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Old 08-15-2022, 11:35 PM
Zooguy Zooguy is offline
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Default Electric fuel pump mounting location

All right so I'm upgrading my fuel system to be a return style fuel system and I'm going to be running an electric fuel pump specifically a holley black fuel pump and PTFE lines that shouldn't deteriorate with modern ethanol fuels. I have a 15 gallon fuel cell mounted in the trunk and I'm trying to consider the best location for mounting this fuel pump. Does anybody have any suggestions or pictures of where you mounted yours?

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Old 08-16-2022, 09:23 AM
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Electric fuel pumps push fuel better than pull fuel. I try to get the fuel pump as close to the fuel cell as possible. You also don't want the pump to be higher than your fuel source. With that said, I have installed mine inside the right rear frame rail. I'll try to post a photo later today.

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Old 08-16-2022, 09:51 AM
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1) Pump behind the fuel cell.

2) Battery mounted in the trunk if a race car.
If the fuel tank in the trunk is there for extended fuel tank range then
that is a different topic.

3) 40 amp relay and proper shielded wiring to the fuel pump.
Bad Boy pumps draw a lot of amps.

Have fun

Tom V.

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Old 08-17-2022, 07:29 AM
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Just to say, PTFE line is nice, but almost all new fuel line now handles today's gas.

If you want to take it to the track, you may want to look at the NRHA rule book, because you're limited to like 3' or so of soft lines. (Rest has to be hard lines).

You WANT to run hard lines as much as possible for fuel, because due to the fuel line slightly enlarging when under psi, and contracting during low psi times, you can experience fluctuations in fuel psi. More prone in deadhead systems than return systems, but still a concern.

Aside from the psi thing, you still want to run as much hard line as possible for 2 reasons, one, you don't have to change all the lines every X years, which I think by NRHA standards, is every 3 or 5 years. And two, it safer, not to mention less costly.

Pump (electric) lower than the source, and as close to the source is fuel system 101.

.

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Old 08-17-2022, 09:46 AM
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I know the recommendation is below tank. Both my 78 TA and IA/Camaro they are mounted about mid tank. Seem to be doing OK.
Filtered vent.
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Old 08-17-2022, 02:25 PM
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Here's couple photos from my 66. One more item that I added was a shut off at the tank. Having the shut off will make life easier, if you need to service the fuel system.
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Old 08-17-2022, 02:36 PM
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A shut-off valve is an excellent idea.

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