Air will compress.... whereas the fluid will NOT (at least not as readily), resulting in elevated gearcase pressures when the case is run at elevated mounting heights.
Air will compress.... whereas the fluid will NOT (at least not as readily), resulting in elevated gearcase pressures when the case is run at elevated mounting heights.
Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
Still consider myself a "Marine Apprentice" after 48 years (learn something new every day).
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