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  #1  
Old 06-23-2013, 07:40 PM
FishStretcher FishStretcher is offline
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Location: Greater Boston
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Default mercruiser raw water disribution housing bypass

So I have a '02 Mercruiser 350 Mag Horizon MPI. It has the heat exchanger cooling system (closed cooling) and a bravo 3. I was going to sea trial it today, but the water distribution had a fast dripping leak. I had tried with the air pump to reseat the valve in there. No joy.

My mechanic friend says that it is basically a $200 elbow fitting that makes it easier to drain the boat in winter. Which is pretty much what it looks like to me. So it is two hoses, four clamps and an unreliable expensive housing below sea level. Seems like replacing it with a hose would be a plus all around.

This is all very important because:
A- I go on vacation soon
B- Sinking is bad
C- Bigshrimpin wants my performance #s

Any thoughts?

Also, this thing seemed to warm up to 160F pretty quickly. I hope that isn't an indicator of something else.
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  #2  
Old 06-30-2013, 10:09 PM
Bigshrimpin Bigshrimpin is offline
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Fish . . . I'm dying to see those numbers

Picked up a volvo 290 drive and a closed cooled 350 last week.
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  #3  
Old 07-01-2013, 10:53 AM
FishStretcher FishStretcher is offline
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You will have to wait a month... I am on wrenching hiatus in July. Previous owner alluded to over 40MPH. With 22" props and a 2.2 reduction, that seems just possible.
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  #4  
Old 07-01-2013, 05:05 PM
Blue_Heron Blue_Heron is offline
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Quote:
Originally Posted by FishStretcher View Post
Previous owner alluded to over 40MPH.
I'm not surprised. I can easily top 40mph lightly loaded with my 350 Mag MPI and a Bravo 1. Best cruise is around 30-32mph.
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