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How high above the water line should your exhaust be?

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Old 09-02-2003, 11:03 AM
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Default How high above the water line should your exhaust be?
What is the min. acceptable height for the bottom of your risers to be above the water line? I am boating in the ocean and often stop and float in areas were there will be swells.

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Jon
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Old 09-02-2003, 12:03 PM
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Minimum 15 inches to the TOP of the exhaust header elbow. (This is from the HP500EFI Install Manual)
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Old 09-02-2003, 01:46 PM
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yea, thats what merc says. I am at 8" and sweat bullets everytime I have a crowd in the back of the boat. so far so good.
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Old 09-02-2003, 05:43 PM
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My regular service manual has 13 inches but was printed in 1996.
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Old 09-02-2003, 06:58 PM
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Default Re: How high above the water line should your exhaust be?
Originally posted by Audiofn
What is the min. acceptable height for the bottom of your risers to be above the water line? I am boating in the ocean and often stop and float in areas were there will be swells.

Thanks
Jon

Are the swells that big in your shop, Too Old Jr??
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Old 09-03-2003, 12:10 AM
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Default Re: Re: How high above the water line should your exhaust be?
Originally posted by cuda
Are the swells that big in your shop, Too Old Jr??
DAMN YOU!!!!! You waite tell I get down there. That sting you are feeling will be my foot in your AZZZ
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Old 09-03-2003, 01:01 AM
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you still kicking the trailer queen??? mine is even running now!!!!
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Old 09-03-2003, 01:55 AM
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hey Audiofn -
You ever get that boat over to the Madfish, or the Studio, or Wingaersheek, Brace's Cove or the Greasy Pole, or even Annisquam Market? . . . Back side of Cranes?

Just checkin. I miss the Rock (Gloucester).
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Old 09-03-2003, 08:25 AM
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Rouxsterre Ya I hit all those places. Unfortunatly this year it has been by land not sea Kind of had to put the boat on the back burner so that I could buy a house.

Jon
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Old 09-03-2003, 08:38 AM
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Jon, do you have to winterize now, or is it STILL winterized from last year??
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