| Are the N/A pulleys and TT pulleys identical? Has there been a redesign in the last 6 or years? Why do I ask? Well on my black convertible I have a U/R crank pulley from 2004. The diameter of the across the front (PS driver) is about 90 mm. I use the stock PS pulley and a 35 in belt. (it looks identical to the pulley shown in the Tech section). Now on my pearl convertible the U/R crank pulley is from around 2009. The diameter across the front is about 110 mm. With a stock PS pulley, it requires a 36.5 inch belt. There is no real difference in performance at speed, but the black convertible is much nimbler around the parking lot - no big deal but it is very noticeable if you move one car and then the other back to back. Just curious
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