For break in you will have better luck with more timing than less. Set your balancer mark to 15 degrees BTDC. Point the rotor to #1 firing. It will start fine right there. As soon as it fires, get it up to 2500 rpm and with a timing light pull it up to 35-40 degrees. Continue break in. After break in is complete, set the timing where the engine runs best. It will run fine on 87 with no load for break in as long as the gas is fresh.
