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Thread: [SOLVED] What type of rad filler neck is this?

  1. #1
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    Jun 2013
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    QC, Canada
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    [SOLVED] What type of rad filler neck is this?

    I have Mike Everson's hard coolant lines with the rad inlet on the top right (passenger's side).

    There is that plastic black fill cap overflow coupler with 13240 written upside down.

    Does anyone know what type it is? American? European? Japanese?

    All I know is that that Behr cap fits.

    I'm trying to change the cap as it opens around 22psi (150kpa) and let's a lot of coolant flow into the rad's overflow tank, so the coolant that is in my VW overflow tank located higher is flowing there. If I open up the cap, it will spill cuz there is coolant at a higher level (my engine head sits quite higher too).

    I'm trying to know the hole size, probably around 1.5", and what type that coupler is. People selling fill caps often don't know their size, they just know "fits Japanese", "fits American"...

    Mike himself doesn't know the size.


    2017-08-12 13.46.51.jpg
    Last edited by Frank818; 08-25-2017 at 06:43 PM.
    Frank
    818 chassis #181 powered by a '93 VW VR6 GT3582R ~400whp/wtq+
    Go-karted Aug 5, 2016 - Then May 19+21, 2017
    Tracked May 27/July 26, 2017

    Bulid time, including registration 3283.5h in 148 work week time and 3.5 years elapsed

  2. #2
    Senior Member
    Join Date
    Jun 2013
    Location
    QC, Canada
    Posts
    5,091
    Ok the filler neck is American type, so normally the Moroso caps should fit in there. The whole list of them are available at Summit and ebay.
    Frank
    818 chassis #181 powered by a '93 VW VR6 GT3582R ~400whp/wtq+
    Go-karted Aug 5, 2016 - Then May 19+21, 2017
    Tracked May 27/July 26, 2017

    Bulid time, including registration 3283.5h in 148 work week time and 3.5 years elapsed

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