macrafic
Well Known Member
According to the latest Lycoming 1070 Service Instruction, the following are the minimum fuels allowed for my engine (IO-360-M).
Question: If I want to placard my fuel tank caps with a minimum fuel number, what would be appropriate? The minimum depends on leaded/unleaded and on Avgas/Mogas selection. Can only fit so much on the cap!! If I put MIN 100LL or MIN UL91, does that preclude me from using other allowed fuels? What have you done?
Avgas (leaded):100, 100LL, 100VLL satisfying ASTM D910 specs (Standard Specification for Aviation Gasolines)
Avgas (unleaded): UL91 satisfying ASTM D7547 specs (Standard Specification for Unleaded Aviation Gasolines)
Mogas (leaded): 93 AKI* satisfying ASTM D4814-09b specs (Standard Specification for Automotive Spark-Ignition Engine Fuel)
Mogas (unleaded): 93 AKI* satisfying EN 228:2014 specs (Automotive fuesl ? Unleaded petrol ? Requirements and test methods)
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Question: If I want to placard my fuel tank caps with a minimum fuel number, what would be appropriate? The minimum depends on leaded/unleaded and on Avgas/Mogas selection. Can only fit so much on the cap!! If I put MIN 100LL or MIN UL91, does that preclude me from using other allowed fuels? What have you done?
Avgas (leaded):100, 100LL, 100VLL satisfying ASTM D910 specs (Standard Specification for Aviation Gasolines)
Avgas (unleaded): UL91 satisfying ASTM D7547 specs (Standard Specification for Unleaded Aviation Gasolines)
Mogas (leaded): 93 AKI* satisfying ASTM D4814-09b specs (Standard Specification for Automotive Spark-Ignition Engine Fuel)
Mogas (unleaded): 93 AKI* satisfying EN 228:2014 specs (Automotive fuesl ? Unleaded petrol ? Requirements and test methods)
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