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my2nd40 · 03-17-2021, 06:43 PM

Some folks grind down the top of the lifter bore to aid in getting a wrench on the lifter bolt to make the adjustment. How much is too much to grind off. I've seen some pictures of engines in some books that the lifter bore looked to be ground down a 1/4" or even more. Won't that affect how the lifter might ride in the bore?

03-17-2021, 06:43 PM	#1
my2nd40 Senior Member Join Date: May 2010 Location: Paris, Tennessee Posts: 182	Flathead Adjustable Lifter question Some folks grind down the top of the lifter bore to aid in getting a wrench on the lifter bolt to make the adjustment. How much is too much to grind off. I've seen some pictures of engines in some books that the lifter bore looked to be ground down a 1/4" or even more. Won't that affect how the lifter might ride in the bore?