Reply To: Oil mix

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March 20, 2021 at 8:42 pm #234440
Bob Wight
Participant

    US Member

    Those 5.5s love to throw the lower rod. I wouldn’t run think of running 32/1 and even 24/1 is sketchy. The original service data for that motor actually called for 16/1 and that’s all I use in mine.

    Bob

    1937 Champion D2C Deluxe Lite Twin
    1954 Johnson CD-11
    1955 Johnson QD-16
    1957 Evinrude Fastwin 18
    1957 Evinrude 3022
    1958 Johnson QD-19
    1958 Johnson FD-12
    1959 Johnson QD-20
    1982 Evinrude 25hp

    “Every 20 minute job is only a broken bolt away from a 3-day project.”
    "Every time you remove a broken or seized bolt an angel gets his wings."