[trularin]

First off, is this noodle with or without cheese.

Second, as long as the ability of the first and second rings to scrap the bore as they travel is not compromised, the gap will be the blow-by control, as the engine ages and wears, the end gap become less of a factor and the residue left becomes more of a factor. Did you add the residue factor into your equation for itterations into the life of the component?

So, if you plot a curve of gap blow by versus wear blow by where the two curves cross is the apex of "Time to rering the engine".

Why would you want to conjure up old rotten memories of classes no one really liked.