[Tigers] Fuel pumps, redux

[THEO SMIT]

The author of the article mentions that the pump draws about 3 amps when the
points are closed... then designs in a 1 amp diode to clamp the emitter
voltage. It would be prudent to put in a diode rated at about 5 amps in this
situation. I realize that the author has run lots of miles on the car after
the conversion but the MG pump isn't located over the muffler either.

Theo

----- Original Message -----
From: "A. C. Tynes" <v8tracker at gmail.com>
Date: Wednesday, October 15, 2008 6:33 pm
Subject: Re: [Tigers] Fuel pumps, redux
To: tigers at autox.team.net

>  Guys, again,
>
> Here is an article about adding a transistor to an SU fuel pump
> to reduce
> the current across the points, which is said to make a big
> difference in
> reliability and durability at the cost of about $3 worth of
> parts. Note that
> there is one version for positive ground and one for negative ground.
>
> http://www.mgccq.org.au/tech4.htm
>
> HTH, too,
> A.C. Tynes
> New Orleans
>
> > -----Original Message-----
> > From: tigers-bounces at autox.team.net
> > [mailto:tigers-bounces at autox.team.net] On Behalf Of Ron Fraser
> > Sent: Wednesday, October 15, 2008 6:17 PM
> > To: Rollright at aol.com; tigers at Autox.Team.Net
> > Subject: Re: [Tigers] Fuel pumps
> >
> > Jim
> > 	SU Fuel pump	AUF301/1 is the listing in the Rootes
> > Parts list.
> > Here is a web site about the SU fuel pumps.
> > http://homepages.donobi.net/sufuelpumps/
> >
> > I did a search last year for a conversion kit but came up empty.
> >
> > Keep us informed if you do come up with a conversion kit and
> supplier.>
> > Ron Fraser
> >
> >
> >
> > -----Original Message-----
> > From: tigers-bounces at autox.team.net
> > [mailto:tigers-bounces at autox.team.net]
> > On Behalf Of Rollright at aol.com
> > Sent: Wednesday, October 15, 2008 6:27 PM
> > To: tigers at Autox.Team.Net
> > Subject: [Tigers] Fuel pumps
> >
> >
> > Hello,
> >
> > What is the SU model number of a stock Tiger fuel pump?
> >
> > And, some time ago I bought a "pointless" SU pump from Rick
> > at SS. They don't carry them anymore and I'd like to convert
> > my spare to "pointless"
> >
> > Thanks in advance,
> >
> >
> > Jim  Armstrong
> > Mk 1A 382002083
> > LRXFE
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> > Date: 10/15/2008
> > 7:29 AM
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