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Old 07-31-2017, 10:10 PM   #1
City: Hayden
Country: idaho
Join Date: Jul 2017
Posts: 1
permacraft motor swap

i have a 26foot permacraft trawler, it has a 50 horse perkins in it, got a great deal on a isuzud500 6 cylinder with transmission, can i pull the 50 horse and put in the 130 horse????

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Old 08-01-2017, 12:39 AM   #2
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City: Adelaide
Country: Australia
Vessel Name: Kokanee
Vessel Model: Cuddles 30 Pilot House Motor Sailer
Join Date: Jul 2012
Posts: 2,866
Whats wrong with the Perkins?

I'm fairly sure your boat has a full displacement hull, which is not designed to plane.

Putting the 150 hp Izuzu, will require a LOT of work, and you will likely get an increase in top speed of less than 0.5 knots. You will be left with less space to work on your engine. It will be noisier, use more fuel, and will not add any value to your boat.

Yes - it can be done, but there is no good reason to do it. Even if you have a free Isuzu, and your Perkins is siezed, you'd still be better off to pay market price for another Perkins.
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