In tank mods
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Postmaster
Joined: Dec 2008
Posts: 3,340
Likes: 2
In tank mods
I pulled my fuel tank and doing some in-tank mods. I'm also going to replace the line going to the fuel pump and put an in-line filter. I was considering doing it a little different and wanted to run it buy you guys. What do you think of this:
http://s481.photobucket.com/albums/r...t=IM004881.jpg
http://s481.photobucket.com/albums/r...t=IM004880.jpg
The one pointing up is the return line and since it goes straight up natural for air to do the same? Any feedback would be appreciated before I throw that big a** 40 gallon tank back in. Thanks
http://s481.photobucket.com/albums/r...t=IM004881.jpg
http://s481.photobucket.com/albums/r...t=IM004880.jpg
The one pointing up is the return line and since it goes straight up natural for air to do the same? Any feedback would be appreciated before I throw that big a** 40 gallon tank back in. Thanks
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Why are you not using the original pick-up foot with the mesh screen in it. It will screen out large stuff that could clog your pre-pump filter.
I am not sure what to think of the return line routing. If the fuel level gets below the tube it will spray fuel into the air and it will splash down causing air bubbles near the fuel pick-up. I think it should be routed along the bottom of the tank and extend as far away for the fuel pick-up as possible.
Also, are you sure the hose you are using in the tank is ok to leave immersed in diesel fuel. Just because the inside layers are diesel safe does not necessarily mean the outer layers are.
You asked I answered. Just some things to think about.
I am not sure what to think of the return line routing. If the fuel level gets below the tube it will spray fuel into the air and it will splash down causing air bubbles near the fuel pick-up. I think it should be routed along the bottom of the tank and extend as far away for the fuel pick-up as possible.
Also, are you sure the hose you are using in the tank is ok to leave immersed in diesel fuel. Just because the inside layers are diesel safe does not necessarily mean the outer layers are.
You asked I answered. Just some things to think about.
Thread Starter
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Postmaster
Joined: Dec 2008
Posts: 3,340
Likes: 2
re
Why are you not using the original pick-up foot with the mesh screen in it. It will screen out large stuff that could clog your pre-pump filter.
I am not sure what to think of the return line routing. If the fuel level gets below the tube it will spray fuel into the air and it will splash down causing air bubbles near the fuel pick-up. I think it should be routed along the bottom of the tank and extend as far away for the fuel pick-up as possible.
Also, are you sure the hose you are using in the tank is ok to leave immersed in diesel fuel. Just because the inside layers are diesel safe does not necessarily mean the outer layers are.
You asked I answered. Just some things to think about.
I am not sure what to think of the return line routing. If the fuel level gets below the tube it will spray fuel into the air and it will splash down causing air bubbles near the fuel pick-up. I think it should be routed along the bottom of the tank and extend as far away for the fuel pick-up as possible.
Also, are you sure the hose you are using in the tank is ok to leave immersed in diesel fuel. Just because the inside layers are diesel safe does not necessarily mean the outer layers are.
You asked I answered. Just some things to think about.
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Was the original pick-up foot in such bad shape it could not be reused?
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Postmaster
Joined: Dec 2008
Posts: 3,340
Likes: 2
The original pick-up was ok. I will look at putting it back in and thanks for the advice. Is the 30R9 compatible in the tank? I also don't quite understand the benefit of the return line going sideways as opposed to up.
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Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Like I said in my post "If the fuel level gets below the tube it will spray fuel into the air and it will splash down causing air bubbles near the fuel pick-up. I think it should be routed along the bottom of the tank and extend as far away from the fuel pick-up as possible." The most important thing is to route it as far away from the fuel pick-up as possible . Remember, the whole thing behind the in-tank mod is to keep air form entering the fuel supply. For just a few bucks and a couple of clamps you can add some SS brake line to that elbow.
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Posting Guru
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the return line is heated fuel comming back from the engine, being right next to the pickup will cause the heated fuel to go right back to the engine as opposed to the "cooler" fuel in the tank.
And it pointing up, when the fuel level gets below the "U" it will go up and come done in the tank making it look like a water fountain. the fountain effect will cause air right near the pickup. air going into injectors is no good.
And it pointing up, when the fuel level gets below the "U" it will go up and come done in the tank making it look like a water fountain. the fountain effect will cause air right near the pickup. air going into injectors is no good.
Lead Driver
Joined: Jun 2003
Posts: 8,298
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From: Damon (South East Texas)
Well then, Man. Get'r done!