John Heeboell Posted January 4, 2020 Report Share Posted January 4, 2020 The Grob 2500 engine is allowed to run on unleaded fuel (MOGAS RON 96 or higher) if modified according to service bulletin 817-46, dated 09.02.98. Is it allowed to run on alcohol-fuel mixture - up to E10, which seems to be the aim of EU regulation ? Quote Link to comment Share on other sites More sharing options...
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