I received my pullies and put them on Yesterday. They look really good on the car and I love the quality of the craftsmanship that was put into them. I really can't feel any performance gain, but I am sure they must have free'd up a horse or so. Every bit counts so I am happy with them. I used a 72.5 inch belt while putting them on. My tensioner is almost all the way open, so it was a little difficult putting the belt on. I asked Savage for a 73" belt which should put the tensioner nearly halfway in between being fully opened and fully closed. I am assuming a belt between 72.5 and 73.5 will work, it just depends on what the parts stores near you have available.
I did not take the alternator of the car to change the alt. pulley. I removed the pass. side motor mount completely (while having a jack support the engine) and lowered the engine down a couple inches. This allowed me to use an impact gun to break the bolt loose with the alternator still on the car. It is accesable through the left access panel in the passenger side wheel well. It took a few tries to break it free though.
The power steer. pulley was really simple, but I put it on backwards the first time. I believe the company that made them stamped their name on the wrong side on the pulley. Just make sure you put the pulley on the right way the first time to save yourself a little troube.
I think it took me about 3 hrs to get all this done. I'm sure it could be done in 2, but I was goofing around abit too.
Good luck.