[John Rogers]

These two pictures might help. When I made the air/fuel meter from the PP tech article I found that the voltage really hopped around a lot, mainly due to the exhaust pulses from the cylinders into the collector. At high RPMs the meter (voltage) reads steadier due to less time between cylinder firing. Since you said that the voltage was low, it appears from the pictures I finally got to upload below, that the mixture is on the lean side, I.E. high voltage = rich and low voltage = lean. I might be reading that wrong though? Dave or someone can help me out here?