LUVTruck.com

So on my 1980 luv i removed the expansion tank and sold it with the bed when i build the flatbed on it well now it will drive for a bit and then when pressures get to high it surges and starts dying off and i have to go back and disconnect the fuel filter to release pressure then put home what can i do to fix this

I would source another vapor recovery tank and mount it under the bed...

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FIAA!

SFPP!

You can get a vented cap, you will smell fuel around it though. Also, the oil pan is vented to that tank as well, if you didn't change the lines on the fire wall then you may be pressurizing that as well.

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Certified pilots, looking down on people since 1903.

Vented cap doesnt work and i dont know what canister would provide the correct vacuum pressure

What about a race style fuel pump that doesnt require a vacuum pressure or would that send too much fuel to the carb

Here is your problem. You don't have a tank vent. As fuel is pumped out of the tank air can not replace it, causing your problem.

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Certified pilots, looking down on people since 1903.

So what should i do ive put a vented cap and ive tried all different kinds of hose setups between plugged and not plugged ive thought about just ripping the whole system out and just putting a fuel cell on the back and running fuel that way with the stock pump

If it worked with the evaporate canister then find one and put it back on, no need to reinvent the wheel. without being there I can't tell you what to do.

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Certified pilots, looking down on people since 1903.

Cant find themanywhere

I have one im about to remove from my 78'

Yeah but i wouldnt mind changing the tank either to a larger 35 gallon cell that can bold to the headach rack of my flatbed and then just run it straight through the filter amd pump no vacuum lines and more gas

There are no vacuum lines, it's called vent tines and a expansion tank.

Look, a evap tank was offered, you don't want it. Just fix it anyway you want, a lot of suggestions were made.

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Certified pilots, looking down on people since 1903.

He never mentioned a price for it but i would like that cuz it would be cheaper and easier to mount