Thanks for your response. The 33-2s came with a yanmar 2GM20F. Best of luck
with your repower.
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On Wed, Aug 17, 2016 at 12:57 PM, David Kaseler via
CnC-List wrote: We too have a 1975 33 with an Atomic
4. What is your hull number? We
We too have a 1975 33 with an Atomic 4. What is your hull number? We cruise at
1800 RPMs and get about 6 knots. We are in the process of replacing our engine
with a rebuilt from Moyer Marine. If you are not familiar with Moyer Marine
you should be. They are the authority on all things Atomic