All ECU’s use different sensors to find out load. On the other hand the tactic used varies among engines as the Silvertop makes use of a simple Vane style airflow meter while the Blacktop utilizes a far more sophisticated vacuum (MAP) and throttle placement (TPS) for bigger throttle openings where https://spencerfjhdy.blogproducer.com/38029155/about-4age-20v-blacktop-for-sale