Thermostat kit
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Thermostat kit

  1. #1
    Off Road Badass Bonzen's Avatar
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    Default Thermostat kit

    Who's running this setup or this exact kit? Any cons to it? anything else you need besides whats in the kit? I was thinking out getting this to help get my temps up for better combustion and less carbon buildup. Right now my average temp when running WOT is 110 and idling is around 130-145. Open cooling system with a gate valve that I always run wide open - worried about hot spots forming in the heads/exhaust so I never close it off. Only disclaimer it says "not recommended for sandy environments" lol.
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    "I'd love to help you out wags, but there is larger issue concerning breast cup sizes on another thread that we have to work thru first. This subject suddenly became a non issue." - GN7

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  3. #2
    Off Road Badass Bonzen's Avatar
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    Pic of my motor/hose layout.
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    "I'd love to help you out wags, but there is larger issue concerning breast cup sizes on another thread that we have to work thru first. This subject suddenly became a non issue." - GN7

  4. #3
    Senior Member Bubbletop409's Avatar
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    I have that thermostat setup on my Cole, two years now with zero issues. I installed it for the same reason, large Magnaflow water pump just cooling the engine, water temp never made the gauge move, and oil temp was only 170. Now I average 140 water temp and 200 oil temp. I do a lot of boating in the SF bay area delta, which has a small amount of silt with no issues. In an area with a large amount of sand I would think you should be running a sea strainer, regardless of how you are cooling the engine.
    Larry

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  6. #4
    Senior Member 78Southwind's Avatar
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    I have a used one if you're interested let me know.

  7. #5
    Senior Member BGMAN's Avatar
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    Quote Originally Posted by Bonzen View Post
    Pic of my motor/hose layout.
    Not bashing, but I'd consider upgrading that Home Depot water hose to something a little more rugged.

  8. #6
    Off Road Badass Bonzen's Avatar
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    Quote Originally Posted by BGMAN View Post
    Not bashing, but I'd consider upgrading that Home Depot water hose to something a little more rugged.
    Haha I knew someone was going to say something. I have ran it for 3 seasons with no issues. I change it out with new hose every season though. It's rated to 175 degrees and 250 psi but if I end up with a T-stat kit that raises my water temp I will go back to heater hose just for good measure.

  9. #7
    southwindsforsure justsquirtin's Avatar
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    use that setup on my 460 8yrs now no issues

  10. #8
    Senior Member 78Southwind's Avatar
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    I wasn't able to find the spring. I would like $50 plus shipping.
    Last edited by 78Southwind; 05-18-2016 at 08:24 PM.

  11. #9
    Super Moderator HammerDown's Avatar
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    Thumbs up

    I've been running the Rex Marine thermostat bypass system since the mid 90's with absolutely zero issues and I highly recommenced it.
    However, how my system is plumbed I have the one line into the block and two dumps out...water psi never exceeds 11 psi. Never over pressurizing the block, zero fear of damage to head gaskets, good flow through the heads to prevent hot steam pockets and oil temp stays hot enough to burn off any moisture and that's important!
    <img src=http://www.performanceboats.com/gallery/data/500/medium/06-30-11_1234.jpg border=0 alt= />

  12. #10
    Senior Member APOLLO's Avatar
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    Hammer, can you post a pic or drawing on how you plumbed it please? I think I see what you did. Thanks Troy

  13. #11
    Off Road Badass Bonzen's Avatar
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    Thanks for the info guys, I'll probably go with that kit & probably pick up the used one from 78southwind. I'm chasing a really weird fuel pressure drop issue right now at about 3/4 throttle so I want to figure that out before I change any variables.
    Last edited by Bonzen; 05-24-2016 at 09:52 AM.
    "I'd love to help you out wags, but there is larger issue concerning breast cup sizes on another thread that we have to work thru first. This subject suddenly became a non issue." - GN7

  14. #12
    Senior Member Bill Oxidean's Avatar
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    Not sure if this helps, but this is how mine is plummed up..
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  15. #13
    Off Road Badass Bonzen's Avatar
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    Great lookin motor
    "I'd love to help you out wags, but there is larger issue concerning breast cup sizes on another thread that we have to work thru first. This subject suddenly became a non issue." - GN7

  16. #14
    Senior Member Trigger's Avatar
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