My harmonic balancer blew apart on me a few months ago, and I am going to install a nice underdrive pulley this weekend. I was given part numbers for certain belts that I need to use. The alternator side calls for a 33" belt. My auto parts store couldnt get a 33" belt, but could get a 33.5" belt. They said that I shouldnt have any probs with the extra half inch of play, and that the tensioner should easily take that up. Is this true?

Thanks for the help!

Mike