Is this the original injection pump without speed advance? Without looking at the book I think the 4010 was timed at 14 degrees before tdc which would be the numbers above the tdc mark. Replacement pump with speed advance is timed different but not tdc either. I'll look at the book when I get to the shop in the morning. Could it be 180 degrees off? Maybe was on #6 when the oil pump was installed and timed?
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