Hi Folks,
The spring rains have cleaned the roads of salt and we now get a glimmer of sunshine from time to time.... time to wake the sleeping beauty.
I took out the 4A for a little shakedown run about 2 weeks ago and felt a noticeable drop in power .. a bit sluggish. Checked the carbs, fuel delivery, ignition components... all fine. As the engine has about 650 break-in miles, i dropped it off at my mechanic for a once over and a compression check and just got a message from him that the #3 cylinder is way down at around 80 versus 150-ish for the others. Now the question is what could be causing this? All internals are new. Maybe a valve is not seated well.. or worse, the head is leaking ie. warped? Any comments are appreciated.
many thanks,
Brett
The spring rains have cleaned the roads of salt and we now get a glimmer of sunshine from time to time.... time to wake the sleeping beauty.
I took out the 4A for a little shakedown run about 2 weeks ago and felt a noticeable drop in power .. a bit sluggish. Checked the carbs, fuel delivery, ignition components... all fine. As the engine has about 650 break-in miles, i dropped it off at my mechanic for a once over and a compression check and just got a message from him that the #3 cylinder is way down at around 80 versus 150-ish for the others. Now the question is what could be causing this? All internals are new. Maybe a valve is not seated well.. or worse, the head is leaking ie. warped? Any comments are appreciated.
many thanks,
Brett