Date:         Mon, 13 Sep 1999 19:24:38 -0400
Reply-To:     John <johnpatt@WARWICK.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John <johnpatt@WARWICK.NET>
Subject:      Re: waterboxer overhaul
Comments: To: Björn Ratjen <bratjen@direct.ca>
Content-Type: text/plain; charset=iso-8859-1

Björn Ratjen wrote:
> >
> >2) The Digifant control module would need special information like a
> >"MAP" sensor to accurately fuel a turbo-charged engine.
> >
> Where could I get information about something like this?
>
> I do not want to install a turbocharger because of potential piston
> problems due to a lack of cooling. A compressor or intake fan will add cold
> air pressure (not hot like a turbocharger) and I just want to help on the
> intake to generate a bit more power as well as accommodate for altitude
> differences.
>
>
>
> Björn


Hi Bjorn,

There are a variety of Manifold Air Pressure (MAP) sensors & signals
used on turbo-charged gas & diesel vehicles today and you could find one
in a wrecking yard. The problem is the Digifant Control Module doesn't
have the ability to process the MAP sensor information. Essentially the
MAP information is used to enhance the air flow meter signal as
additional air pressure is sensed in the manifold, more air pressure =
more fuel etc.

There are some pretty smart Digifant Control Module guys on the list who
may be able to tell you how to use a MAP signal with the Digifant
system.

Good Luck,     JP