I'm converting my ST G2300 to gas and was wondering about timing the EI. Does the magnet go top dead center? I understand that after determining TDC you rotate the crank to 28 degree BTDC (clockwise while standing in front of engine). This is where the hall sensor should be fixed, right? I've read numerous posts about timing but I was a little confused about the starting point of the magnet. It's mounted on the prop hub which can be rotated 360 degrees before I tighten it down.