37 Pontiac SilverStreak Posted August 4, 2016 Share Posted August 4, 2016 All, I am now ready to connect the new fuel line to my tank; however it needs cleaning.. what do you recommend to use; as I have read many forums about Cleaning with: Oxalid Acid (wood bleach), 90%+ Acetone, muratic acid, rust remover etc.. both petroleum and water based.. Sealing etc: Por-15, nothing... but fresh gas.. I am told, stay away from water based chemicals for flash rusting, using a chain for breaking up the rust (if any) or something to remove the "gummy old fuel residue" thank you in advance... as well, when connecting from the tank to my line, some suggest a rubber flex hose, sounds reasonable.. any suggestions on type. Link to comment Share on other sites More sharing options...
Spinneyhill Posted August 4, 2016 Share Posted August 4, 2016 Just a note about a (non std) rubber flex hose. I put a filter in the fuel line with rubber hose connections. The fuel sender stopped working. The earth was through the fuel line! Link to comment Share on other sites More sharing options...
ILIKECARS53 Posted August 4, 2016 Share Posted August 4, 2016 be careful when using the chain to break the rust free in the tank. when i did it the chain got caught on the pick-up tube in the bottom of the tank. and when i try to free it broke the pick-up tube and had to have the tank opened up to repair the tube. while the tank was open had it cleaned. Link to comment Share on other sites More sharing options...
ArticiferTom Posted August 5, 2016 Share Posted August 5, 2016 (edited) Couple gallons of Evapo-rust . Pricey but effective . Move tank around .filter when done use again on other , non toxic . Or if you can get horse feed molasses and make you own solution . Formula here if you search very good as with evapo takes about a week or more . Not only fuel pick up but may have a baffle in middle ,I say no chains or aggregate . Edited August 5, 2016 by ArticiferTom Add (see edit history) Link to comment Share on other sites More sharing options...
Friartuck Posted August 5, 2016 Share Posted August 5, 2016 Boil out at a local radiator shop if you can find one. Alternative is Electrolysis. It is cheap and takes several days with periodic cleaning of the anode. Article on Electrolysis for cleaning gas tanks Rinse with Muriatic acid. Link to comment Share on other sites More sharing options...
Matt Harwood Posted August 5, 2016 Share Posted August 5, 2016 Plenty of ways to do it yourself, but I've used Gas Tank Renu on more than a few cars and have never been disappointed with their work. It's done right the first time and comes with a lifetime guarantee. Tank doesn't quite look stock afterwords, with a satin black outer coating, but if it's hidden and not part of the design like a Model A, it doesn't matter. It's always been less than $500 to have it done, so it's not hugely expensive. Yes, it's cheaper to do it yourself with some kind of home remedy, but what is your time worth? I guarantee it won't be done as well and you may end up doing it twice. Why mess around? Link to comment Share on other sites More sharing options...
Friartuck Posted August 5, 2016 Share Posted August 5, 2016 (edited) In the past, Gas Tank Renu has refused to apply their process to tanks with baffles that they can't get to. Not a problem for 60's-70's era tanks. See photo 4 of the above article. Edited August 5, 2016 by Friartuck (see edit history) Link to comment Share on other sites More sharing options...
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