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Reply to "Role pin for distributor - setup unclear"

The root cause of Ford distributor pin failure is and always has been dirty oil. Ford gearotor oil pumps are extremely intolerant of debris going thru the pump and breal drive pins & twist drive shaft extensions. Keep the oil very clean and things work as-stock. This does NOT include hi-pressure or hi-volume pumps! And some of the debris is deteriorated stock valve stem seals. GMs with their 2 gear oil pumps ignore debris until it gets ridiculous, and GMs use a distributor pin 3 sizes bigger than Fords and pump driveshaft extensions 4X larger.

Since few Ford owners seem willing to keep engines clean in our country, either upgrade the pin & shaft, or change your oil every 8K miles- or sooner if you drive a lot. This is regardless whether oil companies and Chev mechanics say you can get 30K miles before its necessary.
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