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Old 10-24-2013, 04:28 PM
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blackhawk blackhawk is offline
MC Devotee
Join Date: Jul 2013
Boat: 2006 X15 350 MCX
Location: Virginia
Posts: 1,101
Originally Posted by bochnak View Post
Aren't the exhaust risers higher than t-stat opening? If so, RV will never make it out the back.
I agree with bochnak. In the picture that j.mccreight posted, those two connections on the top of the thermostat housing most likely are what feed the exhaust manifolds with water. At least that is how my MCX is setup.

I don't take off my thermostat housing. I just take off the large hose from the engine water pump and pour AF in there. On my MCX, after about 2.75 gallons, the AF started coming out of the thermostat fitting where I pulled off the hose. I don't understand why you need to take off the thermostat housing.
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