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picked up my neck bushings ,posted a pic of the two sizes ,67 and down 11/16, 68 and up 7/8,there was no bushings in my neck and it was flared out,heated up the neck worked it in with hammer ,shrunk it down by heating and cooling with wet rag then honed it out using a coat hanger folded over sandpaper and air drill[/QUOTE]
Whew, glad somebody else had to do the same thing...mine had 3/4 copper pipe as a sleeve. Nice handiwork!