Post by
doridori23 »
https://forums.nicoclub.com/doridori23-u68081.html
Tue Dec 11, 2007 4:44 am
Aall the accessory pulleys are the same just with different names pretty much.
The only pulley to be careful with swapping out is the main crank pulley. Only use an ATI, Fluidampener, or OE pulley. If you are using a/c and use a solid aluminum main crank pulley (ie Unorthodox Racing) the engagement/disengagement of the a/c compressor clutch pack is transfered straight to the crank bearings for the #1 cylinder. Alternator/power steering surge also transfers wear but no where near as much as the a/c clutch pack.
The OE pulley has a layer of rubber between the first and second pulleys (look at the back for a better view) to dampen the shock and the ATI/fluidamp. are a viscous type dampener that provide even better protection.