Re: etec vs 4 stroke
Mercury also has a multi-fuel engine based upon the Optimax. Un like the Evinrude, it's already been in the hands of the Navy for nearly 3 years. Mercury decided from the beginning not to certify the engine to run on #2 diesel. It will run on Jet A, JP4, and JP8. It can also be set to run temporarily, for a short time only, on unleaded or leaded gasoline, kerosene, or #1 Diesel.
It will also run on #2 diesel if it is thinned to 25% gasoline/75% #2 diesel.
The Evinrude V6 MFE was originally designed to run on Jet A, JP4, JP5, JP8, kerosene, unleaded gasoline, and either #1 or #2 diesel. It had too many computer problems, and they have reduced the number of fuels it can run.
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Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes.
Fr. Frank says:
Jesus liked fishing, too. He even walked on water to get to the boat!
Currently without a SeaCraft 
(2) Pompano 12' fishing kayaks
'73 Cobia 18' prototype "Casting Skiff", 70hp Mercury
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