ILSAC Oil - Engine Oils for Passenger Cars

Read time: 1 min
Published: 10 August 2021

Founded in 1992, the International Lubricant Standardization and Approval Committee (ILSAC) is an organization through which Ford, General Motors, Chrysler and the Japan Automobile Manufacturers Association, Inc. (JAMA) develop minimum performance standards for passenger car engine oils used in gasoline fueled engines. ILSAC oil ratings are based on API categories with additional more stringent tests on requirements for spark-ignited internal combustion engines including a chain wear test and a test for fuel economy fluids. Moreover, a specific test to protect against the phenomenon of low speed pre-ignition (LSPI) which occurs in some gasoline engines.

Specifiche ILSACStatoDescrizione
ILSAC GF-6A
Current

Introduced in May 2020, designed to provide protection against low-speed pre-ignition (LSPI), timing chain wear protection, improved high temperature deposit protection for pistons and turbochargers, more stringent sludge and varnish control, improved fuel economy, enhanced emission control system protection and protection of engines operating on ethanol-containing fuels up to E85.

ILSAC GF-6B
Current

Applies only to oils having an SAE viscosity grade of 0W-16. Introduced in May 2020, it includes all the GF-6A tests.

ILSAC GF-5, GF-4, GF-3, GF-2, GF-1
Obsolete
Use GF-6A where these specs are recommended.

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