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At the behest of its engine suppliers, the IndyCar Series has implemented a new mandatory fuel flow meter for 2025 that must be carried within every Dallara DW12 chassis. Made by Sentronics, whose …
The IndyCar Series has introduced a new mandatory fuel flow meter for the 2025 season at the request of its engine suppliers. These Flowsonic fuel flow meters, produced by Sentronics, are already utilized in Formula 1, IMSA, and the World Endurance Championship competitions. This implementation will enable Chevrolet and Honda to standardize fuel flow and consumption rates across all the teams using their engines. Prior to this change, measuring volumetric flow rates through the fuel injectors required manufacturers to work closely with each IndyCar entry, a process that was both labor-intensive and not always perfectly accurate. With the new Flowsonic device, the need for constant fuel-rail/injector calibration is eliminated, ensuring greater accuracy in fuel flow and consumption rates which will aid teams and manufacturers in refining their pit stop and refueling strategies. Teams can now rely on real-time data to monitor fuel burn rates with confidence.
