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frnkeore · 09-23-2019, 01:22 PM

If you have centrifugal advance weights and your vacuum advance chamber is attached to the breaker plate. They work independently. The weights work on RPM, only. Then the breaker plate advances with vacuum, increasing the advance, given by the weights.

So, you have initial advance, plus centrifugal advance, plus vacuum advance. Each one changes the the total advance as it is designed to.

09-23-2019, 01:22 PM	#28
frnkeore Senior Member Join Date: Jul 2019 Location: Southern Oregon Posts: 782	Re: timing advance how much is to much If you have centrifugal advance weights and your vacuum advance chamber is attached to the breaker plate. They work independently. The weights work on RPM, only. Then the breaker plate advances with vacuum, increasing the advance, given by the weights. So, you have initial advance, plus centrifugal advance, plus vacuum advance. Each one changes the the total advance as it is designed to.