Anything beyond 15% to me is suspect, unless it's a high milage engine. Fresh engine with std type rings seated on the right bore finish will be between 5-8%, zero gap or gapless type rings should be less than 3%. Is that the 383?

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.