I am looking at a 98 24v 3500 quad cab 4X4. It drove out alright but i am fixing to take it out longer and run a fine tooth comb over it. Noticed the exhaust manifold had a 4in crack in it just before the turbo. is this a common problem or one of those tell tail signs its has been abused? It has never had a Gooseneck or fifth put in it, The receiver hitch is a little necked out so it has pulled though. I am familiar with 12v trucks. But here comes the kicker, the truck has 211,000 miles on it. no smoke but power was not quite what I was expecting. A little feed back would be a real big help. oh... . asking $13,000 for it. Does that even seem fair. What do I need to look for.