[speeder]

What everyone else said about the location of the ridge. Why would new rings go where the old rings did not? I'd be more concerned about the measurement of the worn part of the bore just below the ridge vs the OG size @ top of bore. General rule of thumb I've heard is .002 wear per inch of bore in terms of wear/taper before hole needs to be bored.

If that spec works out, just hone the piss out of it and install new rings. I've had great success, (or luck), honing and re-ringing slightly worn cylinders but I am beyond meticulous about cleaning the ring lands on the pistons assembling and breaking in new rings by a specific procedure. Cleaning used pistons is the single most time consuming part of a rebuild for me.

Best of luck.