I did the piston soak. Couldn't warm the engine up yet, carbs don't come back till tomorrow, but I got some improved compression test-wise.
Pre soak:.
Cylinder #1: 155 psi
Cylinder #2: 160 psi
Post-Soak:
Cylinder #1: 164 psi
Cylinder #2: 169 psi
Gained 9 psi on both cylinders!