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In this Discussion
- beanpumphotmailca June 17
- Oldcar_Mechanic October 2010
- Tallent R October 2010
64 Fairlane gas tank question
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Hi guys.I am bringing a Fairlane back to life that has been sitting in my mom's garage for about 5 years. I am sure I will have a few more questions before I am done. But the tank has old gasoline that has been sitting for about 5 years, the last time the car was run. I plan to totally clean out the entire fuel system. But one question I have is when I empty and drop the tank, what do I use to clean out the inside to remove the varnish buildup that may be in there? I don't want that stuff coming loose after I have cleaned and reassembled the whole system. Thanks, Donald.
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I have had good luck with doing the cleaning myself.
After removing the old fuel, rinse the tank as well as you can. Be sure to understand the local EPA regulations on getting rid of old gas. Also the water that is used to rinse the tank.
Fill the tank about 1/4 of the way with water and add a length of about 3 feet of chain. With someones help slide the chain around the tank so it scrapes all sides of it. Dispose of the water and rinse thoroughly. Leave it out in the sun to dry.
Ron -
If the previous methods still leave residue in the tank . About 3 liter's of
Coke-A-Cola left in overnight has enough acid in it to eatup most anything.
You can tap on the bottom of the tank and tell if it is coated inside with crud.
I used this process to clean a tank the radiator shops acid tank failed
to remove. Thier acid broke the debris loose from the battom of the tank.
But did'nt disolve it.
The Coke did though, it poured out like muddy water next day.
I'll warn you though , it revealed a few pin holes . Regular tank sealer can cope with that however.
RogerRetired Tech. -
I myself have done the coke trick it works great!!!
but you might need to repeat the proses a few times it all depends on the severity of the varnish remember rinse and let it air dry then rinse again with gas let air dry then put in tank sealer for small pin holes that you might have
