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Distributor shaft screw size
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12-15-2019, 09:50 PM
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JoeCB
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Join Date: Nov 2018
Location: Farmington MI
Posts: 284
Re: Distributor shaft screw size
That odd size screw is likely an old American Standard #20 extra fine thread. The American Standard system has been obsolete since 1949. The #20 major diameter is 0.321
Joe B
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