Best way to do a gami spread test

[C-FAH Q]

What method is best for doing a gami test? And at what power settings, or will the results vary with different power setting? I have completed a few by leaning till egt's peak, and all peak within .1 gph. What method do you use.

 

[flyinga]

Try http://www.gami.com/gamijectors/leantest.php