how to get power from a 318

My line of thinking was with forged, you cant get away with more slop in the bores between the pistons and wall..in fact, many like more clearance. Hypers wont fit right at .040 over..but forged ones willjust swell up and fill the extra..plus, they are a lot tougher if things do rock around a little. The extra is still prob less than re-boring or honing..lol.