Electric Fuel pump?

[Lumpskie]

Novak sells a drop in in-tank Delphi that's good to go with new sending unit. $234 if I recall for a hi pressure unit.

You can build your own for about $100 or less if your low pressure.

So... my Holley Red looks like it's dead.



My wife called me, stranded in a parking lot. She could tell that the pump wasn't running by listening. (I actually liked that the Holley was loud just for this reason.) I thought it might be electrical so I ran a power and ground straight from the battery to it. No luck. At this point, I want something more reliable. I checked the Novak site and I don't see anything listed for carb'd engines.

What do you guys suggest for fuel pumps these days? The best performance I've gotten is from my Holley Red and I think that lasted 2 or 3 years.


EDIT: Found this on BJ's... is this the novak setup?

http://www.bjsoffroad.com/Gen-III-LS-In ... _1953.html

[Lumpskie]

Called BJs. They said I could use the LS in-tank pump setup with an external regulator. Are any of you guys running something similar? Have suggestions on a regulator? Do you think in-tank is worth it?

[rocklaurence]

I dont like the idea of a pump producing 60 psi and then regulating it back down to 6psi. That is a lot of wasted energy. Plus, how accurate will the regulator be turned almost off?

[Chubbinius]

It looks like one of the POs of my 1970 Wagoneer installed a Facet cube style 12v electric pump. They have a whole range of them with pressures ranging from 1psi all the way up to 11.5psi. https://www.pegasusautoracing.com/group ... ACET12CUBE

This one is 4.5-6psi max pressure https://www.pegasusautoracing.com/produ ... RecID=8706

Maybe one of them will be an option for your GW?

[ShagWagon]

They do hav3 low pressure electric in tank fuel pumps that can be rigged onto any sending unit if you choose not to use a regulator. Those BJ sells are made for higher presser FI systems. Carbs use 5-8 psi, fitech Holley bolt on FI use 58, GM TBI uses around 25psi iirc.

Either way I’d go intank because it’s quieter and runs cool because it’s submerged in liquid. Should last longer if cooler.

[tgreese]

Yes, carburetors use very low pressure fuel delivery compared to EFI. The TSM specs 4-5 psi for the 6s, and 5-6.5 for the V8s. Even this is too much for some carburetors, like the aftermarket Holley-Webers. A carburetor will run just fine from siphon pressure of a gas can sitting on the cowl.

The in-tank pump may seem like a good idea, but I would just get another fuel pump like the red Holley intended for carburetor use. You can't condemn them based on a sample size of one. Switch brands if the Holley offends you now.

[Lumpskie]

Thanks for the feedback, guys. It sounds like I need to do more research before going to an in-tank setup. Long term, I am going to buy a new sending unit (I need one anyway) and I'll research in-tank low pressure pumps more. Short term, I bought another Holley Red and I'll use that to get me back on the road quickly. I'll update this thread if I come up with something else I want to try.

Thanks again.

[dodgerammit]

I run an in tank on mine. Here is my thread: http://www.fsjnetwork.com/forum/viewtop ... mp#p143500

Note that my sender (pre 86) is a bit different than yours in the way the float arm is attached, making this install more straightforward for me. Still, you could probably mod yours to work easy enough. No issues with mine thus far. Replacement would be easy since you can do it from the access panel.

[kansasboy001]

For the 86+ sending unit its a little more difficult. What you have to do is remove the 1/4 return line from the sending unit. Drill a larger hole and install a barbed fitting on both sides. Use some type of fuel safe semi bendable tubing such as nylon tubing or polyethylene. You will have to lower the fuel pump into the tank with the nylon tubing attached to the pump. Hanging the pump by its wires. Then you work the sending unit into the tank and connect the tube to the barb in the sending unit and don't forget to clamp. You have to do this because due to the design of the 1986+ sending unit and the size of the hole in our tank you can't fit both parts in at the same time.