Many of the recently rebuilt engines I know of have excessive blow by issues. I believe this is a result of too-rough a wall finish for proper ring seating and sealing. I think wall finish is more important than the perfect gap. There's more pressure loss and oil contamination from the entire circumference than the ring end gap.
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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