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  1. LT1 | LT4 | L99 Engine Tech
    I've never tuned before, but I want to learn everything about AFR, fuel trims etc. Problem is, I want to start with the old school (NB), and work my way to the new school (WB). I understand that everyone says, "just switch to wideband". I want to learn how to do it when that is not an option...
  2. PCM tuning & Computer Diagnostics
    I have a 93 firebird which is the year the computers have a chip computer which I've heard are terrible for tuning and I am going to do some fun things to the car so should I swap the computer and what too? TYIA!
  3. PCM tuning & Computer Diagnostics
    Hey all, Im trying to learn TunerPro still over these last few days. However there are a few tables that i dont really understand how changing them effects the various values. PE AFR Correction - RPM and Coolant, CORRCL airflow %, DFCO spark blending, Maf calibration. Overall i would like to...
1-3 of 3 Results