Posted for "George Braly" <gwbraly@gami.com>:

If you do not have a source of  WARM ALTERNATE AIR - -  then I would
suggest you re-work the system.

I get induction icing several times each year.   A RAM air source of wet
cold air is just an invitation to freeze up the throttle body and create
a worse disaster.

You really need an alternate source of warm air.  Sometimes there is a
reason why the pesky FAA requires some of these extra items to be
included in an engine installation.

Regards,  George