Any one known any good chemicals to clean rust from inside the tank. The rust is killing my pump to quickly.
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Rusty tank
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I have seen stuff that coats in the inside with a plastic coating, you basically poor it in and shake it all about. Commonly used for older classic cars.
Do not try and weld a fuel tank, even if you know what you are doing, it will not end well.91CQ20v - Gone to a new home
93UR-S4 - The Magic Carpet
94S2Bus - The Emerald Express
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Originally posted by mcandmar View PostI have seen stuff that coats in the inside with a plastic coating, you basically poor it in and shake it all about. Commonly used for older classic cars.
Do not try and weld a fuel tank, even if you know what you are doing, it will not end well.
If you remove the tank you could get it chemically dipped which would strip it back to bare metal, but I think it would be cheaper to find a good used tanksigpic
1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racer
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from a very well experience tank issue person.
cut the top off.
if its an s2 tank wth drop in pump clean the taqnk out and replace the strainer on the bottom of the pump basket. access into these is easy through the pump fitting hole
if its a gravity fed tank like in the b3 quattro cur the TOP off the tanks. cut the t bag off the end of the feed pipe and use an inline gas filter, pre-pump.
cutting the bottom off the tank makes it almost impossible to seal as the tank is so thin. you can weld it loads of times, use tank sealer etc and a few weeks later itll leak you juice into the boot. fibre glass helps at this point.
the amount of crud i got out of the 26 yr old tank would not have sealed up with sealer and the real blockage was the t-bag strainer on the feed from tank.
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