Quote from gregory smith on October 29, 2022, 12:41 pm

Is engine RPM as reported in AST equal to actual RPM or in 10's? I finally have Tach working but the readout is 55 for my engine at idle. 550 would be closer, actual RPM was 625.

I have the correct number of poles for my alt and a pretty close estimate for the pully ratio.

Thanks