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  1. #1
    Join Date
    Nov 2020
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    Brighton
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    vented or unvented?

    Evening All, I want to buy a lockable fuel cap insert for my Aston filler, should it be vented or unvented?
    Dax Tojeiro 393W

  2. #2
    Join Date
    Jun 2004
    Location
    Northampton
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    1,980
    Quote Originally Posted by badhorse View Post
    Evening All, I want to buy a lockable fuel cap insert for my Aston filler, should it be vented or unvented?
    Dax Tojeiro 393W
    I think that depends if you have a separate vent or over-flow in the fuel filler neck. You just need to avoid producing a vacuum in the fuel tank.
    Dek

  3. #3
    Join Date
    Aug 2007
    Location
    Bournemouth
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    652
    I would say vented, just in case.
    David.

    Life is driving the Cobra. The rest of the time is just waiting................till I fix it!

    Wessex region caretaker rep.

  4. #4
    Join Date
    May 2004
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    Cowbridge, United Kingdom
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    63
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    10,347
    I recommend vented.
    Kev Davies
    South Wales Area Rep. UKCC Membership Secretary
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