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Reply to "Role pin for distributor - setup unclear"

This is what it takes to snap the OEM oil pump shaft.

The cool part of this story is that the roll pin never sheared while this shaft was slowly twisting over years and miles of operation.

A burr inside a replacement oil pump is what caused this problem; this is why it is necessary to disassemble new oil pumps, deburr them, and clean them prior to installation.

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  • Ford_Oil_Pump_Shaft
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