Reply To: Wally mart GL5 90 grade oil ok??

Home › Forum › Ask A Member › Wally mart GL5 90 grade oil ok?? › Reply To: Wally mart GL5 90 grade oil ok??

July 24, 2023 at 1:11 am #278434
jeff-register
Participant

    I don’t take chances, I use either OMC or Mercury brand oils. I have heard that the marine brand oils have rust inhiditors & designed for the purpose. I don’t really know if there is a difference or not, but gives me peacee of mind using what the factory uses.