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engine swap

The is the forum to discuss general information regarding all Carver Yachts.
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Escandell69
Scurvy Dog
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Posts: 6
Joined: April 18th, 2015, 9:49 pm
Vessel Info: 1989 Carver Montego 25

engine swap

Postby Escandell69 » April 18th, 2015, 10:38 pm

Hi there, I purchase a 1989 Montego 25 with twin 3.7 l and 250 hrs of use , what about swapping them for 3.0 without much modifications, thanks in advance. :usa:
:captain:

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Ramsport47
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Joined: February 10th, 2013, 7:13 am
Vessel Info: 1998 Carver 310 Santego
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Re: engine swap

Postby Ramsport47 » April 19th, 2015, 7:25 am

Honestly, I would not do that. The 3.0 is 135 HP and the 3.7 is 180. Also, I believe the gear ratios would be different for each engine. That being said, I don't think you'd be happy with the performance of the 3.0s in that boat, and the cost of change over is probably more than getting the one bad 3.7 rebuilt. The 3.7 is a fantastic engine...I had them in my 27 Montego, but you have to keep them tuned properly (NOT the specs that are printed on the tag on the engine...they will detonate if you do that!)
Kenny
1998 Carver 310 Santego
T-Merc 350 Mag MPI (300hp)
Port: Cedar Point Marina, Sandusky, Ohio
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Topic author
Escandell69
Scurvy Dog
Scurvy Dog
Posts: 6
Joined: April 18th, 2015, 9:49 pm
Vessel Info: 1989 Carver Montego 25

Re: engine swap

Postby Escandell69 » May 21st, 2015, 10:44 pm

Thanks Kenny, enough reasons to keep them . There's plenty of parts available anyways to the contrary of what some people say!
:captain:

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