Fuel cell foam??

I will be running pump gas in my fuel cell,
run with or with out the foam? Does regular
gasoline deteriate the foam?

I've never had a problem with the foam in my tank
with gas, been in there 12 years now

I have a car with a fuel cell, that has been sitting dry for three or four years. I hope to have the car back on the track this summer or next. Do I need to replace the foam before I fill the fuel cell and start the car? I don't want to get the fuel system messed up.

Thanks, John

Quote:

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I have a car with a fuel cell, that has been sitting dry for three or four years. I hope to have the car back on the track this summer or next. Do I need to replace the foam before I fill the fuel cell and start the car? I don't want to get the fuel system messed up.

Thanks, John

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Either take it all out and rinse the tank clean
and run it with no foam for your start up or re-foam
it then start it up
EDIT
I shouldnt say to re foam it YET, put gas in it and
let it set(so the foam is covered) then after its
set for about a hour squash it with your hand and
see if it crumbles... if so replace it