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Old 02-24-2015, 02:48 PM   #41
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A turbo will add power to a small engine , so it can make more power like a bigger engine.

If your boat is a Sport Fish , usually run on the pin and you need a few extra K its a fine idea.

Most cruisers are way back on power consumption , traveling at displacement speeds , most engines are far too large , not too small.

All the bucks on a turbo, inter cooler and the added maint go to waste when the cruise RPM is so low the turbo produces no boost , its just a fancy plug in the exhaust.
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Old 02-24-2015, 03:02 PM   #42
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If engines are far too large, then yes, unnecessary. But also no harm in it being there. Many if not most modern engines come from the factory with turbos, so you are stuck with what is available.

My boat, like many others on here, is "dual purpose", capable of running well past hull speed, but also capable of good efficiency at trawler or hull speed. The turbo is a necessary part of being able to do that.
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Old 02-24-2015, 04:40 PM   #43
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My turbo boosts at normal cruise speed of around 8kts. Not full boost, but it's definitely working.
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Old 02-24-2015, 05:30 PM   #44
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Quote:
Originally Posted by Capt Nemo View Post
OK, Gotta ask. There are a few NO TURBO guys here Please tell my why.

After many years as a mechanic a turbo is a method to squeeze more power from a engine, it's also a failure point and expensive to repair. At the RPMs I normally cruise a turbo wouldn't be doing much to add power or economy to the engine and I wanted a diesel boat without a turbo. Basically a turbo to me wasn't worth the work and cost to repair if they grenade.
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