I remembered that I'm going to have to remove the separated link to leave to inner links, so using the MissingLink/PowerLink will leave the chain at 118 links. When I separated the chain, I just carefully pushed the pin out far enough to separate the links. I wonder if it's ok to just put it back together and push the original pin back in, or a new pin should be used? Also that calculator isn't working correctly for me. It's telling me I need a chain length of "58 links"!