swapping to a V8 (same old questions)

[dubie]

Just a couple questions. A customer of mine has a 350, 4 bolt that he is willing to give me. The engine ran 3 years ago when he yanked it out of his truck to drop in a 455. I want to know exactly what has to be replaced when you go to a V8 from an inline. I know that I can drop it right on the inline engine stands, but what else needs to be done to have a succesful install? And, If I was to get the V8 stands and switch to a 4spd, what would need to be done? Thanks for any advice guys.

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72 C/10 LWB 2wd
250 inline 6, 3 speed column shift. Soon to have a total facelift.