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Dry Exhaust Vs. Wet

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Old 01-03-2006, 08:11 PM
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Default Dry Exhaust Vs. Wet

What are the pro's & con's of going with dry exhaust. I am building a new boat and trying to decide.

I think I may want dry so there is no soot on transom and no exhaust mist blowing back on the boat.

Anyone's experience would be appreciated.
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Old 01-03-2006, 08:14 PM
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Default Re: Dry Exhaust Vs. Wet

"Noise laws"...that should help you make a choice...
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Old 01-03-2006, 08:55 PM
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Default Re: Dry Exhaust Vs. Wet

Noise is not a concern as I will likely add mufflers.
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Old 01-03-2006, 08:58 PM
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Default Re: Dry Exhaust Vs. Wet

If the engine is creating soot I would think it would get on the transom weather the exhaust was dry or wet.
The dry exhaust still has water spray it just doesn't get discharged untill the end of the tails.
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Old 01-03-2006, 09:18 PM
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Default Re: Dry Exhaust Vs. Wet

Quote:
Originally Posted by Tinkerer
The dry exhaust still has water spray
I have small holes in the transom as exhibited by the video and photos below....


http://www.h20htr.com/videos/neilsboat.wmv
Attached Thumbnails
Dry Exhaust Vs. Wet-mvc-002f.jpg   Dry Exhaust Vs. Wet-mvc-004f.jpg  
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Old 01-03-2006, 09:35 PM
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Default Re: Dry Exhaust Vs. Wet

That sounds NICE!
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Old 01-03-2006, 10:10 PM
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Default Re: Dry Exhaust Vs. Wet

That sounds great -
You have dumps - I did the same think with mine but I run the water so that it sprays onto the sides of my drives.
Most of the dry exhaust I have seen have the water spraying off the end of the tails.
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Old 01-04-2006, 12:06 AM
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Default Re: Dry Exhaust Vs. Wet

They say the "dry" is louder, but the advantage to a dry exhaust is you have no worries of which cam to use. No reversion issues.
that's the biggest advantage.
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Old 01-04-2006, 12:30 AM
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Default Re: Dry Exhaust Vs. Wet

Quote:
Originally Posted by Dave F
They say the "dry" is louder, but the advantage to a dry exhaust is you have no worries of which cam to use. No reversion issues.
that's the biggest advantage.
Best point made here yet. If you're planning on running S/C engines with large overlap camshafts, you'd be better to look into a dry style exhaust to prevent a reversion effect when coming sharply off the throttles during WOT conditions, airing the boat out in large swells.
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Old 01-04-2006, 01:03 AM
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Default Re: Dry Exhaust Vs. Wet

Advantages......no reversion issues. Loud as hell.

Disadvantage.....Loud as hell. Hard to bring into compliance even with mufflers. Few mufflers currently available that are compatable with dry pipes. {GGB Extremes}

All pretty well pointed out in everyones previous posts.
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