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For 1990-2009 cars only

Engine Mechanical Specifications L98, LS2

Application

Specification

Metric

English

General

  • Engine Type

V8

  • Displacement

6.0L

364 CID

  • RPO

L98

  • Bore

101.618 mm 101.636 mm

4.0007 in 4.0017 in

  • Stroke

92.0 mm

3.622 in

  • Compression Ratio

10.4:1

  • Idle Speed RPM (AT)
  • Idle Speed RPM (MT)

--

--

  • Firing Order

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

  • Spark Plug Gap

1.02 mm

0.04 in

Block

  • Camshaft Bearing Bore Number 1 and 5 Diameter

59.58 mm 59.63 mm

2.345 in 2.347 in

  • Camshaft Bearing Bore Number 2 and 4 Diameter

59.08 mm 59.13 mm

2.325 in 2.327 in

  • Camshaft Bearing Bore Number 3 Diameter

58.58 mm 58.63 mm

2.306 in 2.308 in

  • Crankshaft Main Bearing Bore Diameter

69.871 mm 69.889 mm

2.75 in 2.751 in

  • Crankshaft Main Bearing Bore Out - of - Round

0.006 mm

0.0002 in

  • Cylinder Bore Diameter

101.618 mm 101.636 mm

4.0007 in 4.0017 in

  • Cylinder Head Deck Height (Measuring from the Centre line of Crankshaft to the Deck Face)

234.57 mm 234.82 mm

9.235 in 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 mm 21.443 mm

0.843 in 0.844 in

Camshaft

  • Camshaft End Play

0.025 mm 0.305 mm

0.001 in 0.012 in

  • Camshaft Journal Diameter

54.99 mm 55.04 mm

2.164 in 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 mm 0.065 mm

0.0009 in 0.0025 in

  • Connecting Rod Bearing Clearance - Service

0.023 mm 0.076 mm

0.0009 in 0.003 in

  • Connecting Rod Bore Diameter - Bearing End

56.505 mm 56.525 mm

2.224 in 2.225 in

  • Connecting Rod Bore Out - of - Round  -  Bearing End - Production

0.004 mm 0.008 mm

0.00015 in 0.0003 in

  • Connecting Rod Bore Out - of - Round - Bearing End - Service

0.004 mm 0.008 mm

0.00015 in 0.0003 in

  • Connecting Rod Side Clearance

0.11 mm 0.51 mm

0.00433 in 0.02 in

Crankshaft

  • Connecting Rod Journal Diameter - Production

53.318 mm 53.338 mm

2.0991 in 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 mm 0.2 mm

0.0015 in 0.0078 in

  • Crankshaft Main Bearing Clearance - Production

0.02 mm 0.052 mm

0.0008 in 0.0021 in

  • Crankshaft Main Bearing Clearance - Service

0.02 mm 0.065 mm

0.0008 in 0.0025 in

  • Crankshaft Main Journal Diameter - Production

64.992 mm 65.008 mm

2.558 in 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 mm 26.22 mm

1.029 in 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 2 Runner Port Openings)

0.3 mm

0.118 in

Lubrication System

  • Oil Capacity - with Filter

8.2 litres

8.6 quarts

  • Oil Capacity - without Filter

7.7 litres

8.1 quarts

  • Oil Pressure - Minimum - Hot

90 kPa at 1,000 engine RPM

124 kPa at 2,000 engine RPM

165 kPa at 4,000 engine RPM

13 psig at 1,000 engine RPM

18 psig at 2,000 engine RPM

24 psig at 4,000 engine RPM

Relief Valve Oil Pressure (Measured at Oil Pressure Sensor Location)

379 - 517 kPa

Maximum

55 - 75 psig

Maximum

Oil Pan

  • Front Cover Alignment - at Oil Pan Surface

0.0 mm 0.5 mm

0.0 in 0.02 in

  • Crankshaft Rear Oil Seal Housing Alignment - at Oil Pan Surface

0.0 mm 0.5 mm

0.0 in 0.02 in

  • Oil Pan Alignment - to Rear of Engine Block at Transmission Bell Housing Mounting Surface

0.0 mm 0.1 mm

0.0 in 0.004 in

Piston Rings

  • Piston Ring End Gap - First Compression Ring (Measured in Cylinder Bore - Production)

0.20 mm 0.41 mm

0.008 in 0.016 in

  • Piston Ring End Gap - First Compression Ring (Measured in Cylinder Bore - Service)

0.20 mm 0.41 mm

0.008 in 0.016 in

  • Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Production)

0.37 mm 0.69 mm

0.015 in 0.027 in

  • Piston Ring End Gap - Second Compression Ring (Measured in Cylinder Bore - Service)

0.37 mm 0.69 mm

0.015 in 0.027 in

  • Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Production)

0.22 mm 0.79 mm

0.009 in 0.031 in

  • Piston Ring End Gap - Oil Control Ring (Measured in Cylinder Bore - Service)

0.22 mm 0.79 mm

0.009 in 0.031 in

  • Piston Ring to Groove Clearance - First Compression Ring - Production

0.030 mm 0.10 mm

0.0012 in 0.0040 in

  • Piston Ring to Groove Clearance - First Compression Ring - Service

0.030 mm 0.10 mm

0.0012 in 0.0040 in

  • Piston Ring to Groove Clearance - Second Compression Ring - Production

0.035 mm 0.078 mm

0.0014 in 0.0031 in

  • Piston Ring to Groove Clearance - Second Compression Ring - Service

0.035 mm 0.078 mm

0.0014 in 0.0031 in

  • Piston Ring to Groove Clearance - Oil Control Ring - Production

0.013 mm 0.201 mm

0.0005 in 0.0079 in

  • Piston Ring to Groove Clearance - Oil Control Ring - Service

0.013 mm 0.201 mm

0.0005 in 0.0079 in

Pistons and Pins

  • Pin - Piston Pin Clearance to Piston Pin Bore - Production

0.002 mm 0.01 mm

0.0008 in 0.0004 in

  • Pin - Piston Pin Clearance to Piston Pin Bore - Service

0.002 mm 0.015 mm

0.0008 in 0.0006 in

  • Pin - Piston Pin Diameter

23.952 mm 23.955 mm

0.943 in 0.943 in

  • Pin - Piston Pin Fit in Connecting Rod Bore - Production

0.007 mm 0.02 mm

0.00027 in 0.00078 in

  • Pin - Piston Pin Fit in Connecting Rod Bore - Service

0.007 mm 0.0022 mm

0.00027 in 0.00086 in

  • Piston - Piston Diameter - Measured Over Skirt Coating

101.611 mm 101.642 mm

4.0 in 4.001 in

  • Piston - Piston to Bore Clearance - Production

-0.022 mm 0.08 mm

-0.0009 in 0.0012 in

  • Piston - Piston to Bore Clearance (Service Limit with Skirt Coating Worn Off)

0.024 mm 0.08 mm

0.00094 in 0.0031 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

13.23 mm

0.52 in

  • Valves - Valve Lift - Exhaust

13.22 mm

0.52 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 mm 7.976 mm

0.313 in 0.314 in

  • Valves - Valve Stem Diameter - Service

7.95 mm

0.313 in

  • Valves - Valve Stem - to - Guide Clearance - Production - Intake

0.025 mm 0.066 mm

0.001 in 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

Engine Mechanical Specifications LS3

Application

Specification

Metric

English

General

  • Engine Type

V8

  • Displacement

6.2L

376 CID

  • RPO

LS3

  • VIN

W

  • Bore

103.241-103.259 mm

4.0065-4.0065 in

  • Stroke

92.0 mm

3.622 in

  • Compression Ratio

10.7:1

  • 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

103.241-103.259 mm

4.0065-4.0065 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

8.24 mm

0.324 in

  • Camshaft Lobe Lift - Exhaust

7.77 mm

0.306 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 2 Runner Port Openings

0.3 mm

0.118 in

Lubrication System

  • Oil Capacity - with Filter

5.7 liters

6.0 quarts

  • Oil Capacity - without Filter

5.4 liters

5.7 quarts

  • Oil Capacity - with Filter - RPO KPS

5.7 liters

6.0 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

  • Crankshaft Rear Oil Seal Housing 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

0.0-0.1 mm

0.0-0.004 in

Piston Rings

  • Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production

0.17-0.38 mm

0.0067-0.0150 in

  • Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service

0.17-0.44 mm

0.0067-0.0173 in

  • Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production

0.32-0.63 mm

0.0126-0.0248 in

  • Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service

0.32-0.69 mm

0.0126-0.0272 in

  • Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production

0.22-0.79 mm

0.0086-0.0311 in

  • Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service

0.22-0.85 mm

0.0086-0.0335 in

  • Piston Ring to Groove Clearance - First Compression Ring - Production

0.030-0.083 mm

0.0012-0.0033 in

  • Piston Ring to Groove Clearance - First Compression Ring - Service

0.030-0.083 mm

0.0012-0.0033 in

  • Piston Ring to Groove Clearance - Second Compression Ring - Production

0.040-0.083 mm

0.0016-0.0033 in

  • Piston Ring to Groove Clearance - Second Compression Ring - Service

0.040-0.083 mm

0.0016-0.0033 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

0.9430-0.9431 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

103.258-103.289 mm

4.0653-4.0665 in

  • Piston - Piston to Bore Clearance - Production

-0.048 to +0.001 mm

-0.0019 to +0.000 in

  • Piston - Piston to Bore Clearance - Service Limit with Skirt Coating Worn Off

0.055 mm

0.0022 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

13.97 mm

0.55 in

  • Valves - Valve Lift - Exhaust

13.22 mm

0.52 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

400 N at 45.75 mm

90 lb at 1.8 in

  • Valve Springs - Valve Spring Load - Open

1175 N at 33.05 mm

264 lb at 1.30 in