Daves1940Buick56S Posted July 15, 2018 Share Posted July 15, 2018 (edited) When I got the car I went ahead and picked up a junker distributor on ebay as a hedge. Good thing too because the vac advance on it was good and I needed it. Anyhow, it has another unusual breaker plate design. On this one the points are mounted as 2 parts and the plate stays fixed. The vac advance actually adjusts timing by moving one side of the points in and out, effectively opening or closing the gap and thus change the timing and dwell. This is a supremely bad design as max advance will lower the dwell to the point on an 8 cylinder that the coil primary will not have time to build the proper B field. Anyhow, presented for your enjoyment. Anyone ever see one of these? Listed as from the Synchromatic Co. In Jackson Mi. Cheers, Dave Edited July 15, 2018 by Daves1940Buick56S (see edit history) 1 Link to comment Share on other sites More sharing options...
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