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EDITS UNDERLINED
On the other side of the wipe, DO NOT sign in to Google yet. Get to the homescreen and reboot into recovery. Install the Titanium Backup zip you created - this installs the app in your app drawer without signing into Play. Reboot system.
I've never used the "update" .zip feature.
Looks to specify "clockworkMod" will this work with TWP ?
Also, do use GoogleWallet and how do you handle it? for some reason I always seem to have issues with it unless I "reset" it before I wipe :/