| First... where are you reading the timing? I used to be able to get an accurate reading off the loop, but since I relocated the PTU, I have to remove the number one coil and use a plug wire to get an accurate reading. IF that is all good, try another cas. I read more and more posts and threads about CAS issues recently, in addition to having a lot of problems getting a CAS that actually works right. See here: http://www.twinturbo.net/nissan/300zx/forums/technical/view/1125756/Cant-I-get-a-CAS-that-actually-works.html
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