In a message dated 7/7/2011 7:57:47 A.M. Paraguay Standard Time,
echristley@nc.rr.com writes:
The
manual tuning process, as I understand it, is to pick one of the tables. The
ignition table in this case. Let the engine warm to operating temp, set
the throttle and give it a few seconds to settle. Move to the grid cells
surrounding the one where the real-time ticker is and move them up or down
until the MAP is minimized. Move the throttle to a different position
and repeat. An experienced ear could tell me immediately that I'm
running to rich or lean or how the advance should change, but I'm still doing
a lot of guessing with the "poke it and see what happens" technique. Do
you have any tricks of what to look for when tuning the ignition
advance?
Since the timing is not dependant on MAP or TPS or RPM I would just
take the prop off and set the advance at say 22 or 24 degrees right up to 6,500
RPM. Later if you want max cruise mileage or to reduce popping on decent, you
can map real large amounts of advance for closed throttle higher (off idle) RPM.
If I watched that video a few more times I might get a clue as to how its
done.
Lynn E. Hanover
It's a UAW job, Local 473.