Reply To: Power Head Cross Reference for 1958 Evinrude Fisherman 5516

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April 3, 2022 at 3:32 pm #257427
aquasonic
Participant
    Mike Nazarenko wrote:

    Both Permatex products are highly rated.
    51531 and 51813. Preference? Ease to work with?  Issues in working time, not much surface area on the crankcase halves.

    The 51531 is preferred if the mating surfaces are smooth and in good condition. The heavier 51813 would be better if the surfaces are gouged, or roughed up.

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