There has been some areas of flooding for sure. I doubt it's been dunked, but checking the other fluids isn't a bad idea....
Very good thought on the PVC system. Supposed to be new (remanufactured) engine, just a few thousand miles on it. He has the PVC system hooked in with the brake booster and another vacuum hose - all in "T" from the back of the carb.
The table makes everything better .. LOL. It is a fresh engine, the previous owner bought it from Triton out of Florida. And yes, the coolant looks great.