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3.7l to 4.3l converstion, Montego 2757

GAS engine, transmission and generator repair and maintenance discussion forum.
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Scurvy Dog
Scurvy Dog
Posts: 1
Joined: September 12th, 2013, 9:06 am
Vessel Info: 1989 Montego 2750. We love the boat and have had it for nearly 20 years. We are contemplating installing our third set of engines but converting to 4.3 Vortecs.

3.7l to 4.3l converstion, Montego 2757

Postby hilarry » September 12th, 2013, 9:37 am

Hi, I'm new to the forum. We have had our Montego for nearly 20 years and run a lot of hours/year. We replaced the original 3.7's with Jasper remans and they now have 400 hours. We can't keep the boat on the water due to a variety of problems that are all engine related. Want to convert to 4.3l Vortecs. From a reliability perspective I'm looking at a 4.3l, 4 barrel carb Mercruiser reman from Michigan Mortorz (3 year warranty). This will be about a 15k conversion unless I could find relatively new, low hour used engines. If anyone has advise, knows of used engines or any other input I would appreciate. Thanks.

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