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Need advice on engines - Westerbeke 30B or Yanmar 3YM30?
We have a 1970 Columbia 36 and the old Albin 20 seized up after an oil mishap (don't ask). Given the boat's age and what we paid for her (not a lot) we're looking for a good rebuilt.
We've narrowed it down to a rebuilt Yanmar 3GM (1 yr warranty) for $5500, a 2005 Yanmar 3YM30 with 140 hours that was pulled from a boat recently (engine is supposedly fine, the owner had to "dispose of the boat"; no warranty but from very reputable marine dealer who also has the 3GM above) for $4700, or a rebuilt Westerbeke 30B (6 month warranty) for $5000. We also have a lead on a Westerbeke 21 that was recently pulled from a 1985 Frers 36 and replaced with a lighter Yanmar (the guy races) for about $1500.
Assuming the specs work for each option, and after having done some web research, we're leaning toward the Yanmar 3YM30 given the price, low hours on the motor and good reviews, and reputation of the dealer. The Westerbeke 21 is tempting given the price but it's fairly old and doesn't really give us much more power than the old Albin.
Anybody have an opinion on the Yanmar 3GM vs 3YM30 vs Westerbeke? We're starting to spin around on this -- too much information for non-mechanics ... Thanks!