What kind of rings are they? (brand...) I would use the ring manufacturers spec, with some modifications..lol. I run the tops at the "4 per inch of bore" rule and round up. So 4.355" would get an .018" top ring gap. Unless the piston requires differently. Diamonds don't take anything sprecial. I also run and extra thou per inch of bore on the 2nd ring. A lot has changed in the understanding of how rings work, and the 2nd ring with a larger gap can make more power and run cleaner.
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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