Curriculum & Topics
Operation of a Gasoline Engine
- How the basic components of an engine work
- Engine lubrication fundamentals
Operation of a Diesel Engine
- Combustion cycle in a four-stroke compression-ignited engine
- Main components of a compression-ignited engine
- Differences between compression-ignited and spark-ignited engines
- Lubrication demands of a compression-ignited engine
ATVs: Two Stroke vs Four Stroke
- Trends in the ATV market and ATV engine design
- The differences between two- and four-stroke engines
- The stresses new ATV designs place on the lubrican
American Petroleum Institute (API)
- The American Petroleum Institute and its role in the engine oils industry
- The need for API performance standards, where they came from, and why they change
- API performance standards and service categories, and the symbols used to represent them
ILSAC GF-4 Specifications
- Differences between ILSAC GF-3 and ILSAC GF-4 oils
- Performance benefits of using a ILSAC GF-4 oil
- Trends that prompted the development of the ILSAC GF-4 specification
Synthetic Oil for passenger cars
- Impact of the base stock on lubricant performance
- Difference between synthetic and conventional oils
- Performance advantages of using a synthetic oil
- Multipurpose Vehicle Oils
Attributes of a Diesel Engine TBN
- The difference between high ash and low ash oil
- TBN and the impact it has on the performance of diesel oil
- The benefits of oil analysis
Off Highway Diesel Engines
- Off-road diesel engines
- Patterns of distress associated with off-road diesel engines
- The benefits of oil analysis
API CJ-4
- Impact of EPA 2007 legislations for on-road, heavy duty diesel vehicle designs
- Impact of changing vehicle designs on oil formulations
- The benefits of API CJ-4 lubricants.
EGR Engines
- New diesel engine designs and their oil needs
- The patterns of distress associated with new engine designs
- How new oil formulations are tested
Lubrizol is a STLE™ Education Partner.
*The CLS™ Development Series does not replace the CLS™ exam or guarantee you will pass
the exam – that will depend on your lubrication experience and expertise. Participants are expected to have access to or purchase critical reference
texts to participate in this series. STLE and CLS are registered trademarks of The Society of Tribologists and Lubrication Engineers.
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