dont know if this will help any of you or not... but a company here in TX can get you complete pull Vortec 350's with under 70,000 miles for under $1000...comes with all accessories, wiring, and the computer....will also get you the 700 tranny for it for about $400 bucks more.... and they back it all up with a 3 month standard warranty with 1 yr warranties for nearly nothing.. will ship it too...buddy of mine got one and put it in his truck...runs great... email me if interested..i can get you the info on them..they are out of Brownwood, Tx...
email at hsmith@leelewis.com... thought it was a good deal and no I dont work for em...