Started the engine again today and continued through PAP G6. The fuel PSI was stable. The CHT both worked. I made slight adjustments to the carb sync and it seemed to be good at idle and high RPM. The throttle springs passed. I then went onto the ignition test. I took the RPM to 4000 and then shut off one ignition at a time. They each dropped about 500-600 RPM. I then tried running at 4000 RPM for 4 min and there was still a drop. So something is going on with the ignition system. I am thinking of trying to replace the spark plugs since that would be the easiest fix, so may try that first. I have noticed quite a bit of soot on the spark plugs of the front cylinders. So I am hoping it is a simple fix as that or maybe a spark plug wire not connected fully. In reading online the worse case would be that it has something to do with the trigger coil and if that was that case I would have to pull the engine to get access. Let's hope that is not the case.
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| Carbs in sync |
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