Originally Posted by
Billy22Bob
1) I noticed over at NW - the SL55 crank pulley dampner has two belt grooves - which ones the SC and which ones the ancilliaries? Dimensions?
innner....mm
outer.....mm
2) what's the stock SL55 SC pulley mm?.....
1) 154 mm
inner is 6 rib, outer (SC driver) is 8 rib
2) 90 or 91 depending on whom you ask .... but I just measured one sitting on my desk and it is 91mm
cheers,
Chris