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Projects Gas tank, 1950 3100

Discussion in 'The Hokey Ass Message Board' started by Matt50, Aug 1, 2017.

  1. Matt50
    Joined: Jun 19, 2017
    Posts: 17


    Hi guys I need some advice. I got a 1950 Chevy 3100. I'm getting ready to drop a 350 cu in with a th350 trans. Original gas tank is still in place and I think I'd like to keep it.

    Took sending unit out. Which was pretty rusted. Expected tank to be just as bad but it actually looked pretty good. Some light rust but mostly a black flakey coating. For lack of a better word it looked like flaking black paint and looked like clean metal under that.

    I've read so many different cleaning and dealing methods I thought I'd ask what was best. Vinager? Paint thinner? Sand or nuts and bolts rolling around inside?

    To seal or not too. Is it necessary to coat inside with a sealer or recommended? Local parts place has a red something or other.

    Should I keep with gravity red fuel style or plug it somehow and get a later model sending unit with the top gas line?

    Thanks guys.
    Last edited: Aug 2, 2017
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 42,754


    I would consider buying a new tank, because it is difficult to get an old tank clean, and even more difficult to "seal" it and have the sealer stick forever. Try some of the methods you suggested, see if you can get it clean. If not, then get a new tank.

    I would also use the later style sender with the top fuel pickup.
  3. ...put a 68-72 Nova tank, or67-9 Camero tank under the frame behind the rearend, new ones and senders are reasonable, get more room in cab too.

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