Quote:
Originally Posted by Mk.32
Quick question from this; because we like to be able to put the gear on the CIM before we put it in the gearbox, I bored the CIM mounting holes to about .9 so a 14th would fit though it; so does it really matter that you use a .75 pilot hole?
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The idea behind using a .75" pilot hole is to help align/center the CIM, which has a protrusion at the base of the output shaft that is also .75" in diameter.