Re: 1957 Evinrude 35 hp Fuel Mix

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August 28, 2015 at 11:22 am #22813
kerry
Participant

    US Member

    Synthetics generally smoke less and many are biodegradable. I agree, keep mixing at 24:1. Older motors sometimes require QUANTITY, not quality. Remember, these motors were not manufactured using computers, CNC machines, etc. and have larger clearances that require a thicker oil film to keep them happy.

    If you have too many, AND not enough, you're a collector.