Spool Stage 3 Low Pressure Fuel Pump | AMG E63 [M177] m177.1 (LS1) Are Tune Changes Required

Are Tune Changes Required

According to the latest ASTM guidelines

raising the fueling limits on the platform and helping you run bigger turbos and/or higher ethanol concentration blends

Why Do You Need It

Please make sure you plan out your fuel system build with proper low pressure upgrades when necessary

Spool Stage 3 Low Pressure Fuel Pump | AMG E63 [M177] m177.1 (LS1) Are Tune Changes RequiredSpool Performance is proud to present the production version of our Stage 3 LPFP (Low Pressure Fuel System) for the Mercedes AMG M177 platform. With the use of high pressure pumps now being able to support DI fueling, we have found the low pressure electric fuel pumps that deliver fuel from the tank to the high pressure pumps to be a bottleneck while chasing high horsepower, especially on E85 fuel. The upgraded stage 3 low pressure pump kits are a