ADK wrote:
I would like to hear from anyone with experience with this unit, good or
bad. I would also like to know if their sizing as it is printed on their
website, is accurate. I don't know if engine efficiency is a factor in the
sizing, for instance, does a 180 hp Lycoming require the same size throttle
body as a 180 hp Subaru engine. They are both producing 180 hp, but with
grossly different displacements. I have written the company but they don't
seem to be interested in returning email.

Ours has worked great... we have the mixture stops adjusted so that
pulling full lean leaves enough power for taxi and clearing the plugs
after a flight, instead of cutting the engine off. Never had any
problems at all, though we do run into cylinder 3 running leaner than
the others.

Also (and putting flame-proof suit on), we have never used carb heat
with it--the system is installed (and IIRC we had to sign a waiver
saying we would install such a system) but I think we've turned it on
twice in 450 hours, just to see if there was a noticable difference.
Don't take my advice though. This should not be interpreted in any way
as an endorsement of not using carb heat.