Fuel Tank and Sending Unit

by REVINKEVIN / Mr. 600+HP Sun Feb 11, 2018 1:06 am

Hey. I did a search but didn't find what I needed as far as an answer. So, I was working on putting my sub box in my trunk today so I needed to drop my tank. I saw that the previous owner had ran a 1/2" SS braided fuel line to the front. As I was removing all of that along with a big acorn shaped fuel filter I saw how he made it into the tank by drilling into the tank and bypassing the dual lines from the tank. I haven't pulled it out of the tank but I can only imagine that it is just a pipe down to near the bottom of the tank itself. Homemade drag car type of stuff. The tank looked pretty ruff when I dropped it and the old lines where just left open. I am pretty sure that none of the stock stuff works anymore so I want to replace the entire sending unit. Since my 496 with a Holley 950 HP carb will want an upgrade to a 1/2" line I am going to start from there. My question is, do they make a sending unit with a 1/2" pick up tube? I am not going to run a return or use the vapor line. I will be using a Holley 170GPH HP fuel pump as it requires no regulator and is quality piece. I will need a bank loan to buy it but that's another story. Thanks and, you know what guys, have a great day.

https://www.holley.com/products/fuel_systems/fuel_pumps_regulators_and_filters/fuel_pumps/carbureted_fuel_pumps/carbureted_mechanical_pumps/parts/12-454-25

by REVINKEVIN / Mr. 600+HP Sun Feb 11, 2018 1:21 am

I just found this. Sounds perfect except for the price. I need to sell some more of my stuff. I think this is the way to go.

And then I found this:
Fuel Tank and Sending Unit Novasn10

by Joe73 Sun Feb 11, 2018 8:38 am

I would purchase the cheapest new sender you can find and mod it like your pic. Real easy to do and it will go right into the stock location. Just keep the vent tube on it and put a screen or something on the end outside the tank. The tank needs to breathe.

by REVINKEVIN / Mr. 600+HP Sun Feb 11, 2018 12:58 pm

Hey. I had read your post about the SS one you ended up with. I think I will do that Joe. Thanks for input.

by Joe73 Sun Feb 11, 2018 1:02 pm

No problem but its still stock 3/8" line. But the sender worked properly.

by REVINKEVIN / Mr. 600+HP Sun Feb 11, 2018 1:09 pm

I mean buy the new one and do the modification. Power, we need more power.

by Sinister Thu Apr 12, 2018 7:53 pm

Where would you even find a sending unit?
I need a few..know they are pricey..

by Joe73 Thu Apr 12, 2018 7:58 pm

There are 2 line and 3 line. I dont recommend, the Spectre brand. I bought a Dorman 692-131. They are readily available. Sender works correctly.

You can read more here. https://www.g3gm.com/t10617-fuel-sending-unit-spectra-fg107a?highlight=fuel+tank+sender

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