This is not KR related, but I know there are several knowledgeable engine
people on the list.
I am buying a half share of a 1962 172C with a Continental O-300 engine that
has an auto fuel STC. The STC says that 87 octane can be used, but the
current owner is using only 93 and also putting in 100L
The STC states that it is safe to run the engine on 87. There is no legal
or technical reason to ever use 100LL. However some owners believe that
something is missing from the auto fuel and occasionally put in 100LL, to
help extent the ware on the engine. I sometimes work on aircraft where the
o
y, 26 July 2004 1:51 p.m.
To: KRnet
Subject: KR> Auto fuel STC
My question is is there a reason to put in the avgas every third tank or
is it better to run it just on the auto fuel except when it is away from
home and only avgas is available? With our usage the plane will be
fueled away from ho
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