I am wondering if others in Australia are seeing a change in 98 fuel. Ours comes from Brisbane and I think is from Shell but for past 3 months has a very dark brown stain and more recently there was one lot with a deep orange colour.
The issue is this new "stain" in 98 fuel really stains even correct German (with release note) clear fuel line and within say 6 weeks makes the tube a very dark brown and you can not see fuel in tube. Also recently Jabiru Aircraft have said DO NOT USE SHELL 98 in Jabiru aircraft which have fibreglass tanks as it is reacting with the fibreglass tank. Jabiru now say use 95 or Avgas even though most Jabiru s require 96 My concerns is this will show up in Turbo and Motorgliders like Duo and Arcus in the plastic tubes in the LHS of rear seat and may react with motorgliders like PIK 20 which have glass tanks. It could well be other states are not having an issue but think it is worth keeping an eye on and can send photo to anybody who asks. All this has come in over the last 3 months or so. Ian McPhee
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