Am I burning lean or REALLY lean?

[Matt D.]

Sounds like it's rich? Please tell me how you can hear such a thing.

Are your plugs gapped correctly?

[mlomker]

Originally Posted by Matt D.

Sounds like it's rich? Please tell me how you can hear such a thing.

I guess if it were possible to tune using plugs then we wouldn't need afr gauges.

[Matt D.]

Originally Posted by mlomker

I guess if it were possible to tune using plugs then we wouldn't need afr gauges.

No, but plugs are a good indication of engine health and overall performance.