Tuning without a Maf Sensor

6L80 Shift Pressures How and They Work Learn the art and science of GM Speed Density tuning—a method that eliminates the MAF sensor and relies on manifold pressure, air temperature, and engine speed to calculate airflow. This guide covers everything from VE table adjustments and MAP sensor scaling to fueling, spark timing, and idle control. Ideal for enthusiasts and tuners looking to maximize engine response and reliability in boosted or high-performance applications. Let me know if you want the tone to be more technical, beginner-friendly, or tailored to a specific platform like HP Tuners or Holley EFI.