I'd say Doc Bowtie is pretty close, give or take. $500 or less runnin'. Maybe a bit more depending on miles, shape, model. $100 for a core short block, maybe more depending on what is still on it, valve covers, oil pan, intake, accessories. I've seen pretty good, running 350's go for under $500, so you might shop a little and look in your local classifieds, quik quarters, etc...