From what I've seen blazers and such that need work go for $700-800 and up neighborhood around here, but possibly negotiable. I'm not sure what condition the engine is in after overheating, but it was changed a couple years back. The original went bad and had one put in with 43,000 miles on it. I also had brake lines done last year, had garage do it since I was in the process of moving. Also has 2 new O2 sensors and new gas tank/straps/fillerneck, oh and a new MAF.