Depending on how fast she dried out, I'd imagine you'll need to give her (at very least) a top end rebuild with rings, cylinder hone, etc., new wheel bearings, and lots of elbow grease. I'd think the electrics will be your biggest problem.
Just thought of this. Was the flood fresh water or salt. If salt I'd say you'd have a likelyhood of the frame rusting from the inside out over the years.
What's "real low"? $50? $500?