Reply to "Ignition, vacuum advance question"

marlinjackThe Machinist #5723 AMARGOSA MACHINE 'Running on Empty- Middle of Nowhere'

...So Yes! Keep the Vacuum Advance for better Fuel Economy! Yes! You can adjust Most Vacuum advances Through the Vacuum Port of the Advance 'Canister' using an 'Allen' Wrench, to increase or decrease! No worries about loosing the 'Total' advance! As the Vacuum advance Decreases because of a Lower Vacuum Signal from Opening the Throttle; The Centrifical Advance will Increase because of The Increase in RPM from opening That Throttle! Check Your timing at 3500 RPM (But WITH the Vacuum Advance CONNECTED; and all of the Centrifical Advance is 'IN', NOW set the TOTAL Advance at 36-38 Degrees Before Top Dead Center. You can also Rev the Engine to 3500 RPM, Advance the Distributor Until Pinging is heard, then Back off the Distributor 2 Degrees. This is Called 'Power Timing' And Allows the Engine to 'Tell' You Exactly Where It wants the Timing to Run!...

8/31/089:17 AM

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