Pulley change index
 

Each pulley has a number. Click on the link for that pulley to be taken to the write up for it.
https://www.gmforum.com/howto/tech-i...lley/S2L67.jpg

Pulley #1 3.8" supercharger pulley
Pulley #2 Alternator pulley
Pulley #3 3.0" smooth tensioner pulley
Pulley #4 Power steering pulley
Pulley #5 Water pump pulley
Pulley #6 Main drive pulley
Pulley #7 AC compressor pulley
Pulley #8 3.0" grooved idler pulley
Pulley #9 3.5" smooth idler pulley