New 350 Crate Motor Missing Head Coolant Plug?

Discussion in 'Troubleshooting & Diagnosis' started by rawb, Jul 23, 2017.

  1. rawb

    rawb New Member

    Aug 27, 2015
    Providence Village Tx
    I bought a 290 hp Chevy crate motor at the start of the year. Finally I'm getting around to putting the engine in and noticed the passenger side head has a plug in the head after the front exhaust port for coolant while the drivers side does not. My first concern is why is this not there? The engine has tape over other area's that should not be painted and there is paint in the threads. Am I going crazy or should there be a plug in both sides? I'm a little scared about what else might have been missing......

    I'm thinking about using this port to control my electric fans. Either way does anyone know the thread size? I will need throw an adapter and a temp switch in there or plug it.

  2. budro6968

    budro6968 Veteran Member

    Apr 2, 2016
    Jax Florida
    It is probably for a temp sending unit. A Pic would help.
  3. RS1979

    RS1979 Veteran Member Lifetime Gold Member

    Jun 18, 2013
    Memphis, TN
    That is for your temp sending unit. No worries
  4. larrylarry

    larrylarry Veteran Member

    Dec 22, 2011
    San Antonio Tx
    Or go to Home Depot & but a 1/8 in threaded pipe plug.
  5. rawb

    rawb New Member

    Aug 27, 2015
    Providence Village Tx
    Thanks for the input guys, it is much appreciated. I'll try to get a pict up tomorrow, my motor is in my bother's garage as my Camaro is all apart in my garage.

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