Cross over kit
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I like this one http://teaguecustommarine.com/em0011...th-bypass.html, except that I'd order it with the thermostat housing to have AN fitting outlets.
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I was looking and this one it catches my eye it's made by Diamond performance # 16634 with thermostat , does anybody use the Teague or Diamond Performance crossovers ?
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If going with a thermostat outlet with AN fittings, make sure the fittings are big enough. Most mercury and aftermarket manifolds are fed with a minimum of 1 inch ID hoses. A -12an is substantially smaller, and may cause high water psi, or inadequate cooling of the exhaust/engine due to less flow. A -16 is still smaller than what mercury used
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my thermostat housing is the old style and I need a new circulation pump so I thought that I like the look of these , I have been reading a lot of people like it and a lot of people don't ( hot spots in colder heads etc ) but I had it on my old boat and didn't have a problem , what do you think?
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If going with a thermostat outlet with AN fittings, make sure the fittings are big enough. Most mercury and aftermarket manifolds are fed with a minimum of 1 inch ID hoses. A -12an is substantially smaller, and may cause high water psi, or inadequate cooling of the exhaust/engine due to less flow. A -16 is still smaller than what mercury used
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I've been contemplating doing this also but am concerned about hot spots in the back of the heads. Has anyone tapped into the rear of the heads to run a line back to the front?