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Old 09-20-2014, 05:47 PM   #1
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Advice on experience with Vetus water trap mufflers with a 120hp Ford Lehman

Hi all,

Following on from my previous post about engine mounts for a 120hp Lehman.

The same motor has had the water trap muffler pong box removed and seems to be straight plumbed to the transom without a water trap.

I have been shown Vetus water trap mufflers by two possible shops. I am impressed by their ability to rotate and articulated inlet outlet for ease of installation.

My questions are:

1. Has anyone any experience using these Vetus products?
2. And, if yes any recommendation/experience on size for the 120 hp Lehman?

Thanks in anticipation.

Mark G

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Old 09-20-2014, 09:13 PM   #2
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I have a 4" Vetus water trap on my 75hp turbo diesel. I put it on when I repowered a few years back. It is made of high quality resin. I've had no issues with it.

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Old 09-21-2014, 03:56 AM   #3
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Yes, I installed this two years ago,

There is a new model for 90 mm Diameter which apparently is more efficient, but is longer than my ones in length, check your space in transom lazarette.
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