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Thread: eq ratio and afr HELP

  1. #21
    well i have long tube headers that came with the weld for the o2. Would that be considered upstream.

  2. #22
    Advanced Tuner rabbs88's Avatar
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    That's upstream

  3. #23
    Tuner nathanhine1977's Avatar
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    Hi, do you mind posting your user math for the AEM wide band 30-0300 for eq ratio?
    Thanks.

  4. #24
    Advanced Tuner rabbs88's Avatar
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    It's pre-programed into the scanner? Very simple equation.

    HP Tuners language: 100 * ([50119.238] - [50118.238]) / [50118.238]

    English: 100 * (Actual EQ - Commanded EQ) / Commanded EQ
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