O2 or EGT ?

[Jeff Lee]

Originally Posted by montys 55

jeff, engine runs great ss/fm shift 9000 does not miss a beat. autometer wide band heated.

What I'm wondering is how it runs when you tune it to 12.7:1 or thereabouts?

[Greenlight]

Originally Posted by montys 55

Alan thank you for the reply but i have 18.6-1 @WOT.

Check for an air leak (header gasket, etc.) ahead of the O2 sensor. This will definately give you a false (lean) reading.

[Chad Rhodes]

Originally Posted by Greenlight

Check for an air leak (header gasket, etc.) ahead of the O2 sensor. This will definately give you a false (lean) reading.

and the sensor may be junk