
Fuel cell foam is a safety feature that prevents sloshing and explosions. It's important to inspect the foam regularly and replace it when necessary. The foam is not connected to the cell bladder and can be removed by reaching into the cell and pulling it out. New foam can be added by squeezing rectangular bricks through the fill plate hole and stacking them up.
| Characteristics | Values |
|---|---|
| Foam removal | Reach into the fuel cell and pull the foam out through the opening |
| Foam replacement | Stack foam bricks inside the cell until it is full |
| Foam maintenance | Inspect the foam on a maintenance schedule; check for particles that could come from dirt or fuel |
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What You'll Learn

Removing foam from a fuel cell
It is important to be careful when removing the foam, as it can be easily ripped. Manufacturers such as Superior Fuel Cells cut the foam in a way that cauterizes the edges to prevent it from falling apart. However, over time, the foam can still become fragile and prone to tearing.
Fuel cell foam has a lifespan and should be inspected regularly as part of a maintenance schedule. Racers are advised to check their foam and filter for any particles that could come from dirt or fuel that was in a bad barrel or container.
Foam is important for safety, as it helps to prevent the fuel from sloshing around and reduces the risk of explosion. Therefore, it is crucial to replace the foam if it becomes damaged or worn out.
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Inspecting foam
The foam sits inside the cell and is stacked. It is not connected to the cell bladder. Most fuel cells have a simple can and lid, with the lid bolting on, so you can gain access to the interior of the cell. The foam comes in rectangular bricks that you squeeze through the fill plate hole. Stack them up until the cell is full.
You can remove the foam from the fuel cell by reaching in, pulling a piece up next to the opening, and then pulling your hand out while still holding it. You can then squeeze it and work it through the opening. If your hand is too big to fit in the opening, you can put a hook on a metal coat hanger and hook the foam out.
Foam is needed for safety. It keeps the fuel from sloshing around or exploding. You can add foam to any cell.
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The foam's lifespan
Fuel cell foam has a lifespan and needs to be inspected on a maintenance schedule. The foam sits inside the cell and is stacked. It is not connected to the cell bladder and comes in rectangular bricks that you squeeze through the fill plate hole.
The foam is needed for safety, to prevent sloshing and explosions. It can be added to any cell and is available from Speedway, Summit and Jegs.
When inspecting the foam, carefully remove it from the bladder and place it on a clean surface. Avoid ripping the foam, as manufacturers cut it in a way that cauterises the edges to prevent it from falling apart.
Some people check their filters every three races, looking for particles that could come from dirt or fuel that was in a bad barrel or container.
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Installing foam
To access the interior of the cell, you will need to remove the lid, which bolts on. If your hand can fit through the opening, you can reach in and pull the foam up next to the opening, then squeeze it through. If your hand is too big, try using a metal coat hanger with a hook on the end to pull the foam out.
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$8.28 $9.99

Foam safety
Foam is needed for safety in fuel cells. It keeps the fuel from sloshing around and reduces the risk of explosions. The foam is stacked inside the cell and is not connected to the bladder. It comes in rectangular bricks that are squeezed through the fill plate hole.
When inspecting the foam, carefully remove it from the bladder and place it on a clean surface. Avoid ripping the foam, as manufacturers cut the foam in a way that cauterizes the edges to prevent it from falling apart. Check the foam and the filter for particles that could come from dirt or fuel that was in a bad barrel or container.
To replace the foam, you can reach your hand into the cell and pull the foam out. If your hand is too big, you can use a metal coat hanger with a hook to pull the foam out.
It is important to buy good-quality foam and to inspect it regularly as part of a maintenance schedule.
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Frequently asked questions
Fuel cell foam has a lifespan and needs to be inspected on a maintenance schedule.
When inspecting the foam, carefully remove it from the bladder and place it on a clean surface. Avoid ripping the foam, since manufacturers cut the foam in a way that cauterizes the foam’s edges to prevent it from falling apart.
The foam sits inside the cell and is stacked. It is not connected in any way to the cell bladder. Most fuel cells have a simple can and lid. The lid bolts on, so you can gain access to the interior of the cell. The foam comes in rectangular bricks that you squeeze through the fill plate hole. Stack them up until the cell is full.
Foam is needed for safety. It keeps the fuel from sloshing as much or exploding.
You can add foam to any cell. Fuel cell foam is available from Speedway, Summit and Jegs.








































