From: RWolf99@aol.com
Message-ID: <3e.2a304df.272928e5@aol.com>
Date: Thu, 26 Oct 2000 02:27:49 EDT
Subject: IO-360 on Autogas
To: lancair.list@olsusa.com
Reply-To: lancair.list@olsusa.com
Mime-Version: 1.0

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In a message dated 10/25/00 11:33:04 PM EST, Eric Parlow writes:

<< The IO-360-B engine is only 360 certified for use with 80/87.  It is 180 
bhp 
@ 2700 rpm.  It has 6.5:1 compression. >>

Eric -

This is the question I figured you would eventually answer, but Lycoming's 
IO-360-B has an 8.5:1 compression ratio, not 6.5:1.  Is Continental's 
different or was this just a typo?  My real question is whether I can run a 
Lycoming IO-360-B on the new avgas (82 UL?) or on the present day unleaded 
autogas.  Care to comment on the competition's product?

On another topic, I notice a somewhat increased tendency for my Continental 
O-200 to pick up carburetor ice when running on autogas rather than avgas 
(80/87 or 100LL + Alcor TCP).  Is this something that y'all have observed, 
and what about the new avgas?  Is this even something you look for?  The 
question here is whether we're likely to be more susceptible to carb ice when 
the new unleaded avgas comes on line.

By the way, I assume we don't need to get STC's to run experimental aircraft 
on autogas, do we?  (This question is for everyone, not just ERic)

By the way, for you guys that are getting nervous, my crystal ball says that 
the big engines will be usable for a long time.  I don't know what the 
technical solution will be, but I'm certain there will be one.  I run an 
engine designed for 80/87 that hasn't seen any for a while -- I use a 
gasoline additive that makes it all work (Alcor TCP).  There's a big enough 
base of users that something will be done.  Don't know what yet, but the 
problem can be solved.  Wouldn't surprise me if it's another additive.  Maybe 
I'm just burying my head in the sand but I wouldn't lose any sleep over it, 
or sell my kit, or anything like that.

- Rob Wolf
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