I would agree w/johnyb.....clutch is going to give up first.
Here are some pics from the latest RX SC build...AWD CTS Caddy 3.6L DI.
The AWD is amazing....NO traction issues on launch. Amazing cars:
Did our heads and stall converter as well as new timing chain set.
[IMG]http://i262.photobucket.com/albums/ii115/RevXtreme1/CTSS****_zps4105f6c0.jpg[/IMG]
