Just reading the last post and have to say that its not true that most wrecking yards have 250s anymore the price of scrap steel is too high to keep them sitting around for 20 years like they once did.
I would go by them all up left and right if I were you for $50.00 a piece or less becasue you can always say to the guy look at the metal place you will only get $20 or $30 for that engine.
Its nice to hear some young folks are interested in inline 6s but lets treat them like lost sheep and look after them and give them a good home before they go get crushed or sent to Mexico.