Do a quick fit up and check where he pits are with respect to the top of the top ring.
Most of the compression is done by the second ring in an case .
Practically all the compression sealing should be done by the top ring. The second plain ring does some useful oil scraping.
The top ring is called he fire ring for good reason, it takes he brute force of the combustion
The first set of gapless rings I installed I fited the gapless one on the top and they failed myserably
Swapped them around, gapless 2nd ring, worked like a dream
According to some conversations with Total Seal, they suggest opening the gap on the top ring and closing the gap on the 2nd ring regardless of weather am using gapless or standard rings.
Too little gap on the top ring prevents suffcicient gas pressure getting behind the second ring fast enough to create a proper seal.
has been taught the top did all the work but apparently it should be the 2nd.
In use I have run more than one engine with pitting in the bore because new barrrels or liners were beyond my finances at the time
Unless the pit wa almost a full ring, the worst case was an engine that was a little more smokey than it should have been.