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Re: MPG (was Re: 3 ..Re: 2.......Re: ok.. it works again!)

To: "Bryan Vandiver" <Bryan.Vandiver@Eng.Sun.COM>, <ckotting@core.com>, <Daniel1312@aol.com>
Subject: Re: MPG (was Re: 3 ..Re: 2.......Re: ok.. it works again!)
Date: Mon, 7 Aug 2000 19:36:05 -0700
Cc: <spridgets@autox.team.net>, <pythias@pacifier.com>
References: <200008072140.OAA00311@shorter.eng.sun.com>
Doesn't 25MPG on an imperial gallon just about equal 18-20 MPG on a US
gallon?
David Riker
74 Midget
63 Falcon
70 Torino
http://personalweb.sunset.net/~davidr
----- Original Message -----
From "Bryan Vandiver" <Bryan.Vandiver at Eng.Sun.COM>
To: <Bryan.Vandiver@Eng.Sun.COM>; <ckotting@core.com>; <Daniel1312@aol.com>
Cc: <spridgets@autox.team.net>; <pythias@pacifier.com>
Sent: Monday, August 07, 2000 2:40 PM
Subject: MPG (was Re: 3 ..Re: 2.......Re: ok.. it works again!)


> Daniel,
>
> FYI - 6-8' means 6-8 feet.
> The dellorto has a regular diaphragm accelerator pump, and the weber does
not. I
> totally agree that I SHOULD be getting better MPG, and that was the whole
point
> of trying different jets, is to see if I can improve the MPG, without
> sacrificing power. The main jet I was running was a 135, and the
recommended one
> is a 140, so I don't know if it would be a good idea to go smaller there.
I've
> tried various 'timing adjustments, but that doesn't really seem to affect
MPG,
> only how well the engine responds.
> I'm glad that you can get 25+mpg on a 100+hp engine, now if I can just get
to
> 25mpg, I'd be very happy.
>
>  - Bryan
>
> >Subject: 3  ..Re: 2.......Re: ok.. it works again!
> >To: Bryan.Vandiver@eng.sun.com, ckotting@core.com
> >CC: spridgets@autox.team.net, pythias@pacifier.com
> >MIME-Version: 1.0
> >
> >I can squirt more than a foot with fuel from the pump jets in a Weber in
> >bench jet and these are large size jets.  I get a lot more than 25mpg in
any
> >kind of driving conditions with an engine producing a lot more than
100bhp
> >and driving at speeds at and in excess of 100mph with hard acceleration.
> >
> >Change the pump jets if you want to, remove them altogether and I bet you
> >will still have poor fuel consumption.  This will be because the pump
jets do
> >not contribute very significantly to the gas mileage - at least not to
the
> >extent of the poor gas mileage your car is experiencing.
> >
> >Daniel1312
> >
> >In a message dated 07/08/00 21:31:19 GMT Daylight Time,
> >Bryan.Vandiver@eng.sun.com writes:
> >
> ><< Actually it might help quite a bit. I do a lot of 'city' driving, and
the
> > accelerator pedal does see quite a bit of activity. The pump jets in the
> > dellorto are quite generous with fuel. When I bench tested the carb out
of
> >the
> > car, the pump jet squirted a nice stream of fuel 6-8'. >>
>



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