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frnkeore · 09-23-2019, 01:50 PM

In reality, how it works, is that you set your initial, then with the vacuum advance, unpluged, rev the engine to 2000 or, what ever the book gives as max advance RPM and check the total advance. Then adjust the initial advance, to what you want or, what the factory says the total advance should be.

The vacuum advance is a economizer and is not available under load.

I set my total advance, before the engine goes in the car, with a degree wheel. You find TDC, on the wheel, then move it to what you want the total advance to be. You then twist the weights, to full advance. With a ohm meter hook to the points, you rotate the distributor until you see the points break, with the ohm meter.

Lock it down and you have it set for max advance. The only setting that counts, for max power.

While you have the degree wheel on the engine, you would mark the pulley for TDC and total advance, using a convenient pointer, to align with the marks.

Add more marks, if you like, for initial timing but those two are what you really need.

09-23-2019, 01:50 PM	#29
frnkeore Senior Member Join Date: Jul 2019 Location: Southern Oregon Posts: 782	Re: timing advance how much is to much In reality, how it works, is that you set your initial, then with the vacuum advance, unpluged, rev the engine to 2000 or, what ever the book gives as max advance RPM and check the total advance. Then adjust the initial advance, to what you want or, what the factory says the total advance should be. The vacuum advance is a economizer and is not available under load. I set my total advance, before the engine goes in the car, with a degree wheel. You find TDC, on the wheel, then move it to what you want the total advance to be. You then twist the weights, to full advance. With a ohm meter hook to the points, you rotate the distributor until you see the points break, with the ohm meter. Lock it down and you have it set for max advance. The only setting that counts, for max power. While you have the degree wheel on the engine, you would mark the pulley for TDC and total advance, using a convenient pointer, to align with the marks. Add more marks, if you like, for initial timing but those two are what you really need.