What about for a century 1 installation? The unit biases all the way left when turned on. It can be controlled and rolled all the way right with the roll knob. The trim adjuster has been swept all the way to the right without any effect for the immediate left roll when turned on. The plane can...
It makes no difference either way it just displays the same info to make it easier to interpret the information. My setup is appropriately ifr approved. It’s tied to an annunciator/switch panel and a dedicated CDI
The o-235 in the 2 place Grumman’s runs fairly hot unlike the same engine in other application. As the above poster stated I too lean aggressively on the ground to the point where the engine stumbles upon any application of throttle beyond taxi rpm and have perfectly clean plugs.