[Fot] Holley Red Top fuel pump question

[Duane Bailey]

I have run the Facet pump mounted to an aluminum panel mounted to the front of the boot in my SCCA Spit for over 20 years without ever having a problem or replacement. I actually have 2 because my cell has 2 pickups, I only run 1 pump at a time. They are about 6 in above the top of the cell, & just no problems. Duane 

    On Sunday, February 5, 2017 4:40 AM, davehogye via Fot <fot at autox.team.net> wrote:
 

 Bud,
I originally ran a blue Holley pump above the top level of my fuel cell with around two feet of hose to it, without a problem and I now use a Facel cylindrical type in the same spot, still with no problems.  The Holley was too loud for anything but full throttle race conditions in my TR3.  It buzzed terribly loud.  If I mounted the Holley at the end of a ten foot stick outside the car, it might have been perfect.  The pump is mounted to the roll cage tube in the trunk and although rubber mounted, perhaps the intense buzzing sound was amplified through the cage tubing.  I still have the Holley as a back up.  I know many use these Holley pumps without problems, that's why I initially chose it.  I just couldn't tolerate it's buzz during occasional street use or touring.  Besides the noise it worked fine, above and away from the tank.
// Dave H.
From: "Bud R via Fot" <fot at autox.team.net>
To: "FOT" <fot at autox.team.net>
Sent: Saturday, February 4, 2017 9:58:55 AM
Subject: [Fot] Holley Red Top fuel pump question

List,
Holley recommends that their fuel pump be installed so that the pump is lower than the fuel level. Has anyone had a problem with the pump installed  differently? 
My dilemma is that my fuel cell sits low (in a cut out with brackets) in the boot of my Spitfire and the previous owner had installed the old Holley pump lower than the fuel level but in what I felt like was a dangerous place as it was exposed under the car and the fuel lines were also routed where they could have gotten easily damaged (basically very close to the wheel well). I’m moving the fuel pump and the lines to be inside the boot but it is not possible to make the pump sit entirely below the fuel level since the bottom of the fuel cell sits below the floor of the boot. The chosen location makes the pump sit about 1/3 of the way from the fuel cell bottom.
I know Holley wants to take advantage of the siphoning effect (apparently because they push fuel better than they pull fuel) but does that matter as long as the fuel pressure is maintained at the proper level for my carbs? I figure if I run with the fuel cell full (8 gal) the fuel level will be above the pump the majority of the time. I’ve been burning about 3-4 gallons per (20 min.) race.
Has anyone had issues with the Holley fuel pumps not being installed exactly like Holley says? I’ve seen some other Spitfire racers with the Holley fuel pump NOT below the fuel level so I’m hoping it works for me to do the same. I’m thinking about one of the two locations shown in the pics. Right in front of the fuel cell is my preferred location at this point as the other location to the side of the fuel cell would be more vulnerable in a crash situation.
ThanksBud Rolofson

Extreme Parts Racing (more than just a haircut)

71TR6 CC57365 (Good 6)
71 Spitfire MK IV Race Car #3
69 Spitfire MK III (back up FE engine/dinghy car)
93 Minnie Winnie Race Support Vehicle 
77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)
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