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914World.com _ 914World Garage _ Cleaning out fuel tank

Posted by: juliomagdaleno May 30 2013, 06:54 AM

My porsche quit on me again. This time i decided to see what was in the inside of the gas tank. The car was sitting for 8 years and started regularly. When i took out the tank, it had a large amount of rust and the filter was clogged. I took fuel tank to a radiator shop and having the tank boiled and sealed. I am debating if i should change out the fuel pump.

Posted by: dakotaewing May 30 2013, 07:21 AM

Please change your fuel lines while your at it. Especially the fuel lines in the center tunnel of the car. There is a member or 2 here that makes these from stainless or steel - that's what you'll want. Otherwise your car will eventually go "boom"...

Posted by: rhodyguy May 30 2013, 11:37 AM

that was one gross tank! the tank sock must have been collapsed like a pancake.

Posted by: Elliot Cannon May 30 2013, 12:03 PM

After the tank is clean, you need to replace ALL the fuel lines. (Especially the lines in the tunnel). You should also have a good fuel filter and a new fuel pump.

Posted by: juliomagdaleno May 31 2013, 09:12 AM

I went ahead and ordered the new lines. Yes the sock filter was really bad. Now I just sit and wait for the lines to arrive and the tank to be cleaned. They said it will boil for 10 days because of the condition it was in.

Posted by: bulitt May 31 2013, 04:53 PM

Transferring my tank from my rusty old POS to better tub and looked in the tank and much to my complete amazement the tank is brand new inside.
Even a blind dog finds a bone once in a while...

Posted by: rhodyguy Jun 1 2013, 08:06 AM

does the firm cleaning your tank test it for leaks as well? i'd be worried about a weeping pin hole.

Posted by: aircooledtechguy Jun 2 2013, 06:32 PM

After it gets cleaned, I would resin coat the inside with POR-15 tank treatment or a similar product that seals it. Then dirty fuel will be a thing if the past.