I have a d100 and d120. I do not have the HS34. The carb is a marvel ma3-spa. It's the same carb that goes into a cessna 150 O-200.
I am finally installing all of the probes. I understand that the d120 has 3gp inputs and 1 gp thermocouple input. I know for sure I need 2 gp inputs for fuel...