In article uZvqc.22771$qA.2534609@attbi_s51, "Jay Honeck"
wrote:

It's nothing new - it's well known that mogas goes 'bad' after a
relatively short period of time (and it may be pretty random whether it
goes bad or not, depending on who it came from I suppose) and this has
happened for as long as I can remember.

Ah, yet another reason to fly often!

;-)

Does anyone need another reason?

--
Bob Noel