how to install a LT5 in a vette 92 LT1

hello from france
need a little help
is it possible or impossible to install a LT5 in a LT1 vette with an auto gearbox?
what about lenght/engine mount/ gearbox / electrical wire / an so on ?
i knew a skilled personn Geoff JEAL in UK somebody have his adress
the reason of my request is that i own a LT5 engine complete and new ( 10mmiles ) and a LT1 engine tired
tk to every body to give me back a little help
jacques