It really depends on you ball speed and rev rate, but unless your ball speed is pretty high and you have a medium to low rev rate you are really gonna want to take some surface of of it and go 4-1/2" to 5" inches from axis. I would put the pin 1-1/2 above the midline, unless there is a lack of head oil or your ball speed is low then I would put the pin about 3" above your midline, you can adjust these up or down based on the length of your span so you don't drill into the pin.
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