^^^ yeah, I really don't think the accessories need to be tuned for new pulleys. I also think that "engine revs so freely and less lag" are placebo effects. Pulleys make very marginal differences.
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Car Sold! Pleasure being a part of the Z community. 
New ride: 2015 GT-R - 647 WHP / 641 WTQ (e85) & 543 WHP / 519 WTQ (91)
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