I have an 04 ski-doo rev 800, with it original track. I've seen ported tracks and I'm looking for any tips or info before I do it to mine. what size holes, how many holes, what the proper bit to use, etc...
any help would be great!

http://www.snowmobileworld.com/forum/index...showtopic=69263 (http://www.snowmobileworld.com/forum/index.php?showtopic=69263)