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Fuel Pump Question

To: <sanborn@net1plus.com>
Subject: Fuel Pump Question
From: "Sumner Weisman" <sweisman@gis.net>
Date: Tue, 13 Jun 2000 18:41:30 -0400
Cc: "Triumphs" <triumphs@autox.team.net>
Organization: S. Weisman Associatescharset="Windows-1252"
Hey Guys,

I'm still running with my old pump with no problems, but I know I'll go to
an electric pump and regulator some day just for the reliability.  I thought
Bob Schaller had some good advice on this problem in "More BS About TR's",
so I looked it up.  Quote:

"An AC, 6 psi pump with an adjustable regulator makes a good installation
and is readily available.  Set the regulator to 2-3 psi for good results.
This rig fits nicely on the left fender well, just above the mechanical pump
perch, and requires a minimum of line changes.  (A word of caution) Don't
leave the old pump on the engine!  Cover the hole the pump leaves with an
aluminum plate at least 1/4 inch thick.  You can use the gasket for a
template to cut the plate to fit.  Pumps running dry soon disintegrate and
then pump engine oil out onto the ground.  You want to leave the street
oiling to the highway department."

Good advice, I think!

Sumner Weisman
62 TR3B TSF263

SNIP
What do you do with the mechanical pump.  Is it removed and the
hole covered over?  Or does the electric pump "pump" through the
old mechanical pump.   If so can't you end up filling the
crankcase with fuel if the rubber diaphragm get a hole or splits.

I wonder if the old pump can be "fixed" to just be a pass-through
fitting and not allow a leak.

Brian Sanborn
62 TR4  CT16260L - Groton, MA



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