1970-1972 Oldsmobile Cutlass LS and LT EFI Fuel Tank Kit
When tackling an LS or LT engine swap in a 1970 through 1972 Oldsmobile Cutlass A Body, maintaining steady fuel pressure during cornering and heavy acceleration is critical. The 1970 through 1972 Cutlass EFI Fuel Tank Kit 400 LPH Pump meets this requirement with a steel shell contoured to factory frame rails for a bolt in fit that needs no modifications. An baffled tank design controls fluid movement while the 400 LPH Walbro module rated for supercharged or 550 horsepower plus applications delivers constant flow. Included sending unit, straps, filler neck, vent filter, gaskets and installation hardware install easily into the pressure tested tank to resist leaks and slosh for reliable service on street or track.
Fitment and Compatibility
The 1970-1972 Cutlass EFI Fuel Tank Kit is engineered to match the original contours of Oldsmobile Cutlass A-Body chassis with exact precision. Designed exclusively for 1970, 1971 and 1972 Cutlass bodies, the kit delivers a seamless installation path for those restoring or upgrading their classic coupe. It supports both LS and LT engine platforms for builds that aim to exceed factory outputs. Integration with MuscleRods mounts ensures correct engine placement and ideal drivetrain angles, providing a solid foundation for power delivery without requiring additional fabrication.
Fuel Delivery and Performance
At the heart of this kit is a 400 LPH Walbro in-tank pump calibrated to feed supercharged engines or powerplants above 550 hp. The unit is calibrated to maintain stable pressures under maximum load while delivering consistent volume. A carefully designed internal baffling system limits fuel movement under heavy acceleration, cornering and braking, preventing starvation in hard driving scenarios. This combination of high-flow capability and anti-slosh control keeps injector lines fed with steady pressure for reliable throttle response and power delivery.
Construction and Durability
Crafted from heavy gauge steel and fully pressure tested to industry standards, the tank body resists deformation and maintains its shape through thousands of miles. All weld seams are TIG welded and sealed to ensure structural integrity and leak-free operation over time. Internal surfaces are treated to resist corrosion and deposits, extending service intervals and minimizing maintenance needs. The result is a long-lasting component that stands up to repeated use in street, strip or track conditions while preserving fuel purity.
Installation and Integration
This kit comes complete with all required hardware, including mounting brackets, straps and a direct-fit sending unit compatible with factory dash gauges. The fuel pump assembly snaps into the tank flange and wires to a sealed connector for a clean wiring layout. Designed to mate perfectly with MuscleRods frame mounts, the system ensures correct fuel line routing and clearance around suspension elements. Installation follows a bolt-in process that reduces downtime and avoids any modifications to the vehicle's floorpan or crossmember.
Partner with MuscleRods to ensure fuel reliability for 1970 through 1972 swap projects. To complete your Smaller capacity fuel pump Kit at 255 LPH consider our 1970-1972 Cutlass EFI Fuel Tank Kit - 255 LPH Pump.