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I have 1 log recorded of my VTC actually working on my car. Otherwise it never does. I have no speed signal to my ECU just the tach, for rb25s I read that was fine.

I didnt realize the ecu grounded the signal for the VCT to operate when I first wired it up. I had wired the brown wire to a ground assuming the ecu provided a 5v or 12v signal to the vct plug.

Infact the only run I have with the variable timing logged working is with it hooked up the incorrect way.

Once I realized the brown wire was a 12v and not a ground I changed the wiring but this made no difference.

I can hear the relay click if i rev up the car.

Is there a way to test if the solenoid is bad? I had 1 die on me [oil seeped from inside the solenoid into the plug]

Also if my timing drops below 24degrees at full boost it will cut...

The log I have saved with the vct working the timing will drop to 19degrees and be running flawlessly

Seems bad to run 24/25degrees with 91oct fuel at 17psi but I dont hear it detonate..

Thanks For ANY input

Tim

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