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A proper chassis dyno session includes accurate air/fuel ratio data. To obtain this, an oxygen sensor bung was welded into the header collector. A wide-band oxygen sensor is part of RaceKrafters' dyno.
1969 Firebird "Little Big Chief" Chassis Dyno Test

 A proper chassis dyno session includes accurate air/fuel ratio data. To obtain this, an oxygen sensor bung was welded into the header collector. A wide-band oxygen sensor is part of RaceKrafters' dyno.  View Related Article

 

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