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Thread: 90 obs lq9 swap

  1. #1
    Join Date
    Jul 2014
    Posts
    11

    90 obs lq9 swap

    Just a quick question as far the coolant temp and oil pressure goes, what switches are you all using and or what adapters and part numbers would be helpfull.

  2. #2
    Join Date
    Sep 2009
    Location
    NE Ohio
    Posts
    211
    I am using the 3 wire coolant temp sender/sensor from a 98 camaro with an LS1. Oil pressure is the stock LQ4.
    Been lurking since 09 and I finally have my kickass 6.0 LQ4
    LQ4 LQ9 6.0L Engine Service Manual Save to your computer in case it disappears


  3. #3
    Join Date
    Jan 2014
    Location
    Las Cruces NM
    Posts
    209
    Same here. Camaro water sender and stock LS oil sender
    97 RCSB . 2WD . 5.3 . 4l60E . E-FANS . PNP 706s . TSP 228R . 3600 STALL . HD2 . VETTE SERVO . 3.73s . 2" DROP
    TURBO IN THE WORKS

  4. #4
    Join Date
    Nov 2004
    Posts
    20
    Same here but for some reason my temp gauge is about 20 off. I had a 2 wire and a 3 wire, heated up a pot of water to 210 and tried the sensors. Hp tuners showed the 2 and 3 wire sending units both sent the same temp to the PCM, within a degree or two, so I went ahead with the 3 wire, but the gauge reads about 20 degrees cold.

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