So I'm going to flush my transmission this week and I'd like to know if anyone on here has there transmission running royal purple? Ive ran royal purple on all my volvos with 3,000 mile oil changes and I love it. So I'd like to see if it'll make a difference with my transmission. I currently have a hard shift from 2nd to 3rd gear (only when on an incline). And at some point I'll have my transmission valve body rebuilt however until that time I want to drive the crap out of it. Ever since buying my car I can tell I've been putting heavy stress on the trans and the trans doesn't like it. However at least my driveing habbits have helped me get better mpg! But if not royal purple, what other fluid would you guys recommend?