You can try but you can't run from your mistakes.
Conversions...puhhlease. You non kjetters will never again know the thrill of wondering if your DeLorean will start with a crowd of starstruck onlookers livestreaming your folly.
As far as reliability is concerned, a well maintained K-Jet system can be as reliable as any conversion with two caveats, it needs to be used at least once in a while and you can't let any dirt or stale fuel into it. This applies to any fuel system.