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Car Forum / Antique and Collectibles / Studebaker / May 2009Multi Fuel Pump Theory
Hey guys, Does anybody see anything wrong (like, oh my God, don't do it!) with hooking an electric fuel pump up in line with the mechanical pump. My theory being that by doing so would pressurize the fuel line through the entire engine compartment and thereby greatly lessen the possibility of vapor lock during the hottest days of summer as well as help furnish a stronger fuel flow to the carb. Fuel line from tank and fuel filter to electric pump; electric pump output to mechanical pump inlet and mechanical pump outlet on to the carb. Any thoughts or personal experiences? (This is on a Stude V8) Thanks, -George- -63 GT Hawk -63 Champ -56 Golden Hawk -51 Commander Land Cruiser I believe the electric fuel pump may overcome the diaphram in the mechanical pump and pump the crankcase full of gas. > Hey guys, > Does anybody see anything wrong (like, oh my God, don't do it!) with [quoted text clipped - 13 lines] > -56 Golden Hawk > -51 Commander Land Cruiser  Signature2R10 2R14 3E38 4E3 4E28 5E13 7E7 8E7 8E12 8E28 etc etc I had a electric pump on my T-cab and never experienced a problem. Eventually there was a diaphragm leak, but it just squirted on the ground and I rerouted around it. If the vehicle is a daily driver, just ditch the mechanical pump. Not one of my daily drivers is so equipped any longer. > I believe the electric fuel pump may overcome the diaphram in the > mechanical pump and pump the crankcase full of gas. [quoted text clipped - 16 lines] >> -56 Golden Hawk >> -51 Commander Land Cruiser Yeah but Grump, he was asking about using both at the same time! > I had a electric pump on my T-cab and never experienced a problem. > Eventually there was a diaphragm leak, but it just squirted on the [quoted text clipped - 23 lines] >>> -56 Golden Hawk >>> -51 Commander Land Cruiser Signature2R10 2R14 3E38 4E3 4E28 5E13 7E7 8E7 8E12 8E28 etc etc I had both for about eight years... JT > Yeah but Grump, he was asking about using both at the same time! > [quoted text clipped - 25 lines] >>>> -56 Golden Hawk >>>> -51 Commander Land Cruiser Well Thanks for the input guys. What I did was I ran the electric thru a switch under the dashboard. The mechanical pump draws gas past the impeller wheel of the electric, and when I want to turn the electric on to operate as a dual (like on super hot days) I just flip up the switch and on it goes (wire thru the ignition switch of course). We'll see how it goes! -George- On May 10, 5:23 pm, Grumpy AuContraire <Gru...@ExtraGrumpyville.com> wrote: > I had both for about eight years... > [quoted text clipped - 29 lines] > >>>> -56 Golden Hawk > >>>> -51 Commander Land Cruiser Just bear in mind that the best place to put an electric pump is as close as possible to the tank. I have a similar set up for the Power Hawk to avoid long cranking after lengthy storage. JT > Well Thanks for the input guys. What I did was I ran the electric > thru a switch under the dashboard. The mechanical pump draws gas past [quoted text clipped - 41 lines] >>>>>>-56 Golden Hawk >>>>>>-51 Commander Land Cruiser |
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