If you're getting the gasser, get the 4.30s. 3.73 will do the job, but you and the truck will like the deeper gears.
OE clutches on the Rams are the same known weak point for over 10 years running and if you weren't aware already, are basically considered a mandatory replacement. Although you have been a little tough on it to roach it that quick. 2 grand will get you a clutch installed that you won't have to think about for a long long time, but don't go to the dealer. Get an aftermarket clutch. My preference is south bend.
