[Fot] fuel pressure regulator

[EDWARD BARNARD]

Group: Tony is dead on in his assessment. We had the same issue in the now
Randy Williams TR3. The Holley red only puts out 4 psi, and as you try to
adjust a Holley regulator down to 3-3.5 psi there isn't enough of a pressure
differential to let the diaphragm work properly. The fix is to move up to the
Holley blue, and adjust the pressure to the desired level.
On this topic...most of us (read carb equipped) want pressures in the area of
2-3.5 psi. All the pressure gauges I can find read 0-15 psi. This puts us
using them in the lower 25-30% of the gauge which is not the desired area to
be reading. Has anyone been able to find a gauge that reads 0-5 psi? I have
looked all over, including aircraft supply places, with no luck.
 
-Ed-

--- On Mon, 7/9/12, Tony Drews <tony at tonydrews.com> wrote:


From: Tony Drews <tony at tonydrews.com>
Subject: Re: [Fot] fuel pressure regulator
To: "Mike Mehl" <mike.mehl at yahoo.com>, "Triumph Friends of"
<fot at autox.team.net>
Date: Monday, July 9, 2012, 8:44 PM


Use the Holley Blue pump (about 15 psi output as I recall) with the
Holley regulator - either the 1-4 psi regulator or the 4-7 psi
regulator.  If you use a low pressure pump you won't have enough
pressure differential to properly actuate the regulator.  Jack and I
went through many permutations of pump / regulator before we found
the reliable fix to the problem.

I run a rock solid 2 psi to my Webers with that set up.

Tony Drews

At 04:53 PM 7/9/2012, Mike Mehl wrote:
>After fighting all weekend with my fuel issues I am thinking it is the
Holley
>regulator.  Actually Jim Norlin though of it.  It broke on me a year ago at
>this event.  It seems to be the only one that is 1 to 4 psi that I could
>find.  Looking for input.  If my memory serves me we want to run 3.5psi with
>my SU HS6 carbs.  Any thoughts on the regulator/ fuel pump??
>
>thanks  Mike
>Mehl
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