Recently my gas station placed stickers on the pumps warning it could
contain up to 10% ethanol.

My ride is an experimental built in 1997 with a C-85 always run on mogas.

Quick research indicates 3 concerns:
1-loosens debris inside the fuel system affecting filters.
2-mixes more readily with water (hydroscopic) but can experience "phase
separation" during climbs causing water to overload filter/sediment bowls.
3-can deteriorate composites, rubbers and plastics causing leaks/breakages.


Leaning towards more frequent gascolator inspections for 1 and 3, but
unsure on overloading a sediment bowl....

I'm wondering how others are addressing these concerns.

Thanks, Dick