Not impossible, its done all the time. I have a friend that has a 572ci in his Chevy Luv truck that took a little fabrication. It's onewild ride!
There are many places such as this: http://www.tdperformance.com/products/?id=3286 that have all the hardware that you need.
Here's more info: http://www.chevyhiperformance.com/techarticles/46298_chevrolet_s10_v8_engine_swap/index.html
Research: http://search.yahoo.com/search?ei=utf-8&fr=slv8-acer&p=chevy%20engine%20swap%20kits%20s10&type= |