C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Fuel tank cleaning..

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Old Aug 17, 2005 | 09:38 PM
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Default Fuel tank cleaning..

Any suggestions for cleaning the fuel tank?
Overtime sediment will deposit in the bottom of the fuel tank. Has anybody done this?
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Old Aug 17, 2005 | 09:56 PM
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Originally Posted by Kinkajou
Any suggestions for cleaning the fuel tank?
Overtime sediment will deposit in the bottom of the fuel tank. Has anybody done this?
I would not mess with it unless you have to.There is good filtration on the pump and fuel filter.It would require removing the tank to do it right.
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Old Aug 17, 2005 | 11:08 PM
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If you feel like dropping the tank and washing it, more power to you

Better yet, buy a fuel cell for that race inspired look (from under the car)

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Old Aug 18, 2005 | 10:30 AM
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I did mine in car. I scrubbed it out with a sponge and Mr Clean. I was surprised to find that there wasn't any place, I couldn't reach.

RACE ON!!!
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Old Aug 18, 2005 | 11:16 AM
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That sounds right. Maybe with a sponge I could try to reach every part and take out the sediment.
It is not very dirty, but I have just done the fuel tank of my bike and was surprised of all the sediment that was acumulated through the years.
Thanks
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Old Aug 18, 2005 | 07:45 PM
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I cleaned mine with the tank on. Siphoned out the tank and wiped it clean with an old terry towel. Once it was dry I took a shop vac to the inside to get the rest of the stuff out. I'm not too sure of the wisdom of using the shop vac on the tank, but i'm here to type about it
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Old Aug 19, 2005 | 04:58 PM
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Haha, nice.. I heard dropping a lit zippo in there is a good way of making sure nothing is left, once all is siphoned out
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Old Aug 19, 2005 | 06:30 PM
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Originally Posted by CFI-EFI
I did mine in car. I scrubbed it out with a sponge and Mr Clean. I was surprised to find that there wasn't any place, I couldn't reach.

RACE ON!!!
Hey CFI how many miles to a gallon of Mr. Clean?
I would think it would be better to use a petroleum based cleaner if your going to do it wouldn't it?
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Old Aug 19, 2005 | 06:49 PM
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Originally Posted by cmontel727
I cleaned mine with the tank on. Siphoned out the tank and wiped it clean with an old terry towel. Once it was dry I took a shop vac to the inside to get the rest of the stuff out. I'm not too sure of the wisdom of using the shop vac on the tank, but i'm here to type about it

I'm quite sure of it....or the lack thereof. Even empty and "dry", there are quite a few fumes left in there. If you're curious as to why you shouldn't do this, take the motor out of your shop vac, step into a dark room, plug it in and fire it up. See all those neat little sparks coming from the motor? Drawing gasoline fumes into the shop vac could prove to be catastrophic. The instructions that come with the Shop Vac warn you not to use it to suck up any flammable liquids.

Better to use just the terry towels. Dampen them with alcohol first and wipe away.....

Yes, this can be done with the tank in car rather easily.
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Old Aug 19, 2005 | 07:09 PM
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Originally Posted by Redeasysport
Hey CFI how many miles to a gallon of Mr. Clean?
I would think it would be better to use a petroleum based cleaner if your going to do it wouldn't it?
It blew big, pretty, bubbles out of the tail pipes for the next 500 miles. The ladies loved it.

What I was cleaning was plain old dirt. I had changed my fuel filter and the gasoline that was draining from it was brown. I cut the filter apart and found massive amounts of silt inside. I got the inside of the tank dry and then went in with a sponge wet with cleaner. I rinsed as best I could with damp/wet sponges and let it dry again. One last rinse and I called it a day. Possibly it wasn't the best choice of cleaners, but I have never had any repercussions.

RACE ON!!!
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Old Aug 19, 2005 | 09:18 PM
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Wow, using a Zipo!
It is a good idea, that way you can look inside while the whole tank gets sterilized along with your face!

Wonder if that will change the fuel tank capacity.
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Old Aug 20, 2005 | 07:34 PM
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Originally Posted by cmontel727
I cleaned mine with the tank on. Siphoned out the tank and wiped it clean with an old terry towel. Once it was dry I took a shop vac to the inside to get the rest of the stuff out. I'm not too sure of the wisdom of using the shop vac on the tank, but i'm here to type about it
When I was in the Coast Guard We responded to a fire at a marina in Sandy Hook New Jersey, It seemed that some Einstein tried to syphon all the fuel out of their boat before they stored it for the winter. They are not here to talk about it.
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