Yes, engine roughness is caused by one cylinder misfiring.
Fuel injection is properly calibrated is the same on all
cylinders so the engine runs smooth and balanced.


"Jose" wrote in message
om...
| 50 RPM drop on the rich side is too rich at cruise.
|
| I've never heard of leaning to an RPM drop... just to an
EGT drop.
|
| With fuel injection, just a little below peak or even at
| peak if the cruise power is set below 70%.
|
| Why is fuel injection different? More even mixtures
across the cylinders?
|
| Jose
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