TwinTurbo.NET: Nissan 300ZX forum - Timing, Video Included
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Subject Timing, Video Included
     
Posted by FuerGrissa on June 15, 2008 at 7:48 PM
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Message I got my new CAS in mail on Saturday, installed tonight and went about adjusting my timing. I mentioned it in an earlier post, but no responce. I'm hoping somone can tell me if I should trust the timing mark off the black wire on upper side of PTU, or the #1 cylinder coil pack wire.

Basically on the PTU wire the gun strobes way faster and more reliably, I imagine cause its a small wire with almost no shielding, however the mark jumps back and forth on the crank, between about 12-17 degrees BTDC

When I leave the CAS alone, and switch over to the plug wire on #1, the strobe fires slowly and sparadically, but the timing mark is always in the exact same spot, at about 6 degrees BTDC.

Video

The video is taken from a camera meant for stills, but you could still see clearly the mark, I dont know if you still will be able to after youtube butchers the encoding though.

Anyways there is a difference of like 10-15 degrees here which is obviously a lot, I don't know which to trust. It's also worth noting that the CAS is almost retarded as far as its able to be adjusted in this video. In video #1 plug wire is at about 6, if I turn the CAS as far as it will go I still only get to about 10BTDC on the coil, 18-22BTDC on the PTU

     
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