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Re: [Spridgets] Fuel pump pressure

To: spridgets@autox.team.net, BJ8 Healeys <sbyers@ec.rr.com>, Larry
Subject: Re: [Spridgets] Fuel pump pressure
From: Michael MacLean <rrengineer.mike@att.net>
Date: Sat, 13 Aug 2011 15:00:56 -0700 (PDT)
I defer to Larry.  A much better price!
Mike

--- On Sat, 8/13/11, Larry Daniels <ladaniels@sbcglobal.net> wrote:

From: Larry Daniels <ladaniels@sbcglobal.net>
Subject: Re: [Spridgets] Fuel pump pressure
To: "Michael MacLean" <rrengineer.mike@att.net>, spridgets@autox.team.net,
"BJ8 Healeys" <sbyers@ec.rr.com>
Date: Saturday, August 13, 2011, 7:46 PM

Or you could buy the same pump from Aircraft Spruce for $33.50.

http://www.aircraftspruce.com/catalog/eppages/facetpumps.php


LAD



-----Original Message-----
From: Michael MacLean
Sent: Saturday, August 13, 2011 12:56 PM
To: spridgets@autox.team.net ; BJ8 Healeys
Subject: Re: [Spridgets] Fuel pump pressure

Steve,
     Just get a Facet pump and install it near the tank. About 3-4 PSI.
Pegasus Auto Racing has the for $46 bucks.  See link:

https://www.pegasusautoracing.com/productdetails.asp?RecId=82

Mike MacLean
60 Sprite
56 BN2
02 Heritage Springer

--- On Sat, 8/13/11, BJ8 Healeys <sbyers@ec.rr.com> wrote:

From: BJ8 Healeys <sbyers@ec.rr.com>
Subject: [Spridgets] Fuel pump pressure
To: spridgets@autox.team.net
Date: Saturday, August 13, 2011, 5:37 PM

Hello, Spridgeteers!

What is the nominal fuel pump pressure for a '73 Midget?

Last November, my Midget began trying to stall at stops.  Troubleshooting
determined that the front carb was flooding.  Changing to Grose Jets and
trying two different new sets of needles/seats, a new float, and even
changing the front carb for a spare did not fix the problem.  I then
suspected the fuel pump pressure was too high, but until today I did not
have a way to check the pressure, so I moved on to other projects with more
chance of success.

I installed the pump in 1988. It is an aftermarket vane pump (Blackstone
Industries, P/N EP10, made in West Germany).
I have been unable to find any information about the pump on the internet.
Could a pump have an internal failure that would suddenly raise its output
pressure?

This morning, I put a pressure gauge on the hose at the front carb and it
pegged the gauge at more than 10 psi.  I think it should be closer to 4 psi
and below, but can't find a fuel pressure spec in the shop manual, either.

Thanks!
Steve Byers
Havelock, NC  USA
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