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Thread: Madman ems oil pressure T piece

  1. 1st November 2015, 04:25 PM #1
    defdef130
    defdef130 is offline Member
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    Madman ems oil pressure T piece

    Can anyone who has fitted one of these up had the problem illustrated below. Original pressure switch is parallel thread while supplied adaptor has tapered in both ports. Vdo pressure sender is also tapered male thread. Everything else is installed nicely but not keen on the seal between parallel and tapered fittings. ImageUploadedByTapatalk1446359100.922477.jpg
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  2. 2nd November 2015, 09:29 AM #2
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    jwb
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    I had the same problem. LR in their wisdom produced both parallel and tapered type pressure senders. A tapered thread WILL leak in the parallel thread.


    You need to go to this link.


    Adaptors for Speco Meter Automotive Gauges from Speco Thomas

    ELECTRIC OIL PRESSURE
    T-PIECES (BRASS)
    547-60:
    1/8" NPT (A) x 1/8" NPT (
    x 1/8" NPT (C)
    547-61:
    1/4" NPT (A) x 1/4" NPT (
    x 1/8" NPT (C)
    547-62:
    1/8" BSP (A) x 1/8" BSP (
    x 1/8" NPT (C)
    547-63
    (for Commodores):
    5/8" UNF x 5/8" UNF
    x 1/8" NPT


    you want part 547-62, I ordered through Burson. You will need the right washers as well - bonded seal also called a dowty washer.




    cheers
    _________________________
    1996 D1 V8 - gone
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  3. 2nd November 2015, 04:50 PM #3
    defdef130
    defdef130 is offline Member
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    Thanks mate.
    Going to try and get a hose made up to move it away from that area as well.
    Bit too close to the exhaust for my liking.
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