"Rick Morel" wrote in message
...
My 2-cents.
snip.............
.. Heck, I remember one guy that used 12.5-1 (2
qts. in 6 gallons) in his ultralight. Looked like he had a smoke
system!
snip...........
Rick

Got that beat.
My 1954 British Seagull 40 Plus uses 10:1 ratio.
If there's a strong tail wind, I almost choke to death, so I constantly gybe
to keep the blue exhaust smoke on one side or the other.
BTW I don't use that engine much anymore.