The DBC throttle body requires slight manual opening of the throttle blade to introduce bypass air in order to “Help” the IAC maintain and control idle. Yes it’s literally this simple sort of...
Part 1 of setting the bypass air/IAC; once you have stable idle you must tune your VE and MAF tables to properly tune the engine.
LS/LSX cam swap TUNING the TRUTH DBC vs DBW throttle body
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LSXTUNE AN LSLS1 cam swapHow to tune after cam swapHPT tuning a DBC throttle bodyIdle tuning after cam swapDBC vs DBW not the same tuneTuning the LS set idle then tune VE and MAFLS cam with high overlapHow to tune an LSHPT Pro idle tuning tip4.85.36.0LS6Tune an aftermarket cable throttle bodyTuning bypass air DBCDBC requires manual setting bypass airLS swap the world4.8 Elgin 1838p cam1838p cam has 59 degrees overlapHPT how to tune