Lycoming O-320-E2A Question(Help Needed)
  • koala119
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    Lycoming O-320-E2A Question(Help Needed)

    by koala119 » Wed Jan 16, 2008 9:01 pm

    Just wondering would anyone on the forum know how much roughly would the cost be to convert a Lycoming O-320-E2A from Avgas to MOGAS? What would be involved Etc....

    Any help would be great

  • The WingFlinger
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    by The WingFlinger » Sun Jun 29, 2008 3:03 pm

    Depending on the age of the 320 and whether or not the valves are suitable for running on Mogas it mightn't be that costly a conversion, since it's basically down to compression ratio, and changing it possibly through substituting different head gaskets.......but!

    However there is much more to be considered if your want to get this engine certified........and that's where the picture chages considerably.
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    by hum » Mon Oct 06, 2008 6:36 pm

    A lycoming 0-320E2A will run on Mogas. It will also run on unleaded Mogas, no modification is necessary. Whether it is legal to do so or not so depends on the specific aircraft, the country of registration and the operating conditions.

    Read about it on these websites:

    UK position here

    Irish position here ... =185&a=493

    aeronautical notice here:

    Good US site and source of most of the mods here: ... ation.html

    Bottom line, educate yourself before using forecourt unleaded fuel in an aircraft....

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