Yes the highest vacuum reading will give you best economy. Very handy tool.
Robin Giesbrecht
>From: Kerry Pinkerton <pinkertonk@xxxxxxxxx>
>Reply-To: mailing-list@xxxxxxxxxxxxxxxx
>To: mailing-list@xxxxxxxxxxxxxxxx
>Subject: IML: Fuel mileage
>Date: Sat, 22 May 2004 21:48:26 -0500
>
>I have a question about fuel mileage. Will running with the RPM on the
>lower side of the torque curve (about 1800 rpm) when pulling heavy (as in
>towing) be worse on mileage than shifting down so the RPM is up in the
>fatter part of the torque curve (about 2500). At lower RPM the motor seems
>to be lugging when towing while at the higher RPM the motor seems more
>responsive and it SEEMS like my foot is not as close to the floor.
>
>If I put a vacuum guage on the car will that show me the best operating
>conditions for max mileage? Does higher vacuum = higher mileage? This is
>one case where one of those instantaneous mileage computers would be
>handy....
>
>Kerry
><< pinkertonk.vcf >>
_________________________________________________________________
Add photos to your e-mail with MSN Premium. Get 2 months FREE*
http://join.msn.com/?pgmarket=en-ca&page=byoa/prem&xAPID=1994&DI=1034&SU=http://hotmail.com/enca&HL=Market_MSNIS_Taglines