I don't put any faith in the position of end gaps.
There is nothing to hold them, they are free to rotate wherever they want. I know, stagger them in installation, but what happens when it is running?
What is important is piston skirt clearance, round, ring end gap, land width clearance, pin clearance, everything you would normally check on a rebuild plus any weird manufacturing defects.
I once bought a new, from the dealer, 250 chevy 6 block with pistons and rings. The pistons had to come out to have the pins pressed. Pushed all but one out, it had to be hammered out! Press fit in the block! Sent the whole mess back for another.
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Today's Featured Article - A City Guy's First Tractor - by Fred Hambrecht. After living in apartments in Atlanta for more years than I care to remember, the wife and I decided to move to the country. Humming "Green Acres is the place for me..." we purchased a 29 acre tract about 60 miles south of Atlanta. Next came the house, I could talk about that ordeal for another two weeks... But, I want to talk about my tractor! We didn't even own a lawnmower, and all of a sudden we had enough grass to feed all the starving children of the bovine world. Naturally, I talked
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