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How many teeth on the Inj. Pump gear? I am wanting to figure how many degrees each tooth is. Reason, My recent 93 chatters, bolts in center of housing slot and appears to be same position as my other 93 with stock timing. I am thinking it is 1 tooth off on timing. What ya think? And how many degrees is 1/8 timing?
 

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I can't help, as usual. But does the extra clattering harm anything? Mine is louder after timing bump, I don't want to cause damage.
 

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IIRC, 36 teeth but spinning at half crank speed, that is 20 crank degrees.
 
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