What you've heard about the rear end is right. unless you swap out your tranny for the turbo tranny you won't have to mess with the rear end. both the 5m and 7m blocks can use the w58 tranny so there is no need to change your tranny, bellhousings are the same.
if your looking for 7mgte parts there all over the net. its the 5m parts that are a little harder to get on the net, though most auto stores carry parts for them.
if your looking for 7mgte parts there all over the net. its the 5m parts that are a little harder to get on the net, though most auto stores carry parts for them.