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Need a sanity check here. Here's the steps I followed. 94, single, elite 1500, oem pulley. Ign1a.
Warm up car
Set timing lock to always on -5 firing angle, +15 trailing split angle
Attach timing light to T1, top front spark plug
Timing mark on pulley is at 1 o'clock or so
Adjust trigger system tdc angle until pulley mark aligns with timing boss line. I had to move counter clockwise. Haltech does not allow negative tdc angle so I went to 336.5. To get the light to align
Recently needed a sanity check as well doing this exact thing. Reached out to Mr Ludwig for help and this was his response
With stock crank trigger the trigger angle will be right around 5. Any more than +/- 2 degrees at idle and something is not right. I set lock timing at 10 BTDC leading and split at 30. Connect the timing light to T1. With these values, T2 will be at 20 ATDC and will align with the marks will align. With that much leading advance, the engine will actually run well enough for it to idle on its own and allow you to rev the engine to check for timing retard as revs increase.
After following his instructions
The base trigger angle was set to 5 by default and required no adjustment. I would suggest following his instructions and rechecking. The annoying part is using the -5/15 settings forces you to eyeball the trigger wheel for alignment.
Its not too often we're setting base timing like this with a stock wheel and we were troubleshooting some other things at the same time. we needed an authority to confirm our findings and sure enough we were correct but wanted that 100% affirmation and this was what we wanted to see.
OK fixed it. Used the +10 firing angle and 30 secondary lag. Was withing 1.5 deg while measuring on the trialing plug. Thanks all and Mr Ludwig. Just bought the syltech IAT you sell. Works great and is pretty fast.