Trigger Wheel Settings

EMU BLACK / CLASSIC
1

I need some guidance here. How are the first tooth and trigger angle settings determined? I have my engine (2jzgte vvti) at tdc as per the markings boxed in blue. I have marked every tooth in the wheel starting at tooth No.1 right after the gap. The trigger sensor is boxed in yellow. Please correct me if im wrong but it looks like:

  1. The trigger angle is the angle spanning the first tooth up to TDC. That looks about right
  2. The first tooth refers to the tooth that the sensor (yellow box) is seeing RELATIVE to TDC. In this case tooth 15 but relative to tdc its tooth 9.

Is this right? I feel like this is so simple yet i am chasing my tail around trying to understand it. And yes…i have put a timing light to my engine and adjusted my trigger angle from 63 to 64 to make the timing marks all coincide as they should. Cheers.

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Trigger Settings
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Triger setting help
2

Trigger tooth is the position to which the trigger angle is refering to. So if the position trigger tooth+trigger angle is read by the sensor = tdc.

Dont think to much about this…its a waste of time. In the ende ubset random values und try and error with timing lamp. Thats much faster than measuring anything.

3

You made me laugh not gonna lie. And its kinda what ive done…just really trying to understand to satisfy my OCD.

4

:smiley:

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If u choose a trigger tooth with lower number u need to increase trigger angle.

1 Like
5

Awesome explanation righ there. Thanks so much!!!

6

Is this Fractional from the IS forum?

7

Nope. I recognize your name though, your yt is very educational.

1 Like
8

Oh ok, my apologies. Thanks for the kind words. Means a lot brotha.