fuel Archives — Page 4 of 4

Best Fox Body Sumped Fuel Tank: Options & Install

A modified fuel reservoir designed for specific Ford vehicles produced between 1979 and 1993 incorporates a specialized depression or “sump” at its base. This alteration enhances fuel delivery, particularly under high-performance conditions, preventing fuel starvation by ensuring a consistent supply to the fuel pump, even during aggressive acceleration, braking, or cornering.

This modification addresses limitations inherent in the factory fuel systems of these vehicles, which often struggle to maintain adequate fuel pressure when subjected to the demands of increased horsepower or competitive driving. The enhanced fuel supply provided by this system contributes to improved engine reliability, consistent performance, and reduced risk of engine damage due to lean fuel conditions. Historically, this modification has been a common upgrade within the performance automotive community seeking to maximize the potential of these popular platforms.

Unleash FRS Power: Flex Fuel Kit + Benefits!

A fuel system modification allows a vehicle, specifically the Subaru BRZ or Toyota 86 (often referred to as the “FRS”), to operate on varying blends of gasoline and ethanol, up to 85% ethanol (E85). The modification typically includes sensors, a control module, and potentially fuel system upgrades to accommodate the different fuel properties. These components work together to monitor the ethanol content of the fuel and adjust engine parameters accordingly.

The ability to utilize higher ethanol content fuels offers several potential advantages. E85 generally has a higher octane rating than gasoline, which can lead to increased engine performance, particularly in forced induction applications. Furthermore, ethanol is a renewable fuel source, and its use can contribute to reduced greenhouse gas emissions. This technology has evolved from earlier efforts to improve fuel efficiency and reduce reliance on fossil fuels, gaining popularity with enthusiasts seeking both performance gains and environmentally conscious options.