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  1. #1
    Join Date
    Mar 2010
    Location
    Highlands (North of Inverness)
    Posts
    1,237

    Fuel filler cap height

    Hi Guys,

    I am concerned about the height of the fuel filler cap that I purchased from finish line. Whilst I like it, my concern is the acceptable height above the body of the opening lever above the body for IVA.
    I have made sure that all edges are 3mm radiused (might not show in the images) but am aware that there is a restriction on height.......or am I missing something?
    Also I can remove the covering cap to reveal the locking cap below which would eliminate the height situation, or would this be seen as trying to avoid the issue and will fail on some other aspect?



    Any advice would be most appreciated.

    Paul.
    Attached Images Attached Images
    Best anti speeding device - a rear view mirror with a police car in it.
    A pedestrian - someone who thought there was still a couple of gallons in the tank.
    AK Chassis and body collected 12.12.14

  2. #2
    Join Date
    Apr 2005
    Location
    Worcestershire
    Age
    44
    Posts
    2,195
    I think 50mm is your height limit. But are you sure that will open all the way without hitting the body, I thought the alignment had to be different to that?

    The 50mm is measured off the wing, not the bottom of the recess.
    Last edited by cperry; 20-10-18 at 05:09 PM.

  3. #3
    Join Date
    Dec 2013
    Location
    Newark, Notts
    Age
    69
    Posts
    1,505
    I agree with Craig. Getting the opener in the correct position takes a bit of sorting using the various gasket sizes. I moved my filler to one side a little and tightened up the cap until it was a bit further round to the right to where your photo shows. If you do not get it in the correct position, you cannot open up the cap fully and it marks the body.
    Charlie
    Joint Area Rep - East Midlands Region
    AKCharlie - ''AKA SOOTY'' - AK GEN2 - LS3 - 6.2litre - 434bhp - A dream come true
    .

  4. #4
    Join Date
    Jan 2012
    Location
    Perth
    Age
    53
    Posts
    1,678
    You might get away with rotating the cap on you existing hole positions

    We tightened the cap on the base then marked and drilled to suit

    We also used one of the mounting screws to attach the earth to underneath too

    cheers
    Kiel and Duncan (dad and the lad errr young man now)

    AHP Crendon Chassis No 1
    Ford FE 434, dual quad, Toploader total old school all the way
    https://www.crendonreplicas.com/
    http://www.absolutehorsepower.co.uk/

  5. #5
    Join Date
    Feb 2007
    Location
    West Sussex
    Posts
    8,560
    For information: I failed on this point at Gillingham using Brasscraft Aston roller rocker cap.

    Countless cars have passed with this, so its damned annoying. There are several ways in which 'the projection height' can be measured, as this is not laid down clearly in the regs. I fell foul of a less favourable interpretation.
    There are solutions out there, pm me if you need some assistance.
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

  6. #6
    Join Date
    Mar 2010
    Location
    Highlands (North of Inverness)
    Posts
    1,237
    Thanks for the replies guys.

    Charlie; I had it orientated similar to yours but the latch side stuck out way too far for my liking. I then drilled and set a stop in the hinge side to prevent the lid hitting the body by a couple of mm.
    I wasn’t aware that I needed an earth on the filler cap, but if necessary is an easy addition.

    Kev, pm sent.

    Cheers guys.
    Best anti speeding device - a rear view mirror with a police car in it.
    A pedestrian - someone who thought there was still a couple of gallons in the tank.
    AK Chassis and body collected 12.12.14

  7. #7
    Join Date
    May 2011
    Location
    Flimwell
    Posts
    777
    The filler cap must be earthed for IVA.

  8. #8
    Join Date
    Mar 2010
    Location
    Highlands (North of Inverness)
    Posts
    1,237
    To follow on with my fuel cap dilemma........I had one made for IVA purposes. I couldn’t use the normal 3.5 inch caps out there because my filler is a 4 inch one from Finish Line in the States.
    A Local engineering company made this which is tethered and vented. The radius is 4.5mm on the top edge so hopefully should now pass without issue. Once I have gone through IVA, if there is anyone else thinking of using the FinishLine filler caps, I have a solution
    8AACDDBC-8445-49F5-9CEF-732B07960639.jpeg
    Best anti speeding device - a rear view mirror with a police car in it.
    A pedestrian - someone who thought there was still a couple of gallons in the tank.
    AK Chassis and body collected 12.12.14

  9. #9
    Join Date
    Feb 2016
    Location
    Scotland
    Posts
    481
    Kevin W
    pm sent

    Jon W

  10. #10
    Join Date
    Jan 2014
    Location
    High Wycombe
    Age
    55
    Posts
    591
    Still no like button! Do you think they could/would make another one?

    Graham.
    AK gen 1 delivered 05/05/17, on the road shortly!

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