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  1. #1
    Join Date
    Dec 2016
    Location
    Louisville, KY
    Posts
    137

    Default '92 PCM 5.8 Pro Boss thermostat, upside down???

    Hey all - feel a bit silly asking this but I would rather sound dumb for a few than blow up my motor. Took my sticking thermostat out end of last season, I've just now gotten the new one in and ready for install. Boat is a 1992 Comp ts6m with the 5.8 Carbed Pro Boss. I've attached pictures of engine and thermostat housing as well as replacement thermostat.

    For the life of me I can not remember 1. If the lid of the housing comes off and the t-stat just sits inside and 2. If the button (opposite the pyramid side) faces down or up. Note to self: do not work on boat after consuming six pack.

    Thank you in advance.

    Zk







    '92 Comp ts6m - 5.8 PCM Pro Boss Carb
    '02 Launch SS - 5.7 Indmar Assualt TBI

  2. #2
    Join Date
    Jun 2003
    Location
    Rockford Il
    Posts
    17

    Default

    Button faces down


    Sent from my SAMSUNG-SM-G900A using Tapatalk

  3. #3
    Join Date
    Dec 2016
    Location
    Louisville, KY
    Posts
    137

    Default

    Quote Originally Posted by bears74 View Post
    Button faces down


    Sent from my SAMSUNG-SM-G900A using Tapatalk

    Thanks for the reply. Do you know if the t-stat just sits under the lid of the housing?

    Zk
    '92 Comp ts6m - 5.8 PCM Pro Boss Carb
    '02 Launch SS - 5.7 Indmar Assualt TBI

  4. #4
    Join Date
    Jul 2011
    Location
    fort worth , tx
    Posts
    1,171

    Default

    Quote Originally Posted by Zkdk3000 View Post
    Thanks for the reply. Do you know if the t-stat just sits under the lid of the housing?

    Zk
    Yep , has a lip inside for it to sit in


    Sent from my iPhone using Tapatalk
    LIFE IS TOO SHORT NOT TO BE LIVELY

  5. #5
    Join Date
    Dec 2016
    Location
    Louisville, KY
    Posts
    137

    Default

    Quote Originally Posted by lively View Post
    Yep , has a lip inside for it to sit in


    Sent from my iPhone using Tapatalk
    At this rate I'm just going to hire you as my mechanic lol. Thanks!


    Zk
    '92 Comp ts6m - 5.8 PCM Pro Boss Carb
    '02 Launch SS - 5.7 Indmar Assualt TBI

  6. #6
    Join Date
    Jul 2011
    Location
    fort worth , tx
    Posts
    1,171

    Default

    Quote Originally Posted by Zkdk3000 View Post
    At this rate I'm just going to hire you as my mechanic lol. Thanks!


    Zk
    lol it's all good man


    Sent from my iPhone using Tapatalk
    LIFE IS TOO SHORT NOT TO BE LIVELY

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