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Dana
Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA
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 Posted: Tue Apr 01, 2008 1:25 pm Post subject: avgas vs mogas |
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I don't mean to reignite the whole avgas vs. mogas thing again; I just have
a practical question.
The Cuyuna (ULII-02 on my US) manual says to use "leaded regular or premium
unleaded... minimum pump octane of 88." Interestingly, it goes on to say,
"The use of aviation gasoline, or other fuels and oils, may upset carburetion."
I don't know how avgas would "upset carburetion." The previous owner ran
avgas and so do I with no problems. I'm using it mainly because it keeps
better (and smells better); storage life is important during the winter
when I'm not flying often. With warmer weather here now, though, running
car gas makes more sense... but no doubt I'll use the occasional tank of
avgas when convenient. I can't see why, but based on the warning in the
manual, should I expect it to affect the jetting?
-Dana
--
When authorities warn you of the sinfulness of sex, there is an important
lesson to be learned. Do not have sex with the authorities.
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Possums
Joined: 03 Nov 2007
Posts: 247
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| Posted: Tue Apr 01, 2008 1:55 pm Post subject: avgas vs mogas |
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At 05:23 PM 4/1/2008, you wrote:
| Quote: |
I don't mean to reignite the whole avgas vs. mogas thing again; I
just have a practical question.
The Cuyuna (ULII-02 on my US) manual says to use "leaded regular or
premium unleaded... minimum pump octane of 88." Interestingly, it
goes on to say, "The use of aviation gasoline, or other fuels and
oils, may upset carburetion."
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How old is that manual?
Back in the early 80's, we used to have to drive around to find gas stations
that still sold "leaded" gas because that's what our old Cuyuna
manual said too.
CGS Hawks & Pterodactyls back then.
Aviation gas should be fine (your engine will run cooler) - just
change your plugs more often.
Premium unleaded is fine BTW.
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