> I recall a conversation with Tim Ong a year ago when I received my ram air
> induction system, the first shipped from Lancair for the ES.  He mentioned
> that trying to run LOP might cause excessive roughness due to the difference
> in pressures caused by the ram air.  He said someone (I'm assuming it was a
> Legacy) had to add some additional plumbing to a pressure sensor that is
> part of the fuel injection.

Mahar sells IO550 injector covers... 216-249-7143
http://lancair.net/Lists/lml/Message/23071.html
http://lancairlegacy.com/mahar.html