https://www.youtube.com/embed/MvO2Urchn3c
Sponsored Video presented by AEM Electronics.
Engines need three things to run: air, fuel and spark. The amounts of each shouldn't just be random, either, as a specific ratios are required for max performance. The factory ECU is pretty good at adjusting and maximizing the air-fuel ratio on its own, but what if the engine is modified or perhaps you just want to …
