I just fount this post http://www.twinturbo.net/nissan/300zx/forums/general/view/2621068/ARP-8740-vs-ARP2000-vs-stock-the-truth-vs-the-hype.html Looks like I'm going to keep the heads on the car and not worry about it. Save a few bucks for that stand alone setup down the road.As for the timing scatter, that's why I went with the EPR Solid Tensioner and blue Gates Kevlar belt for now....and stand alone later down the road when I want to get serious. After reading yours and MixManMash's posts, Now I'm questioning if I should go with the gt25-550 turbos instead. Sacrifice some top end for faster response. Hmm, decisions decisions.
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