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  1. #1
    nps9981's Avatar
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    96 XP Reverse Cooling

    I see the term 'reverse cooling' thrown around a lot. Is it possible to plumb a stock head to be reverse cooled?


  2. #2
    96XPSS's Avatar
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    Yes, in through the barb facing the pipe. Loop the rear together. Out the pipe. This runs water accross the domes first, then down around the cylinders, out through the exhaust manifold and then the pipe.
    Last edited by 96XPSS; 07-19-2009 at 11:57 AM.

  3. #3
    redemn93's Avatar
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    what advantages would that bring? sounds like it would act like a "cold air induction" keeping the air cooler (as a result of a cumbustion chamber?) going into the cylinders.

  4. #4
    "Tearing it up on the water" seadoobutch787's Avatar
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    I was told that you just switch the 2 lines in the rear and leave the front hose going to the pipe. I have this setup on my 96xp and it runs the pipe hotter. A hot pipe is a fast pipe well with a spec 2 it is. I have run this for about 3 months. TCR told me to run it this way.

  5. #5
    96XPSS's Avatar
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    Quote Originally Posted by seadoobutch787 View Post
    I was told that you just switch the 2 lines in the rear and leave the front hose going to the pipe. I have this setup on my 96xp and it runs the pipe hotter. A hot pipe is a fast pipe well with a spec 2 it is. I have run this for about 3 months. TCR told me to run it this way.
    Your method runs water in and down the cylinders, out the exhaust manifold, up through the pipe, and out through/accross the domes. So your hottest water is on the domes. Not a very smart idea.

    Mine is keeping the coldest water accross the domes, then around the cylinders. The pipe gets the hottest water.

    The purpose for reverse cooling is the engine always makes it's highest max rpm pass the first cold run. Then, the engine gets heat saturated, and drops 50-70 rpms, and never runs as fast as the first pass. My method prevents any max rpm loss.

    This is for piped setups guys, there is absolutely no need to do this on a stock piped ski.

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