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Old 10-19-2012
Chefuno
 
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Re-powering question???

Re powering question...Can any one suggest a budget minded replacement motor to replace an old Volvo Penta MB10A in 1974 Grampian 30. New diesels seem to be out my price range. Rebuilt is an option so are new or rebuilt gasoline engine. The motor that's in the boat will probably run, I just don't want to rely on a 37 year old motor. Thanks in advance.
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Old 10-19-2012
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Re: Re-powering question???

In gasoline you only have and Atomic 4 which i own and like BUT i cant see going form diesel to gas as making much sense ?


In diesel we have had a BETA in my friends boat for over 10 years as he was one of the early USA users and it is a very nice unit

The ONLY issue i have really seen with older units is if there Saltwater cooled at some point the block reaches a fatal level of rust and Volvo parts do have a gold plated price
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Old 10-19-2012
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Re: Re-powering question???

Replacing engines with other models will entail some tweaking. Probably differing props, angles , mounts, tyrannies etc. not just an easy swap. I am not a fan of volvox because of parts and availability.

How many hours on current engine. It may pay to have it removed and major rebuilt than repower. Diesels get 10,000 hrs easily if taken care of. Our 3GMF Yanmar has 3000 hrs and is 30 years old and purrs along fine.

Dave
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Old 10-19-2012
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Re: Re-powering question???

I'd get the current motor evaluated by a mechanic before tossing it out. My Yanmar 1GM is 31 years old and it runs strong.
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Old 10-19-2012
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Re: Re-powering question???

the cost and hassle to repower would be much more then the overhaul of the penta. the engine has lasted 37 years so far and if it was rebuilt it should last another 37. I doubt there is anything wrong with the engine if it runs. takes a lot to kill that engine. it is the accessories like alternator and injection, exhaust elbow that will cause most problems. changing to gasoline would not make since and there would be an added cost of the safety blowers and equipment. it will also lower the resale value
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Old 10-19-2012
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Lets assume that the motor is fine for now. I understand that Volvo no longer supports this MB10A (gasoline) engine. Are parts available for a rebuild?? Kits??aftermarket??
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Old 10-19-2012
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Re: Re-powering question???

Quote:
Originally Posted by chef2sail View Post
Replacing engines with other models will entail some tweaking. Probably differing tyrannies Dave
Now THERE is a wonderfully Freudian typo. A different engine will definitely be tyrannical in different ways.
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Re: Re-powering question???

Ah, it's a gas engine.

Anyway, I'm sure parts are available even if that particular model is not still made. Just google your particular model number and I'm sure some info will come up.

Not sure what your needs are, but some people on a tight budget pull the inboard and hang an outboard off the back. Not ideal, but it'll get you in and out of the dock or mooring if that's all you need to do.
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Re: Re-powering question???

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Originally Posted by caberg View Post
Not sure what your needs are, but some people on a tight budget pull the inboard and hang an outboard off the back.
Although there are those in the sailing community that would probably look down their noses on this approach, there's some real wisdom in that statement.
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Re: Re-powering question???

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Originally Posted by misfits View Post
Although there are those in the sailing community that would probably look down their noses on this approach, there's some real wisdom in that statement.
Of course!

I have to admit that I'd hate to lose my inboard and go with an outboard, but if it meant getting on the water vs. not getting the water, then it's a pretty simple decision.
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