Second flight went without any issues, although very short due to the morning burn-off hanging around creating a solid layer, didn't want to risk loosing the field so I landed.
The few squawks I had from the first flight were easy to fix:
Ammeter shunt wired backwards - fixed
Magnetometer wouldn't calibrate - replaced, bad unit
Manifold pressure restrictor installed to stabilized the readout (used the stainless 0.004 inline restrictor from McMaster Carr)
After I started the battery voltage didn't jump to indicate alternator charging and the ammeter still read zero. I thought I had an alternator problem. Nope. Reached over and turned on the alternator field
Checklists are good
Fast airplane, easy to fly, easy to land. Much more relaxed second flight.