1971-1972 Chevy Monte Carlo LS EFI Notched Fuel Tank with 400 LPH Pump
For 1971-1972 Chevy Monte Carlo projects that demand LS EFI performance this notched fuel tank with its 400 LPH pump delivers the consistent flow needed to support supercharged or high horsepower conditions. By situating the pump fully submerged below the fuel surface heat soak and vapor lock risk drops significantly under sustained revs. The CNC cut notch traces the A Body frame rails and exhaust path to maintain maximum suspension movement without any chassis trimming. Complete with an integrated sending unit and all required mounting hardware the drop in assembly streamlines installation and ensures accurate level monitoring.
Submerged 400 LPH Pump Design for Consistent Flow
By positioning the 400 LPH pump fully beneath the fuel surface, this tank harnesses constant liquid cooling to reduce thermal stress on the unit. That submerged orientation also prevents vapor pocket formation that can interrupt delivery under heavy throttle or boost conditions. With a capacity rated for supercharged or more than 550 hp LS engines, the assembly maintains steady pressure even at sustained high rpm. The result is reliable fuel flow that preserves throttle response and avoids starvation during spirited driving or track use.
Precision CNC Notched Tank Protects Suspension and Exhaust Clearance
The tank shell features a CNC cut notch that precisely follows the 1971–1972 Monte Carlo A body frame rails and stock exhaust route. This tailored profile maintains full coil spring movement and keeps mufflers clear without any chassis trimming. By preserving original ground clearance, the design shields the sheetmetal from road debris and supports safe handling at maximum bump travel. Installers benefit from a fit that aligns exactly with the underside geometry, cutting test‐fit cycles and fabrication tasks to a minimum.
Integrated Fuel Level Sender Module for Accurate Monitoring
An in tank sending unit is enclosed within the pump module to deliver precise level readings across all angles and fuel volumes. Housing the sensor inside the sealed assembly eliminates extra bulk in the trunk and greatly reduces potential leak points around external fittings. Short wiring runs simplify gauge calibration and provide a clean appearance under the deck lid. This neat integration streamlines bleed procedures and ensures reliable monitoring without loose components cluttering the cargo area.
Comprehensive Kit Package Accelerates Monte Carlo LS Swap
Every part required for a seamless installation is included, from the 400 LPH pump and sending unit to tank straps, filler neck, vent filter, gaskets and mounting hardware. A detailed guide leads technicians through removal of the original tank, proper placement of the new assembly, sealing steps and leak testing for a dependable result. All components are specifically matched to the 1971–1972 A body design, keeping fitting issues and body shop adjustments to an absolute minimum. With essentials delivered in one package, builders can focus on dialing in LS performance rather than sourcing missing parts.
To complement this setup with a smaller capacity fuel pump kit at 255 LPH see our 1971-1972 Monte Carlo 255 LPH pump Tank Kit (notched) and rely on MuscleRods precision for your LS project.