I have a Prestolite distributor from a Ford 351W that I need help with. I changed the gear with a steel gear that seems to be on the loose side. I can push it on by hand, did not need to press it on. How much torque will this gear be taking? Can I just use a roll pin to hold it in place or should I spot weld it?
the gear should be tight. you should have to heat the gear then slide it on. i usually put the distributor in the frezer overnight and the gear slides on. if it is loose get another gear this gear drives the oil pump and is critical.
Salty Dog,
I thought there was a roll-pin through the gear and the shaft. There is a lot of torque when the oil pump starts pumping that oil. It will stop a 3/8 drill motor with a priming shaft on the pump.(been there done that)
have worked on many ford distributors have yet to see one that the gear just slides on. from Y blocks Fe's and 302s. prior to breaker less ign. it is more critical as were points to open and close . now throw in a high volume pump. in my opinion the gear should at least be a tap fit. other wise wont be on any engine i build. plus always replace role pin with a known quality.
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