Quote:
Originally Posted by Surfnski
Anybody use these to plump the scuppers out the back through the transom?
Thinking about trying this to eliminate the through the deck scuppers. Anybody try this with success? Looks like I could gain an inch if I fill in the pocket even with the gutters. Pics to follow.
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I am debating the exact same thing now for my 23 rebuild. I purchased a set of the Gemlux thruhulls with the duckbill inserts for my boat. I was going to install them but noticed that I would have to mount them almost below the water line, in-order to get them to work at my stock floor height. The problem is the 14 degree transom angle, You have to mount the thruhull lower in order to insure the barbed tail is level with the floor height. I was not sure how effective they were going to be with keeping water out and started looking at other options. Also make sure to check for trim tab clearance.
I attached a picture of a diagram someone else draw to help explain. I purchased the longer 4.5in model. Looking back the shorter 2.5in model would have been better to help keep the fitting higher above the water. The barbed tail end has to be floor level for it to drain properly.