I did. And I don't attribute the power gain to the pulley at all. Just listening to the RPMs being lower and the speed being faster and knowing I had more throttle to go. But I mean to tell you I am absurdly impressed with that head. I could feel a dramatic increase in power. I also had to open the hole in the exhaust flange( it was smaller than the header pipe) and open up the intake ( also smaller than stock intake port). But all in all just WOW.
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MXR TrailBender 160R
SYC Perf head P&P,Matched intake and exhaust, A12 cam, Orange CDI & coil, Motorio pulley, 115mm Variator and lightweight drive face,11gm Sliders, UNI, modded muffler + 200 horsepower 
http://www.youtube.com/watch?v=3hx-hEWl10c
I'll take your insults as compliments and blame it on your lack of intelligence.
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