Fuel tank pick up tube

[Oicdodd812]

Here soon I will be doing the fuel tank pick up tube mod on my 05 truck. Sucking air at 1/4 tank is getting old. I know to cut a v in the bottom of the tube at install so as to not suck the bottom of the tank but is there any other tips I need to know. Also of it is a pick up broken off should I go ahead and drain the tank as to not send any tiny bits of the broken plastic into my fuel system? Thank you in advance for any help guys!!


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[sargar]

Have you considered a sump? Gravity feed will help the fuel pump not have to work as hard. As it is the pump has to draw fuel through the straw AND pressurize and send it forward. Just a random thought before you tear into it.

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[Oicdodd812]

Ill have to look into the sump idea. Not too familiar with it. I will be soon though thanks to the .org! Lol


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[Oicdodd812]

I like the sump idea! Not bad at all. Also like the idea of having extra filters. Let me ask you a newbie question. With the current configuration is the fuel pump external to the tank and inside is just a pick up assembly? If this is the case the only thing I will need for the mod is the sump and filter assembly installed.


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[sargar]

All that is in the tank is the pick up straw and the float for the gauge. The pump is on the framerail where the primary fuel filter is.

Look into doing the harpoon mod while you have the tank out. It makes filling the tank quicker and it will let you pack a little more fuel in. On my short bed 06 I can regularly put 32 gallons in it when the fuel light comes on and the extra fuel gives me a range of just over 500 miles on a tank.

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[Oicdodd812]

Sweet! I read a little about that mod and was going to while I was in. Does the sump mod require a new aftermarket lift pump as well. The sinister sump kit says it does and I can figure out why...


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[Oicdodd812]

Typo. I can't figure out why...


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[Oicdodd812]

Does anyone know if I need an aftermarket lift pump when using a sump pump to eliminate the stock pick up tube?


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[sargar]

You should not "need" a lift pump since you don't have one now. However, the stock pick up/fuel line is small, like 5/16 or so and most sumps have a 1/2 outlet. I'm sure it is easy to get around and make what you need, if it is not already available. Worse case would be to run an AirDog or FASS system. If you have zero performance upgrades in mind those would be overkill just to get a sump but I know that AirDog offers a kit that makes the fuel lines a snap together deal.

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[Oicdodd812]

I have performance updates in mind for the future but for now I'm not ready to drop 6 or 7 hundred into a pump unless I'm going to take it all the way. I think I'll do the sump and a set of external filters mounted near the tank and when I'm ready to update the fuel system I will have a head start. In the mean time no more 1/4 tank air issues of fill problems!! Thanks for the help guys. You all are a very valuable resource!!! Many thanks.


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