Engine Mechanical Specifications. Pontiac Montana SV6 2006

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2006 🢒 Montana SV6 🢒 Engine 🢒 Engine Mechanical - 3.5L 🢒 Engine Mechanical Specifications

Application	Specification
Application	Metric	English
General Data
Engine Type	60 degree V-6
Displacement	3.5L	214 cu in
RPO	LX9
VIN	L
Bore	94 mm	3.70 in
Stroke	84 mm	3.31 in
Compression Ratio	9.8:1
Firing Order	123456
Spark Plug Gap	1.52 mm	0.060 in
Block
Camshaft Bearing Bore Diameter - Front and Rear	51.03-51.08 mm	2.009-2.011 in
Camshaft Bearing Bore Diameter - Middle #2, #3	50.77-50.82 mm	1.999-2.001 in
Crankshaft Main Bearing Bore Diameter	72.1535-72.1695 mm	2.840-2.841 in
Crankshaft Main Bearing Bore Out-of-Round	0.008 mm	0.00031 in
Cylinder Bore Diameter	93.991-94.009 mm	3.700-3.701 in
Cylinder Bore Out-of-Round - Diameter - Production	0.020 mm	0.0008 in
Cylinder Bore Out-of-Round - Diameter - Service	0.025 mm	0.001 in
Cylinder Bore Taper - Production	0.020 mm	0.0008 in
Cylinder Bore Taper - Service	0.025 mm	0.001 in
Cylinder Head Deck Height	224 mm	8.818 in
Cylinder Head Deck Surface Flatness	0.05 mm per 152 mm	0.0019 in per 6 in
Valve Lifter Bore Diameter	21.417-21.455 mm	0.843-0.844 in
Camshaft
Camshaft Bearing Inside Diameter	47.516-47.541 mm	1.871-1.872 in
Camshaft Journal Diameter	47.443-47.468 mm	1.868-1.869 in
Camshaft Journal Out-of-Round	0.003 mm	0.0001 in
Camshaft Lobe Lift - Exhaust	6.9263 mm	0.2727 in
Camshaft Lobe Lift - Intake	6.9263 mm	0.2727 in
Cooling System
Thermostat Full Open Temperature	195 degrees
Connecting Rod
Connecting Rod Bearing Clearance	0.18-0.062 mm	0.0007-0.017 in
Connecting Rod Bore Diameter	60.322-60.338 mm	2.375-2.376 in
Connecting Rod Bore Out-of-Round	0.006 mm	0.00023 in
Connecting Rod Length - Center to Center	150 mm	5.9 in
Connecting Rod Side Clearance	0.200-0.241 mm	0.008-0.009 in
Connecting Rod Journal Diameter	57.122-57.138 mm	2.249-2.250 in
Crankshaft
Connecting Rod Journal Diameter	57.122-57.138 mm	2.248-2.249 in
Connecting Rod Journal Out-of-Round	0.005 mm	0.0002 in
Connecting Rod Journal Taper	0.008 mm	0.0003 in
Connecting Rod Journal Width	21.92-22.08 mm	0.863-0.869 in
Crankshaft End Play	0.060-0.210 mm	0.0024-0.0083 in
Crankshaft Main Bearing Journal Width	23.9-24.1 mm	0.941-0.949 in
Crankshaft Main Bearing Clearance	0.019-0.064 mm	0.0008-0.0025 in
Crankshaft Main Journal Diameter	67.239-67.257 mm	2.6473-2.6483 in
Crankshaft Main Journal Out-of-Round	0.005 mm	0.0002 in
Crankshaft Main Journal Taper	0.008 mm	0.0003 in
Crankshaft Rear Flange Runout	0.04 mm	0.0016 in
Cylinder Head
Combustion Chamber Depth - at Measurement Point	2.2 mm	0.087 in
Surface Finish - Maximum	2.8 RA
Surface Flatness - Block Deck	0.08 mm Per 152 mm	0.003 in Per 6 in
Surface Flatness - Exhaust Manifold Deck	0.1 mm	0.004 in
Surface Flatness - Intake Manifold Deck	0.1 mm	0.004 in
Valve Guide Bore - Exhaust	8.01 mm	0.315 in
Valve Guide Bore - Intake	8.01 mm	0.315 in
Valve Guide Installed Height	16.6 mm	0.654 in
Lubrication System
Oil Capacity - with Filter	3.8 liter	4.0 quarts
Oil Capacity - without Filter	3.3 liter	3.5 quarts
Oil Pressure - @ 1850 RPM	207-310 kPa	30-45 PSI
Oil Pump
Gear Diameter	38.05-38.10 mm	1.498-1.500 in
Gear Pocket - Depth	30.53-30.59 mm	1.202-1.204 in
Gear Pocket - Diameter	38.176-38.226 mm	1.503-1.505 in
Gears Lash	0.094-0.195 mm	0.0037-0.0077 in
Relief Valve-to-Bore Clearance	0.038-0.089 mm	0.0015-0.0035 in
Piston Ring End Gap
First Compression Ring	0.18-0.39 mm	0.007-0.015 in
Second Compression Ring	0.48-0.74 mm	0.019-0.029 in
Oil Control Ring	0.25-0.74 mm	0.010-0.029 in
Piston Ring to Groove Clearance
First Compression Ring	0.03-0.076 mm	0.001-0.003 in
Second Compression Ring	0.04-0.078 mm	0.002-0.003 in
Oil Control Ring	0.09 mm	0.004 in
Piston Ring Thickness
First Compression Ring	1.164-1.190 mm	0.046-0.047 in
Second Compression Ring	1.472-1.490 mm	0.058 in
Oil Control Ring - Maximum	2.440 mm	0.096 in
Piston
Piston Diameter - production	93.980-94.020 mm	3.7-3.701 in
Piston Diameter - service limit	93.960 mm	3.699 in
Piston Pin Bore Diameter	24.008-24.013 mm	0.9452-0.9454 in
Piston Ring Groove Width	1.23-1.255 mm	0.048-0.049 in
Piston to Bore Clearance - production	-0.029 to +0.029 mm	-0.0011 to +0.011 in
Piston to Bore Clearance - service limit - Maximum	0.080 mm	0.003 in
Pin
Piston Pin Clearance to Connecting Rod Bore - Press Fit	-0.022 to +0.044 mm	-0.0008 to +0.0017 in
Piston Pin Clearance to Piston Pin Bore	0.008-0.016 mm	0.0003-0.0006 in
Piston Pin Diameter	23.997-24.000 mm	0.9447-0.9448 in
Piston Pin Length	59.87-60.13 mm	2.35-2.36 in
Valves
Valve Face Angle	45 degrees
Valve Seat Angle	46 degrees
Valve Seat Depth - Intake - from deck face	7.9-8.1 mm	0.311-0.318 in
Valve Seat Depth - Exhaust - from deck face	8.9-9.1 mm	0.350-0.358 in
Valve Seat Width - Intake	1.55-1.80 mm	0.061-0.071 in
Valve Seat Width - Exhaust	1.70-2.0 mm	0.067-0.079 in
Valve Stem-to-Guide Clearance	0.026-0.068 mm	0.0010-0.0027 in
Valve Lifters/Push Rods
Push Rod Length - Intake	144.2 mm	5.67 in
Push Rod Length - Exhaust	152.5 mm	6.0 in
Valve Springs
Valve Spring Free Length	50.0 mm	1.91 in
Valve Spring Installed Height	44.2 mm	1.74 in
Valve Spring Load - Closed	343 N @44.2 mm	77 lb 1.74 in
Valve Spring Load - Open	1041 N @33 mm	234 lb 1.299 in
Valve Spring Total Number of Coils	7.10