[25stevem]

Here’s a ruff guide for how the factory use to set up the timing curve with a 360 hp 4 bbl motor during the high comp good gas era.

For you I would limit the vacuum advance to 12 at first and bring in all of your centrifugal around 2500.

Whenever you make a change you must confirm that with the VA unhooked that with the motor up at 4500 you are not seeing the timing still advancing beyon the total of your in and centrifugal .

This needs to be done every time you do anything to the weights, springs or weight cam.