Fuel Tank Cleaning

Post any Tech Tips you may have or any service related questions.
stik
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Fuel Tank Cleaning

Postby stik » Mon Oct 31, 2005 9:25 pm

Forgive the novice question, but what is the best way to go about cleaning 23 year old varnish out of the fuel tanks of a SV? Oh by the way all of my posts may begin that way, total rookie at the making it run thing.

65sunbeam
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Postby 65sunbeam » Mon Oct 31, 2005 9:42 pm

I have cleaned several tanks that had old fuel residue and varnish by sealing all the openings and pouring in a gallon of liquid paint stripper and letting that sit for a few days. Move the tank once in awhile so it gets to all the areas you want to clean. Drain the tank and then rinse with a cleaner such as Simple Green and let dry in the hot sun. Works for me! Eric
"Life is too short to own just one Sunbeam!"
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young66tigerjoe
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Postby young66tigerjoe » Sun Nov 06, 2005 12:58 pm

2 gallons of hot water, and clean small pebble rock. (size of about dimes) And shake. Ohh yea u need to close all openings, which i did with clamps and tire tube material. Tech tip in CAT book.
Joey Hiykel 1966 Tiger MK1A
B382001072 LRXFE JAL# 661104
Omaha, Nebraska
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Wayne Reichel
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Fuel Tank Cleaning

Postby Wayne Reichel » Tue Jul 04, 2006 11:04 am

Do you have a good radiator repair shop near you? They can "hot tank" (caustic soda solution) your fuel tanks, then pressure test them for any leaks (usually 3-5 psi; don't need any more than that). I had mine done two years ago. The total bill, including a quart of Red Kote sealer, was about $75.

Warren G
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Re: Fuel Tank Cleaning

Postby Warren G » Tue Oct 04, 2011 11:44 pm

The simple green worked nice for me. If there is any rust Google and keyword motorcycle gas tank cleaning battery charger. Using TSP or Arm and Hammer washing soda with the charger you will never Kreem or use a tank coating again. I have done many cycle tanks with phosphoric acid, evaporust, and other acids vinegar etc. The Sunbeam tanks are small and it is so easy. Inexpensive and effective what more can you ask for?

mikeflbmer
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Re: Fuel Tank Cleaning

Postby mikeflbmer » Sat May 19, 2012 10:07 am

And TSP satands for? If you do this you don't need to recoat the inside of the tanks? I have two sunbeams inop right now from peeling gas tank coating...thanks goverment idiots for the ethanol (which also causes vapor lock on tigers)

the_tool_man
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Re: Fuel Tank Cleaning

Postby the_tool_man » Mon May 21, 2012 12:16 pm

TSP - Trisodium Phosphate. Buy at local home improvement warehouse of your choice. Beware of newer "phosphate-free" versions, which are not as effective.

Regards,
John.
1964 Sunbeam Alpine IV B9400903 converted to Tiger Mk1A spec.

SVRon
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Re: Fuel Tank Cleaning

Postby SVRon » Wed Jun 13, 2012 1:17 pm

No phosphate in Trisodium Phosphate...must have been made by a gov bureaucrat. Reminds me of time I was in a FedGov cafeterium. I was interrested in getting some Chili Con Carne. I asked the server if the Chili had a good amount of meat. She replied that it had no meat. A bit incredulous I said how could chili con carnie have no meat, since chili con carnie means "chili w/meat". She replied by bringing out this big can of what was clearly labeled Chili Con Carnie...in parenthesis (without meat) :shock:

the_tool_man
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Re: Fuel Tank Cleaning

Postby the_tool_man » Thu Jun 21, 2012 9:30 pm

The phosphate in TSP forms phosphoric acid, which is good if you're cleaning out a fuel tank, to a point. I've heard of people failing to rinse TSP from their aluminum window screens (TSP is a common detergent used when cleaning siding), and finding the phosphoric acid had corroded them pretty badly. Be sure to rinse thoroughly.

I know what you mean about the fake stuff being forced on us by the eco-weenies and others. I keep my eye on the real TSP. If I start to see it go away, I'll have to stockpile it. Already doing that with other things, like clear incandescent bulbs. If I could afford to bury my own fuel tank in the back yard, I'd consider buying a tanker of unmolested gasoline, but I don't think my neighborhood association would allow it.

Regards,
John.
1964 Sunbeam Alpine IV B9400903 converted to Tiger Mk1A spec.


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