2004r's in grand national's and turbo regals turned 12's in the quarter. That takes some horsepower to do that.
Turning 12s in the quarter and having a transmission that will handle a load are completely different things. After re-reading what the op is planning to use the truck for (towing), the 200 is not a good choice. It simply is not load rated for that use. As I mentioned, the 200 was never used in a full size truck (some 4 cylinder 2wd S10s did use them). A 700 will live far better in a truck.
Since the ruck is no longer stock anyway, the driveshaft and transmission mounts are not really an issue.
