I believe that is an outdrive cooler. It cools the top of the outdrive since that part is usually out of the water most of the time.


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Re: stereo upgrade
 

That makes sense, I didn't see it on some of his earlier photos. Wonder what benefit it serves from his orginal set up. Plus is that a dolphin tale?

I would imagine it would be a great help if you do some long distances runs. I have seen a friends boat when we run his wide open for a long run and then come off plane, there is steam coming up from the outdrive. So they do get extremely hot when running hard on plane. Considering the cost of those dang outdrives, I am going to be investing in those before spring!


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Re: stereo upgrade
 

those feed water to the top of the drive for the cooler.

The right drive cooler can stop the white chalky deposit from forming on you hot sterndrive.