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Hm..
On a salvage yard engine, it could be tight from sitting. I have seen that before. In fact, it isn't unusual. Pull the plugs.
Put a bar on it and turn it. After a few rotations it should loosen up considerably.
It might not hurt to give a quick shot of spray lube to the inside of the cylinders via the spark plug holes. Something like fogging oil that vaporizes easily, is a good choice. Then rotate around for a while.
Also, while the manifolds are off, you can shoot each valve stem with good ole PB Blaster and that helps immensely. Other than that, it shoudl be fine. The B230F can sit for quite a long tiem (as can many engines) without much attention. Usually they remain good for a long time. But there is that rare problem where they're not good.
If it loosens up well, it's probably that it had a tiny bit of surface corrosion in the cylinders (not very unusual in damp climates especially) and the rest of it was just tight. If the thing was running when it came in, there's not much reason why it shouldn't run now, unless it sat underwater. Then all bets are off.
If it ends up loosening up, open the valve cover and lube the camshaft with engine assembly grease. Don't undo the bearings unless (obviously) you do it in order.
Then it should be OK to go, with fresh oil. Change after the first 1000 or so miles if the engine has been sitting for a long time. Then back to normal intervals.
Opinions on this may differ. I've had good luck following these guidelines when storing a lot of marine engines, and also a lot of automotive ones. Marine engines are a good guideline because they live in much tougher conditions.
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Chris Herbst, near Chicago.
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