Before i started hypermiling, did DIY grounding kit, light-weight pulleys, and lowering springs. Not sure if they have helped with f/e because i wasn't really keeping track before i did those mods.
Build Thread:
Current Mods:
Full upper grill block, partial lower block (depending on the temp), vacuum gauge, Techmat insulation under the hood, rear wheel skirts, front belly pan, shorter serp belt to bypass A/C compressor, engine block heater.
