Greetings,
Mr. 717. It is my understanding that there was sufficient power but the Lehman did NOT like the ever variable RPM's it was subjected to while in over the road use.
As a stationary engine where RPM was more or less constant it was/is, as I mentioned, quite satisfactory. I do stand to be corrected but it's success in thousands of boats, potentially 10's of thousands of boats, is a pretty good testament both to it's longevity AND its successful application as a boat engine.
That being said, I don't know any Lehman owners who run theirs close to the "red line" (~2400 RPM)
Can't comment on the 3208. I know nothing about them...
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