Machine man, there was about 3-4 inches of sludge in the bottom and the liquid in it was the color of strong, black coffee, and smelled like paint thinner. When I took the tank off there was that much that I got out with a transfer pump. It was amazing.
I pulled the entire fuel system except the metal return line. My plan is to put fresh 100% gas in the main supply from the pump to the motor and blow it through with compressed air until clean gas comes out the other end. I don't trust Gumout or Gunk to do that without destroying the plastic and rubber. All the other lines are getting replaced, except the metal return. I blew Gumout through it and it is clean now.
The guy I got it from told me the story. He got it from a very elderly woman's family. She had stopped driving and parked it with a tarp over it about ten years ago. Her family had a yard sale and he offered on it and they sold it to him. First thing he did when he got it home was try to start it, and he said he actually got it running for about five minutes, then it quit. What he managed to do of course was pull that sludge and varnish through the fuel system and ruin things.
Both fuel pumps worked but were full of varnish, sending unit, filter all ruined. The sending unit was nothing more than two sticks. All replaced. The injectors were completely clogged and the pintels were completely crusted. There was no practical way to even try to salvage them. The fuel rail was full of that sludge and black coffee gas. I had to disassemble everything and clean it with carb cleaner. Got new injectors and a new fuel pressure regulator. Got a used fuel tank for it that is clean, no rust, no pinholes. I'm going to have to take that old tank to hazmat.
All that I'm waiting for is the clamp that holds the filler neck on the tank and I can put it all together and see what happens.
This car has a nearly perfect interior and exterior, no rust, cam is turning, getting spark. Logically when I get the new tank on and everything put back it SHOULD run although maybe not perfectly. It is a car very much worth saving.
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