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Omega General Help / Re: Guess what? - An Oil question!
« on: 06 February 2024, 17:42:11 »
That oil in your link is suitable for petrol and diesel engines, and appears suitable for the Omega relative to the API rating.
GM oil for the Omega was SL rating but a higher rating is ok to use, but personally, I would try to stick with as near SL as possible as the engines are now quite elderly and modern engines have progressed.
This link goes a long way to explain oil specs.
https://www.rymax-lubricants.com/updates/api-specification-this-is-how-it-works/
Equally, I don't suppose much harm will come from using oil of a higher API rating....but there is also the ACEA rating to consider too!!
GM oil for the Omega was SL rating but a higher rating is ok to use, but personally, I would try to stick with as near SL as possible as the engines are now quite elderly and modern engines have progressed.
This link goes a long way to explain oil specs.
https://www.rymax-lubricants.com/updates/api-specification-this-is-how-it-works/
Equally, I don't suppose much harm will come from using oil of a higher API rating....but there is also the ACEA rating to consider too!!