Definitely save the money. A new engine is not going to bring up the market
value
by as much as the cost of the engine. But you knew that, are you just fishing
here?

Sort of fishing, but by the same token being about to get financially involved
in the solution of this thing doing a bit of a litmus test to make sure my
impression is accurate.

What kind of speed do you get with your Lehman? The NA Perkins has a similar HP
rating.