If you mean the one with different color bands around the edge, that is an A/F guage. Measures the ratio of air to fuel to let you see if you are running lean, or rich.
a must for N20 installs or turbos, and any modified engine in general
Ray
'99 CSVT - Silver #222/276
In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:I like to wear dresses and use binoculars to watch grandmas across the street.
