More silly ideas-MAP

[Bruce Plecan]

Often Barometric Pressure is refered to as attitude.  ie instead of saying
the Baro Pressure is 29.8, they might say 2,500 feet.  (numbers just as
exapmles)
Sneezy


| My old 84 Ciera ES had both a MAP and BARO (under the dash). I always
| thought it was for getting altitude.
|
|
| -----Original Message-----
| From: JTesta1966 at aol.com <JTesta1966 at aol.com>
| To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
| Date: Friday, June 04, 1999 6:34 AM
| Subject: Re: More silly ideas-MAP
|
|
| >In a message dated 6/4/99 1:02:10 AM Eastern Daylight Time,
| >tystorm at email.msn.com writes:
| >
| ><< >max. Secondly referencing to zero makes sense since the atmospheric
| > pressure
| > >is liable to vary all over the MAP and you do not want the same WOT
| setting
| > >in Denver as in Miami. The zero reference point OTOH is the same no
| matter
| > >where you are. Besides the engine does not care what the outside
pressure
| >>
| >
| >This may be a stupid question, but I KNOW Fords do this (I went for ford
| >training YEARS ago), doesnt the ECM look at MAP KOEO prior to starting to
| get
| >a baro reading? And the compensate off that? Are you trying to have
| something
| >constantly adjust for atmospheric changes??
| >
| >Jim
| >
|