Converting a 1971 Carby fuel tank to EFI with a Drop in Fuel Pump Assembly. Today on The Skid Factory AL modifies the standard Nissan Skyline fuel tank to accommodate an In-Tank EFI setup consisting of a VT Commodore MRA Fuel Pump Assembly with a Weld In mount via Raceworks. Al then fabricates some 4 -1 Extractors out of 1&3/4" mild steel.