Migration 8.17 32bit to 64 bit

we r planing to migrate the 8.1.7 32 bit to 8.1.7 64 bit in solaris, our application is too old we can't go higher oracle version.... our db size approx 1TB..can we restore from cold backup and applying 64 bit scripts or exp/imp... pls suggest me including steps

Have you looked at something first by yourself???

This link should take you to the "changing the word size" of the 8.1.7 migration manual:

http://download-west.oracle.com/docs...pgra.htm#21111