Posted by Janicholson on September 28, 2009 at 06:36:46 from (199.17.6.222):
In Reply to: super m knock posted by jdetig1 on September 27, 2009 at 19:11:03:
AS noted below bearing caps are not interchangable. you probably have more than .005" clearance on #1 main. When pulling up on it with the belt, it opens the clearance. when it fires, it slaps the clearance into the cap. (my guess) To check it, make sure the pulley is tight, then use a dial indicator on the pulley flange, positioned so it is vertical. Use a pry bar to push down on the pully flange. set the dial to zero, then push up on the flange and read the indicator. At that distance from the bearing it should not be more than .005". (this probably translates to about .003 at the bearing) if it is more, do not run it till it is fixed. As stated, line boring is necessary (with the cap fit to allow metal to be removed (shaved cap mating surfaces) Best of luck, JimN
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Today's Featured Article - Memories of an IH Super A When I was ? up to 10, I worked on my Papaw's farm in Greeneville, TN every summer. As I grew older (7), it was the thrill of my day to ride or drive on the tractor. My Papaw had a 1954 IH Super A that he bought to replace a Cub. My Papaw raised "baccer" (tobacco) and corn with the Super A, but the fondest memory was of the sawmill. He owned a small sawmill for sawing "baccer" sticks. The Super A was the powerplant. When I was old enough (7 or 8), I would get up early and be dressed to
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