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Path: utzoo!watmath!clyde!burl!mgnetp!ihnp4!houxm!houxz!vax135!cornell!uw-beaver!tektronix!orca!shark!davew
From: davew@shark.UUCP (Dave Williams)
Newsgroups: net.auto
Subject: Re: Excellent increase in milage
Message-ID: <894@shark.UUCP>
Date: Tue, 17-Jul-84 11:04:22 EDT
Article-I.D.: shark.894
Posted: Tue Jul 17 11:04:22 1984
Date-Received: Thu, 19-Jul-84 04:21:30 EDT
References: <677@pyuxhh.UUCP>
Organization: Tektronix, Wilsonville OR
Lines: 23

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 If all you did was put headers on your car and you got
about a 30% increase in mpg then one or both of these
things happened: your carburetor was set very rich and
the headers leaned out the mixture or you also took off
some smog control goodies like the catalytic converter.
 Now, since we are on the subject of fuel economy.
I have a '77 Chevy pick-up with a 454 CI engine that I
use to pull a 28 foot travel trailer with. I am currently
getting about 7.5 mpg. One of the things I plan on doing
is adding a wind deflector to the top of the cab when I
am pulling the trailer as it is catching alot of wind
and these devices are claimed to give a 10-15% increase
in mpg. I was also thinking of adding a water injection
system, such as a Holley or Edelbrock. I then could advance
the timing several degrees which should help gas mileage as
well as power. Has anyone out there had any experience with
these units? I would like to hear from you.
                                      Dave Williams
                                      Tektronix, Inc.
                                      ECS