datsun-roadsters
[Top] [All Lists]

Re: Fw: Ultimate carb. set-up

To: fairlady <fairlady@telstra.com>
Subject: Re: Fw: Ultimate carb. set-up
From: RWM <RWM@rwmann.com>
Date: Fri, 01 Feb 2002 06:55:59 -0500
Good info.  I face this same, infrequent use, dry carb issue, which otherwise
requires lots of cranking to overcome.  Brand of pump?  Thanks.

- Bob Mann

fairlady wrote:
> 
> I've been running "after-market" electric pumps for 20 or so years on a
> number of different cars. The one I use now is a rotary-vane type, no
> tick-tick when it's working, just a steady whirr that I only hear
> between the time I turn the key and the engine starting. I find it
> comforting to hear the whirr for those couple of seconds as I know that
> the pump is working. Also, since my car is used only once a month or
> so, I know that even if the petrol in the carbs has evaporated in those
> weeks since I parked the car that the fuel up quickly and don't need
> priming or lots of cranking with the starter.
> 
> I do run it through a regulator though as my Weber carbs only like
> about 3psi. For reference my pump is mounted on the bulkhead between
> the seats and the rear axle housing. Nice and close to the fuel tank
> and not much hose re-routing.
> 
> I would recommend keeping your old mechanical pump as an emergency
> spare though as they do seem to outlive the aftermarket electricals.
> The aftermarket ones I've used so far seem to have an average life of
> about 10years.
> 
> Regards,
> Phill Brook
> 
> ----- Original Message -----
> From: "Rick Zeuschner" <rickultracolor@iprimus.com.au>
> Date: Friday, February 1, 2002 4:24 pm
> Subject: Fw: Ultimate carb. set-up
> 
> > Keep the comments coming !!!!
> >
> > So electric sounds like it could be a step backwards
> >
> > > Hello,
> > >
> > > A long time ago (the 1970's) I went thru several electric pumps
> > on my '68
> > > U20. They were a lot of trouble for me.
> > > 1) it was noisy. At first I made the mistake of anchoring it to
> > sheetmetal,
> > > sounded like a drumbeat. Even when I moved it to the frame it
> > was noisy.
> > Of
> > > course, I did it wrong and mounted it in the engine bay. The experts
> > > recommend mounting it close to the fuel tank, makes it easier to
> > push the
> > > petrol.
> > > 2) I had trouble regulating the pressure. At times it would
> > overflow from
> > > the carbs.
> > > 3) they seemed to wear out quickly. The internal gaskets failed
> > after a
> > > couple of years.
> > > 4) if you forget to turn it on, or the electrical connection
> > fails, your
> > > engine dies. I had a separate switch as an "anti-theft" measure,
> > but on
> > more
> > > than one occasion forgot to turn it on and the car died at the most
> > > embarassing times.
> > >
> > > I went back to the stock manual pump and have been happy ever
> > since then.
> > > But maybe electric pumps are much better now, I don't know.
> > >
> > > Cheers,
> > > Fred - So.SF, California
> > > BADROC
> >
> > ///  datsun-roadsters@autox.team.net mailing list
> > ///  Send admin requests to majordomo@autox.team.net  or go to
> > ///  http://www.team.net/cgi-bin/majorcool
> > ///  Send list postings to datsun-roadsters@autox.team.net
> 
> ///  datsun-roadsters@autox.team.net mailing list
> ///  Send admin requests to majordomo@autox.team.net  or go to
> ///  http://www.team.net/cgi-bin/majorcool
> ///  Send list postings to datsun-roadsters@autox.team.net

-- 
- R.W. Mann & Company, Inc.   >>  Airline Industry Analysis
  Port Washington, NY  11050  >>  tel 516-944-0900, fax -7280
  mailto:RWM@RWMann.com       >>  URL http://www.RWMann.com/

///  datsun-roadsters@autox.team.net mailing list


<Prev in Thread] Current Thread [Next in Thread>