Originally Posted by
Big Pistons Forever
Worse case is you will have to convert your AEIO 580 to a AEIO 540D which can run on 94 UL. I believe it can be done by replacing the connecting rods and pistons with 540 parts. You may even be able to get away with just replacing the pistons.
Not cheap, I know but better than grounding the airplane
Thanks Bigpistons for your suggestion, will keep in mind, Frankly am getting tired with all the mess with EASA in relation with GA, now this fuel issue..We'll see...