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Old 03-06-2021, 05:00 PM
jlisler jlisler is offline
 
Join Date: Feb 2005
Location: Donalsonville, GA.
Posts: 138
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Looks like they are all impulse mags. 4371 has 20 deg lag, 4372 has 15 deg lag, and 4373 has a 25 deg lag. I guess their use would depend on your engine timing.
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Jerry Isler
Donalsonville, GA
RV4 N455J
1949 C140A N9641A
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