Sounds pretty good to me...post some pics!
Did you check the usual stuff? Stomp test, check timing chain & cam gears, etc...
BTW, you might not need a rebuilt alternator...they're pretty expensive. We had a few guys on here that just replaced the regulator assembly and fixed the problem (
Pelican lists the 80amp for $68). Get a load test on the battery & check the chassis for shorts. Might be a good alternator - that'd make it an even better deal, eh?