Fuel tank treatments

FNQ1000 said:
Hi
Thanks everyone for the excellent feedback, much appreciated. I have certainty taken note of the preparation advice.

Cheers
Jason
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Hi Jason,

lots of good advice already given on here regarding liners etc...but,....is your tank rusty to the point that it actually needs one? or are we talking internal surface rust that can be treated with a rust remover? or one of the alternative processes ie using an electrical current and conductor.

Having only ever used the rinse and soak method before on a couple of my tanks i can only really comment on how that has worked for me in the past, but hopefully it will keep the need to fit a liner well away.

good luck with yours  (bigthumb)

Steve

 
If it's fully cronic, badly flaking and blocking the carbs, to me its time to cut your losses and pickle the tank back to bare metal inside and out and go the whole hog. Goodbye paint and start again. That's a judgement call, but you can stuff around for ages dealing with this.Been there with a Triumph tank.
 
I used powder Oxalic acid.
It isn't a highly hazardous material and at last check you could safely dispose of it down the drain without harming any wildlife.
So mix it with water and put the solution in the tank and a handful of nuts and bolts and jiggle it around as you like.
I kept mine in the kitchen for a week in my bachelor days and every time I had a cuppa I gave the tank a bit of agitation, changing the solution each day for the week.
A good rinse with warm water and dried it out.
Then I bought some Kurust from Halfords and treated the inside of the tank with that swishing it around in there for a day ..same tea time ritual.
Rinse out with water ..then a cup of methylated spirits..
Then a litre of petrol..
Never had a problem again with that 1975 BMW tank.
Joe
 
jotajoe said:
I used powder Oxalic acid.
It isn't a highly hazardous material and at last check you could safely dispose of it down the drain without harming any wildlife.
So mix it with water and put the solution in the tank and a handful of nuts and bolts and jiggle it around as you like.
I kept mine in the kitchen for a week in my bachelor days and every time I had a cuppa I gave the tank a bit of agitation, changing the solution each day for the week.
A good rinse with warm water and dried it out.
Then I bought some Kurust from Halfords and treated the inside of the tank with that swishing it around in there for a day ..same tea time ritual.
Rinse out with water ..then a cup of methylated spirits..
Then a litre of petrol..

Never had a problem again with that 1975 BMW tank.
Joe
Click to expand...

Same for me but without the nuts,bolts and Kurust treatment,.....its the best that i have come across yet.
 
Jim, whats the trade name for the flexible aircraft grade tank seal you are referring to? I have to say the Caswell stuff looks pretty durable when you see it, but its brittle in the end and not going to be able to hold up against a dent IMO.
 
angonemoto said:
Jim, whats the trade name for the flexible aircraft grade tank seal you are referring to? I have to say the Caswell stuff looks pretty durable when you see it, but its brittle in the end and not going to be able to hold up against a dent IMO.
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If you don't run stop signs it reduces the risk of denting the tank  :LOL:
 
angonemoto said:
Jim, whats the trade name for the flexible aircraft grade tank seal you are referring to? I have to say the Caswell stuff looks pretty durable when you see it, but its brittle in the end and not going to be able to hold up against a dent IMO.
Click to expand...

I have used this one most often as I can get a jar from local shop at airport.

http://www.aircraftspruce.com/catalog/appages/bunan.php

I've heard good things about this one.

http://www.aircraftspruce.com/catalog/appages/gastanksealer.php

I have used this one on a plastic fuel tank but I don't know what it would be like on metal. It leaves a rubber-like lining.

http://www.aircraftspruce.com/pages/ap/fuel_tanksealants/al13063.php
 
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