LS2 engine specifications - Pontiac GTO Forum
Pontiac GTO Pontiac GTO Forum

» Auto Insurance
Wheel & Tire Center

Go Back   Pontiac GTO Forum > The 2004-2006 GTO > Engine Discussions
Register Home Forum Active Topics Photo Gallery Garage Search Today's Posts Mark Forums Read Auto EscrowInsurance

GtoForum.com is the premier Pontiac GTO Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
Old 03-01-2010, 11:20 AM   #1 (permalink)
 
Join Date: Aug 2007
Posts: 1,014
My Photos: (0)
LS2 engine specifications

Pulled from:

LS2 engine specs! - Aussie V8 | Holden - Ford | Australian V8 Engine Community

Engine Type
V8

Displacement
6.0L
364 CID

RPO
LS2

VIN
U

Bore
101.618-101.636 mm
4.0007-4.0017 in

Stroke
92.0 mm
3.622 in

Compression Ratio
10.9:1

Firing Order
1-8-7-2-6-5-4-3

Spark Plug Gap
1.02 mm
0.04 in



Block

Camshaft Bearing Bore 1 and 5 Diameter
59.58-59.63 mm
2.345-2.347 in

Camshaft Bearing Bore 2 and 4 Diameter
59.08-59.13 mm
2.325-2.327 in

Camshaft Bearing Bore 3 Diameter
58.58-58.63 mm
2.306-2.308 in

Crankshaft Main Bearing Bore Diameter
69.871-69.889 mm
2.75-2.751 in

Crankshaft Main Bearing Bore Out-of-Round
0.006 mm
0.0002 in

Cylinder Bore Diameter
101.618-101.636 mm
4.0007-4.0017 in

Cylinder Bore Taper - Thrust Side
0.018 mm
0.0007 in

Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the Deck Face
234.57-234.82 mm
9.235-9.245 in

Cylinder Head Deck Surface Flatness - Measured Within a 152.4 mm (6.0 in) Area
0.11 mm
0.004 in

Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck
0.22 mm
0.008 in

Valve Lifter Bore Diameter
21.417-21.443 mm
0.843-0.844 in



Camshaft

Camshaft End Play
0.025-0.305 mm
0.001-0.012 in

Camshaft Journal Diameter
54.99-55.04 mm
2.164-2.166 in

Camshaft Journal Out-of-Round
0.025 mm
0.001 in

Camshaft Lobe Lift - Intake
7.78 mm
0.306 in

Camshaft Lobe Lift - Exhaust
7.77 mm
0.305 in

Camshaft Runout - Measured at the Intermediate Journals
0.05 mm
0.002 in



Connecting Rod

Connecting Rod Bearing Clearance - Production
0.023-0.065 mm
0.0009-0.0025 in

Connecting Rod Bearing Clearance - Service
0.023-0.076 mm
0.0009-0.003 in

Connecting Rod Bore Diameter - Bearing End
56.505-56.525 mm
2.224-2.225 in

Connecting Rod Bore Out-of-Round - Bearing End - Production
0.004-0.008 mm
0.00015-0.0003 in

Connecting Rod Bore Out-of-Round - Bearing End - Service
0.004-0.008 mm
0.00015-0.0003 in

Connecting Rod Side Clearance
0.11-0.51 mm
0.00433-0.02 in



Crankshaft

Connecting Rod Journal Diameter - Production
53.318-53.338 mm
2.0991-2.0999 in

Connecting Rod Journal Diameter - Service
53.308 mm
2.0987 in

Connecting Rod Journal Out-of-Round - Production
0.005 mm
0.0002 in

Connecting Rod Journal Out-of-Round - Service
0.01 mm
0.0004 in

Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Production
0.005 mm
0.0002 in

Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Service
0.02 mm
0.00078 in

Crankshaft End Play
0.04-0.2 mm
0.0015-0.0078 in

Crankshaft Main Bearing Clearance - Production
0.02-0.052 mm
0.0008-0.0021 in

Crankshaft Main Bearing Clearance - Service
0.02-0.065 mm
0.0008-0.0025 in

Crankshaft Main Journal Diameter - Production
64.992-65.008 mm
2.558-2.559 in

Crankshaft Main Journal Diameter - Service
64.992 mm
2.558 in

Crankshaft Main Journal Out-of-Round - Production
0.003 mm
0.000118 in

Crankshaft Main Journal Out-of-Round - Service
0.008 mm
0.0003 in

Crankshaft Main Journal Taper - Production
0.01 mm
0.0004 in

Crankshaft Main Journal Taper - Service
0.02 mm
0.00078 in

Crankshaft Rear Flange Runout
0.05 mm
0.002 in

Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth Diameter
0.7 mm
0.028 in

Crankshaft Thrust Surface - Production
26.14-26.22 mm
1.029-1.0315 in

Crankshaft Thrust Surface - Service
26.22 mm
1.0315 in

Crankshaft Thrust Surface Runout
0.025 mm
0.001 in



Cylinder Head

Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface
120.2 mm
4.732 in

Surface Flatness - Block Deck - Measured Within a 152.4 mm (6.0 in) Area
0.08 mm
0.003 in

Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head
0.1 mm
0.004 in

Surface Flatness - Exhaust Manifold Deck
0.13 mm
0.005 in

Surface Flatness - Intake Manifold Deck
0.08 mm
0.0031 in

Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide
17.32 mm
0.682 in



Intake Manifold

Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 in) Area that Includes Two Runner Port Openings
0.3 mm
0.118 in



Lubrication System

Oil Capacity - with Filter
5.2 liters
5.5 quarts

Oil Capacity - without Filter
4.7 liters
5.0 quarts

Oil Pressure - Minimum - Hot
41 kPa at 1,000 engine RPM

124 kPa at 2,000 engine RPM

165 kPa at 4,000 engine RPM
6 psig at 1,000 engine RPM

18 psig at 2,000 engine RPM

24 psig at 4,000 engine RPM



Oil Pan

Front Cover Alignment - at Oil Pan Surface
0.0-0.5 mm
0.0-0.02 in

Rear Cover Alignment - at Oil Pan Surface
0.0-0.5 mm
0.0-0.02 in

Oil Pan Alignment - to Rear of Engine Block at Transmission Bell Housing Mounting Surface
0.0-0.25 mm
0.0-0.01 in



Piston Rings

Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production
0.20-0.41 mm
0.008-0.016 in

Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service
0.20-0.41 mm
0.008-0.016 in

Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production
0.37-0.69 mm
0.015-0.027 in

Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service
0.37-0.69 mm
0.015-0.027 in

Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production
0.22-0.79 mm
0.009-0.031 in

Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service
0.22-0.79 mm
0.009-0.031 in

Piston Ring to Groove Clearance - First Compression Ring - Production
0.030-0.10 mm
0.0012-0.0040 in

Piston Ring to Groove Clearance - First Compression Ring - Service
0.030-0.10 mm
0.0012-0.0040 in

Piston Ring to Groove Clearance - Second Compression Ring - Production
0.035-0.078 mm
0.0014-0.0031 in

Piston Ring to Groove Clearance - Second Compression Ring - Service
0.035-0.0078 mm
0.0014-0.0031 in

Piston Ring to Groove Clearance - Oil Control Ring - Production
0.013-0.201 mm
0.0005-0.0079 in

Piston Ring to Groove Clearance - Oil Control Ring - Service
0.013-0.201 mm
0.0005-0.0079 in



Pistons and Pins

Pin - Piston Pin Clearance to Piston Pin Bore - Production
0.002-0.01 mm
0.00008-0.0004 in

Pin - Piston Pin Clearance to Piston Pin Bore - Service
0.002-0.015 mm
0.00008-0.0006 in

Pin - Piston Pin Diameter
23.952-23.955 mm
0.943-0.943 in

Pin - Piston Pin Fit in Connecting Rod Bore - Production
0.007-0.02 mm
0.00027-0.00078 in

Pin - Piston Pin Fit in Connecting Rod Bore - Service
0.007-0.022 mm
0.00027-0.00086 in

Piston - Piston Diameter - Measured Over Skirt Coating
0.00-0.00 mm
0.00-0.00 in

Piston - Piston to Bore Clearance - Production
0.00-0.00 mm
0.00-0.00 in

Piston - Piston to Bore Clearance - Service Limit with Skirt Coating Worn Off
0.00-0.00 mm
0.00-0.00 in



Valve System

Valves - Valve Face Angle
45 degrees

Valves - Valve Face Width
1.25 mm
0.05 in

Valves - Valve Lash
Net Lash - No Adjustment

Valves - Valve Lift - Intake
13.27 mm
0.522 in

Valves - Valve Lift - Exhaust
13.25 mm
0.521 in

Valves - Valve Seat Angle
46 degrees

Valves - Valve Seat Runout
0.05 mm
0.002 in

Valves - Valve Seat Width - Exhaust
1.78 mm
0.07 in

Valves - Seat Width - Intake
1.02 mm
0.04 in

Valves - Valve Stem Diameter - Production
7.955-7.976 mm
0.313-0.314 in

Valves - Valve Stem Diameter - Service
7.95 mm
0.313 in

Valves - Valve Stem-to-Guide Clearance - Production - Intake
0.025-0.066 mm
0.001-0.0026 in

Valves - Valve Stem-to-Guide Clearance - Service - Intake
0.093 mm
0.0037 in

Valves - Valve Stem-to-Guide Clearance - Production - Exhaust
0.025-0.066 mm
0.001-0.0026 in

Valves - Valve Stem-to-Guide Clearance - Service - Exhaust
0.093 mm
0.0037 in

Rocker Arms - Valve Rocker Arm Ratio
1.70:1

Valve Springs - Valve Spring Free Length
52.9 mm
2.08 in

Valve Springs - Valve Spring Installed Height
45.75 mm
1.8 in

Valve Springs - Valve Spring Load - Closed
340 N at 45.75 mm
76 lb at 1.8 in

Valve Springs - Valve Spring Load - Open
980 N at 33.55 mm
220 lb at 1.32 in
__________________
My Youtube Channel
Supercharged (Roots) 6.0 GTO
Supercharged (Twin Screw) 3.0 NSX
Supercharged (Centrifugal) 4.3 S-10
batmans is offline   Reply With Quote
Sponsored Links
Advertisement
 
Reply

  Pontiac GTO Forum > The 2004-2006 GTO > Engine Discussions


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
LS1 or LS2 ENGINE DRESS UP 2004goat 2004-2006 GTO General Discussion 8 02-21-2010 06:42 PM
Ls2 Engine Covers cody6.0 General Classifieds 1 01-30-2008 05:14 PM
WTB: LS2 Engine Harness pick_a_part 2004-2006 GTO Parts for Sale (Price & Pictures Required) 0 04-04-2007 10:35 AM
LS2 Engine Codes and Deciphering it... patisi 2004-2006 GTO General Discussion 0 02-26-2006 03:46 PM
LS2 Engine noise joegoat Service, Maintenance and Technical Discussion 3 04-27-2005 07:35 PM

Powered by vBadvanced CMPS v3.2.2

All times are GMT -5. The time now is 12:38 AM.



Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.3.2
Garage Plus vBulletin Plugins by Drive Thru Online, Inc.