Is a Merc 305 5.0 a good engine?

tractoman

Petty Officer 1st Class
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Jul 16, 2009
Messages
370
I am looking at a 1990 RInker with the above listed engine. I will check compression and run it but generally are these decent engines? It's got about 300 hours on it.
Thanks
 

jakebrake

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Sep 22, 2008
Messages
286
Re: Is a Merc 305 5.0 a good engine?

short, sweet and to the point?....yup.
 

gadget73

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Jun 20, 2009
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Re: Is a Merc 305 5.0 a good engine?

Its a smaller displacement 350. Nothing wrong with them, almost entirely the same parts as a 350 and they are just as durable.
 

gshldon

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Apr 30, 2009
Messages
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Re: Is a Merc 305 5.0 a good engine?

Hello

Just to let you know i bought a 1979 larson with the same motor in it, and with regular maintenance and all of the normal up keep of the motor, it has been a great motor and still runs very strong for being 30 yrs old.

I have been very happy with the motor so far.

Good luck in your search

and happy boating
 

Bondo

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Joined
Apr 17, 2002
Messages
71,090
Re: Is a Merc 305 5.0 a good engine?

Ayuh,... It's a SBC,... The Only thing Better is,.. A Bigger SBC....
 

tractoman

Petty Officer 1st Class
Joined
Jul 16, 2009
Messages
370
Re: Is a Merc 305 5.0 a good engine?

What kind of compression should I be looking for on one of these? I know the 10-15% rule.
 
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