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JWL · 10-19-2019, 05:09 AM

Have you had the opportunity to use a timing light and measure the "on engine" difference between the setting fixture and the engine?

I do not have a good answer for your overall question. I can only tell you I installed an adjustable timing control so I could take better advantage of leaner, low charge pressure, cruise throttle settings and the crab distributor. With the device near my fingertips I can dial in the necessary retard for hill climbing and go back to higher advance settings for light load.

10-19-2019, 05:09 AM	#4
JWL Member Emeritus Join Date: May 2010 Location: Fitzgerald, Georgia Posts: 2,204	Re: advance curves Have you had the opportunity to use a timing light and measure the "on engine" difference between the setting fixture and the engine? I do not have a good answer for your overall question. I can only tell you I installed an adjustable timing control so I could take better advantage of leaner, low charge pressure, cruise throttle settings and the crab distributor. With the device near my fingertips I can dial in the necessary retard for hill climbing and go back to higher advance settings for light load.