'Steve Stone[_3_ Wrote:
> ;3304665']Can anyone tell me why my 1980's vintage Briggs powered little
No, it's not a filter. It's apparantly there to prevent the vibration
of the tool from causing the engine to draw air or fumes into the
carburator instead of gasoline. I guess the sponge ensures that in a
fuel tank that isn't full the gasoline doesn't slosh around in a
vibrating engine fuel tank they way it would without that sponge.
'What is the purpose of the sponge in the gas tank'
Probably the same reason they put them in race cars, some aircraft,
etc. It acts like a baffle to the fuel does no slosh around and away
from the pickup.
Why do you think it will decompose? It should not and I've seen them
in good condition after years of use.
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