Well, minimum octane for a '74 Cherokee 235 was 80/87, but I'll bet he
uses far more blue gas than red.
Mogas is my fuel of choice. It does leave kind of a red stain -- not as red
as 80 octane used to, but still reddish.
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"