Engine Masters Season 7 Episode 21 Magic of the Flex Fuel Sensor

In season 7 episode 21 of Engine Masters, titled "Magic of the Flex Fuel Sensor," the experts dive into the world of fuel injection and explore the benefits of using a flex fuel sensor. The episode opens with David Freiburger and Steve Dulcich discussing how engines can be optimized to run on different types of fuel, and the importance of having a flex fuel sensor to accurately measure the ethanol content in gasoline.

Throughout the episode, the team compares a naturally aspirated small block Chevy engine running on 91 octane gasoline to one running on E85 ethanol fuel. They explore the different performance characteristics of the two fuels, and how the engine responds to the changes in fuel composition. They also examine the effects of changing ignition timing and fuel quantity to optimize engine performance on both types of fuel.

The episode features a range of tests and experiments, including dyno runs and real-world driving tests, to evaluate the performance of the two fuel types. The team also discusses some of the challenges of running ethanol fuel, such as the need for larger fuel injectors and the potential impact of ethanol on fuel system components.

Throughout the episode, viewers will learn about the importance of accurate fuel measurement and the advantages of using a flex fuel sensor to optimize engine performance. The team also discusses some of the current trends and technologies in fuel injection, such as direct injection and high-pressure fuel systems.

Overall, "Magic of the Flex Fuel Sensor" is an informative and engaging episode that will appeal to automotive enthusiasts and anyone interested in the science of engine performance. The team's expertise and enthusiasm for the subject are evident throughout the episode, making for an enjoyable and educational viewing experience.