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Thread: ADM AE86 Fuel tank outlets

  1. #1
    Member ONCE-NA's Avatar
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    Rod
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    Default ADM AE86 Fuel tank outlets

    Just wanna know which lines are which on the tank as i'm hooking up a surge tank etc. I don't want to have to take it out to figure it out.
    I'm sure somome on here can tell me straight away, sercing hasn't helped me as yet...

    thanks
    -Rod

  2. #2
    Veteran Nikkojoe's Avatar
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    adm has 2x6mm and 1x4mm line

    6mm Vent
    6mm Feed
    4mm Return

    Find out which line is the vent then you know which is the feed. If its still mounted in the original car with all the lines hooked up, just get under it and trace it back. If not, get a lift pump connected to one of the 6mm pipes. If it doesn't get fuel out in a few seconds, its a vent.

    Also, try googling images of "ae86 fuel tank", a lot of pics come up with things to help you
    Last edited by Nikkojoe; 24th August 2010 at 05:01 PM.
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  3. #3
    Member ONCE-NA's Avatar
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    I could probably use the the 4mm line for the vent instead yeah?
    and the 6mm vent line for the return? as its a better size for that

  4. #4
    Senior Member Oly AE86's Avatar
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    Yes, I have used the 6mm Line as return. Depending on your fuel pump flow rate, with the 4mm line I was getting high fuel pressure because it could not flow enough back to the tank.

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