I have already joined an interesting thread here -> https://my350z.com/forum/showthread....0&pagenumber=1

We are finding some very interesting things. Might be worthwhile for all! Please give your 2¢. I could use it.

 

i have the same # of teeth as in your pic.....except i can't verify the #3 pulley because of that belt guide bolted on the back of it......but 30 teeth is pretty close.......i have to tighten my belts tomorrow, so i can check it out then for sure