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35fordtn · 10-09-2023, 06:28 PM

You can use the 68 weight on the 11a shaft and achieve the same advance curve by very slightly bending the stiffer thicker of the two springs outward.

10-09-2023, 06:28 PM	#11
35fordtn Senior Member Join Date: Aug 2010 Location: McMinnville, TN Posts: 2,327	Re: 1941 Distributor ID You can use the 68 weight on the 11a shaft and achieve the same advance curve by very slightly bending the stiffer thicker of the two springs outward.