Fuel mileage

["michael popp" <popp@xxxxxxxxxxxxxx>]

Kerry---I had a 64 Cry /413 /power pack---It had a vacuum gage on the
console with instructions to keep the neddle in the green for best
mileage---Mike
----- Original Message -----
From: "Kerry Pinkerton" <pinkertonk@xxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Saturday, May 22, 2004 9:48 PM
Subject: IML: Fuel mileage


> 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
>