Buick had a habit of installing a few V8 engines in the mid-1950's with .005" oversize cylinders, and using Std. diameter rings in them. They were almost always oil-burners. Then they decided service departments should install .010" oversize piston rings and file-fit the end gaps.- - - -the oil burning got worse! The only fix was a .010" rebore, new pistons, and rings that fit the cylinder diameter!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!