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  1. #1
    Join Date
    Oct 2020
    Location
    Kent
    Posts
    37

    IVA Compliant Fuel Cap

    Hi all,

    I am looking for a IVA compliant fuel cap for my mk3.

    I have one that's not compliant, have anyone got a suggestion for one that is correct for the IVA?

    Cheers
    Aaron

  2. #2
    Join Date
    Dec 2013
    Location
    Flackwell Heath
    Posts
    109
    Hi Aaron, Brasscraft should be able to supply one.

    Mark
    AK gen2 ls3

  3. #3
    Join Date
    Feb 2008
    Location
    plymouth
    Age
    58
    Posts
    194
    You can also look at car builder solutions.
    Life is to short so just do it, otherwise you may live to regret it.


    DAX TOJEIRO DE DION
    chevy 383 stroker 6.2 LTR 45O HP

  4. #4
    Join Date
    May 2004
    Location
    Cowbridge, United Kingdom
    Age
    63
    Posts
    10,382
    Kev Davies
    South Wales Area Rep. UKCC Membership Secretary
    DAX Mk4, 383 Chevy Stroker, Tremec. SOLD
    Contemporary CCX 3-4028, 445ci Big Block FORD FE,TKO 600, Old School IVA'd and SOLD
    Dax De Dion LS2 and T56 IVA'd June '17 SOLD
    1965 Ford Mustang 289 Convertible SOLD
    In build- Hawk 289 Sebring Awaiting IVA

  5. #5
    Join Date
    Feb 2020
    Location
    Surrey
    Posts
    32
    The Car Builder version of the aero cap worked for me at IVA (vented type) - just remember to fit a short length of wire to the cap to prevent it from getting lost (IVA Manual 03A - The fuel filler cap must either be tethered to the vehicle or be of a lockable type where the key can only be removed when the cap is locked or an automatically opening and closing, non-removable fuel filler cap.) I also ran an earth wire from the cap fixed part to the chassis 'just in case' to bypass the rubber hose and plastic body shell. All metal fuel tanks must have an earth path to prevent the build up of static electricity.

  6. #6
    Join Date
    Apr 2016
    Location
    Cambridge
    Posts
    219
    Was this your permanent solution Rudolph?

    I'm in the same predicament but want to end up with an Aston style cap. It appears there is no way of getting a MK3 through IVA with one fitted due to either radius or projection above the body. The Brasscraft one is VFM i'm sure as looks really good quality but i'm after something a little less pricey. Pilgrim can send you out a temporary cap if you go with their Aston cap which (if the image on their website is accurate) looks to be the same as the on on the CBS website https://www.carbuilder.com/uk/chromed-brass-aston-cap which is worrying as it appears to be unvented? I always resent buying direct from Pilgrim a little as i know you can probably get the same products cheaper elsewhere.

    There are some nicer alternative options on CBS but im not sure id be able to find a temporary screw on cap for them.
    Thanks,

    Grumbleweed

    If you're not meant to eat animals, how come they're made of meat!?

  7. #7
    Join Date
    Aug 2015
    Location
    wakefield
    Posts
    77
    I’m in the same boat with a mrk3 Sumo, was going to order one from Pilgrim but if it won’t go through the IVA with it what’s the point. What’s the issue with the Pilgrim one, does it have to lock with a key now, if so how will an Aston type one work? Confused!!!

  8. #8
    Join Date
    Apr 2016
    Location
    Cambridge
    Posts
    219
    IF the Pilgrim one is the same as the one from CBS as above then it wont pass the radius test, not sure about being under the 50mm projection from the body? It also wont be vented which it needs to be (although you may be able to get round this by drilling a small vent hole). Not sure if the Pilgrim one comes with locking insert? Probably need a bit more confirmation from Pilgrim on their offering.

    Im considering this one from CBS, may need a little more rounding off in a couple of places to get through the radius test but it is close (it is solid aluminium so you can work on it). It also is not vented but apparently you can drill a hole. https://www.carbuilder.com/uk/aston-...locking-insert
    Thanks,

    Grumbleweed

    If you're not meant to eat animals, how come they're made of meat!?

  9. #9
    Join Date
    Apr 2016
    Location
    Cambridge
    Posts
    219
    r.e locking, IVA manual states: 'The fuel filler cap must either be tethered to the vehicle or be of a lockabletype where the key can only be removed when the cap is locked or anautomatically opening and closing, non-removable fuel filler cap''

    Not sure if they class the actual hinged Aston top as the cap or the lockable insert. The actual Aston cap is obviously 'tethered' to the vehicle, I believe most lockable inserts 'trap' the key when unlocked?
    Thanks,

    Grumbleweed

    If you're not meant to eat animals, how come they're made of meat!?

  10. #10
    Join Date
    Feb 2011
    Location
    Northampton
    Age
    43
    Posts
    4,924
    It would be interesting to hear from those who've been through IVA recently on that point - mostly on the locking insert point; like yours (I imagine) the key won't come out unless the insert is locked back in.. I don't have the aston cap on at the moment as I didn't want to fail due to radius/projection, so I have the 'screw on' lid that fits the same base; that, I've tethered to the assembly via what appears to be a sink plug chain.. (This guy: https://www.carbuilder.com/uk/3-12-b...ap-with-tether)
    My DeDion build diary..
    Hon Sec of the Digidash branch of the Unpopular Kit Car Design club

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