if you read the book you will find that setting the points at .020 on the high point of the cam is generally sufficient. It is more critical to have the points OPEN at the right instant . .020 is a guide .. openning on the cam markings in the video makes it perfect.
if you did set them at .020 and cleaned them properly your problem is likely elsewhere.
You are correct, but for one little buggar of an issue.
What method is used to determine, on the many different cams, exactly where the high point it is?
This is more than likely why they switched to using the timing tools for their shops, it is easier, faster and wholeheartedly more accurate.
One would literally need to set up each cam they have for each motor, if different, on a spindle and using a dial indicator to know “where” exactly that high point is. There is NO visual marker, on any cam that I have seen that points to the exact spot, and it is a spot of maybe 1 degree of rotation on the cam, not 10 degrees or more like on one particular cam I recall seeing.
I am not in any way poo-pooing the use of feelers gages, I am merely pointing out that the use of the timing tool removes soooooo many other possible errors.
The “generally sufficient” comment, was before they developed the timing tools. But for me and my OMC’s, “generally sufficient” is not good enough….lol
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