Is Fully Synthetic Oil Really Necessary? | Automatic features | nny360.com – NNY360
Is Fully Synthetic Oil Really Necessary? | Automatic features | nny360.com – NNY360
Q: I bought a new 2018 Mazda6, 4 cylinder turbo. The specifications call for a semi-synthetic oil. Anyone I know with automotive expertise thinks I should use synthetic, even a former GM engineer friend. My local dealership’s technical staff, including the manager, tell me to follow the recommended specifications. I called Mazda Corp’s engineering department. […]
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