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Thread: fuel cell foam

  1. #1
    Senior Member RACING JUNKIE
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    fuel cell foam

    how long do you go with out changing, or do you remove it all togeather?

  2. #2
    Senior Member RACING JUNKIE curtisreed's Avatar
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    Haven't run foam in any of our cars in the last 25 years. (drag cars)

    Curtis

  3. #3
    Senior Member RACING JUNKIE
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    thanks for the reply dr, was thinking of removing mine, it has been in there for a while.

  4. #4
    Senior Member RACING JUNKIE
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    I also remove mine.

  5. #5
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    I drain the cell completely each fall. I'll be replacing the foam this winter as it is about 10 years old. My foam has lasted this long cuz I do drain the cell each fall.
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  6. #6
    Senior Member MASTER BUILDER
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    Without the foam you run the danger of fuel sloshing away from the fuel pump hose if the cell is a little low.
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  7. #7
    Senior Member RACING JUNKIE
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    Quote Originally Posted by chevyfireball
    Without the foam you run the danger of fuel sloshing away from the fuel pump hose if the cell is a little low.
    i always top off, affter each run.

  8. #8
    Senior Member RACING JUNKIE TheRabbit's Avatar
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    On a hard launch fuel goes back and of course it has to go up too.
    This can cause a small amout of air to get in the lines and cause the motor to run out of fuel for a split second. Foam does help to control the sloshing effect.
    It will break down over time,but it's pretty cheap to replace.
    I'm to slow to take any chances so I still use mine.


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