	0.016-0.052 mm	0.0006-0.0020 in
	Clearance - service limit	0.047-0.083 mm	0.0019-0.0033 in
	Pin Bore	23.005-23.010 mm	0.9057-0.9059 in
Piston - Grafal coated
	Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - production	91.990-92.028 mm	3.6217-3.6232 in
	Diameter-Gaged on the skirt 50 mm (0.02 in) from the top of piston - service limit	91.950-91.988 mm	3.6201-3.6216 in
	Clearance - production	0.008-0.048 mm	0.00031-0.0019 in
	Clearance - service limit	0.032-0.088 mm	0.0013-0.0035 in
	Pin Bore	23.005-23.010 mm	0.9057-0.9059 in
Piston Ring
	Top Groove Side Clearance	0.04-0.086 mm	0.002-0.0034 in
	Second Groove Side Clearance	0.04-0.09 mm	0.002-0.0035 in
	Top Ring Gap	0.21-0.48 mm	0.008-0.019 in
	Second Ring Gap	0.54-0.86 mm	0.0213-0.0339 in
	Oil Ring Groove Clearance	0.46-0.20 mm	0.0018-0.0079 in
	Gap in Cylinder Bore	0.31-0.89 mm	0.012-0.035 in
Piston Pin
	Diameter	22.994-22.997 mm	0.9053-0.9054 in
	Clearance In Piston	0.008-0.016 mm	0.00031-0.00063 in
	Fit In Rod	-0.047 to -0.019 mm press fit	-0.0019 to -0.0007 in
Crankshaft
	Main Journal Diameter	67.239-67.257 mm	2.6473-2.6483 in
	Main Journal Taper	0.005 mm	0.0002 in
	Out Of Round - Max	0.005 mm	0.0002 in
	Flange Runout - Max	0.04 mm	0.0016 in
	Cylinder Block Main Bearing Bore Diameter	72.155-72.168 mm	2.8407-2.8412 in
	Crankshaft Main Bearing Inside Diameter	67.289-67.316 mm	2.6492-2.6502 in
	Main Bearing Clearance	0.019-0.064 mm	0.0008-0.0025 in
	Main Thrust Bearing Clearance	0.032-0.077 mm	0.0012-0.0030 in
	Crankshaft End Play	0.060-0.210 mm	0.0024-0.0083 in
	Crankshaft Flange Runout - Max	0.04 mm	0.0016 in
Connecting Rod
	Rod Bearing Journal Diameter	50.768-50.784 mm	1.9987-1.9994 in
	Rod Bearing Journal Taper - Max	0.005 mm	0.0002 in
	Rod Bearing Journal Out Of Round - Max	0.005 mm	0.0002 in
	Rod Bearing Bore Diameter	53.962-53.984 mm	2.124-2.125 in
	Rod Inside Bearing Diameter	50.812-50.850 mm	2.000-2.002 in
	Rod Bearing Journal Clearance	0.018-0.062 mm	0.0007-0.0024 in
	Rod Side Clearance	0.18-0.44 mm	0.007-0.017 in
Camshaft
	Lobe Lift - Intake and Exhaust	6.9263 mm	0.2727 in
	Journal Diameter	47.45-47.48 mm	1.868-1.869 in
	Camshaft Bearing Bore Diameter-Front and Rear	51.03-51.08 mm	2.009-2.011 in
	Camshaft Bearing Bore Diameter-Middle #2 and #3	50.77-50.82 mm	1.999-2.001 in
	Camshaft Bearing Inside Diameter	47.523-47.549 mm	1.871-1.872 in
	Journal Clearance	0.026-0.101 mm	0.001-0.0039 in
	Journal Runout - Max	0.025 mm	0.001 in
Valve System
	Roller Lifter	Hydraulic
	Rocker Arm Ratio	1.60:1
	Valve Face Angle	45 degrees
	Seat Angle	46 degrees
	Valve Seat Runout	0.050 mm	0.002 in
	Seat Width-Intake	1.55-1.80 mm	0.061-0.071 in
	Seat Width-Exhaust	1.70-2.0 mm	0.067-0.079 in
	Valve Margin - Minimum Intake	2.10 mm	0.083 in
	Valve Margin - Minimum Exhaust	2.70 mm	0.106 in
	Valve Stem Clearance	0.026-0.068 mm	0.0010-0.0027 in
Valve Spring
	Valve Springs Free Length	48.5 mm	1.89 in
	Valve Springs Load - Closed	320 N @ 43.2 mm	75 lb @ 1.701 in
	Valve Springs Load - Open	1036 N @ 32 mm	230 lb @ 1.260 in
	Installed Height Intake-Exhaust	43.2 mm	1.701 in
	Approximate number of coils	6.55
Oil Pump
	Gear Lash	0.094-0.195 mm	0.0037-0.0077 in
	Gear Pocket Depth	30.52-30.58 mm	1.202-1.204 in
	Gear Pocket Diameter	38.176-38.226 mm	1.503-1.505 in
Oil Pump Gear
	Length	30.45-30.48 mm	1.199-1.200 in
	Diameter	38.05-38.10 mm	1.498-1.500 in
	Side Clearance	0.038-0.088 mm	0.001-0.003 in
	End Clearance	0.040-0.125 mm	0.002-0.005 in
	Valve to Bore Clearance	0.038-0.089 mm	0.0015-0.0035 in