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bladder or no bladder?

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Old May 8, 2008 | 06:04 PM
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Default bladder or no bladder?

should i install the bladder in my new fuel tank or not?it looks to be in good shape.i dont no what to do so i will ask you.pros and cons please.thanks,tj
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Old May 8, 2008 | 06:47 PM
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Originally Posted by tjohn1008
should i install the bladder in my new fuel tank or not?it looks to be in good shape.i dont no what to do so i will ask you.pros and cons please.thanks,tj

My bladder was in bad shape so I just reinstalled my tank without it. I actually gained about a gallon of capacity, and as far as I know the bladder was just a safety item designed to help keep the fuel in the tank in the event of a rear collision. I'm okay with not having one, but others may disagree.
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Old May 9, 2008 | 10:12 AM
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Originally Posted by Durango_boy
My bladder was in bad shape so I just reinstalled my tank without it. I actually gained about a gallon of capacity, and as far as I know the bladder was just a safety item designed to help keep the fuel in the tank in the event of a rear collision. I'm okay with not having one, but others may disagree.
Same here. I took mine out and the tank was pristine inside.
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Old May 9, 2008 | 10:22 AM
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Is this a post 78 tank ? How did you guys take that bladder out ?
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Old May 9, 2008 | 10:28 AM
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The bladder is there for safety reasons (mandated by the Feds) in the event of a collision. A spark could ignite gas fumes and we all know how fiberglass holds up under fire. If you can, I would definitely recommend reinstalling it.
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Old May 9, 2008 | 10:53 AM
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Originally Posted by Belgian1979vette
Is this a post 78 tank ? How did you guys take that bladder out ?
The OP has a 76 vette, which has a removeable rubber bladder in the tank.
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Old May 10, 2008 | 08:45 AM
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Originally Posted by Jud Chapin
The bladder is there for safety reasons (mandated by the Feds) in the event of a collision. A spark could ignite gas fumes.

Wouldn't this apply to every other car's gas tank, most of which are not equipped with a bladder? I understand the fiberglass burns a lot faster, but the fire would still start in a steel bodied car.
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Old May 10, 2008 | 09:05 AM
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thanks for all your input,i think i will install in new tank,tj.
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Old May 10, 2008 | 10:42 AM
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Originally Posted by Durango_boy
Wouldn't this apply to every other car's gas tank, most of which are not equipped with a bladder? I understand the fiberglass burns a lot faster, but the fire would still start in a steel bodied car.
On a plane about 30 years ago, I happened to be sitting next to a Fed who was very familiar with this bladder and why the Gov got involved. While I don't remember even how the subject came up, as I recall, it was an extreme safety issue since a rear end or side collision could result in a punctured fuel tank, which could result in fuel all over the place, which could result in a fire, and burn the Vette, and its occupants, to the ground in a very short few minutes. Other factors were, I believe, the proximity of the tank to external elements and the size of the car. One thing I remember very clearly was that this guy was very adamant about the safety provided by the bladder. Frankly, there is no way I run my Vette without one.
Here's something I found on the net regarding the subject. Tab down to General Motors, Exploding Gas Tanks:

http://www.multinationalmonitor.org/...mm1292_06.html

Last edited by Jud Chapin; May 10, 2008 at 11:16 AM.
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