1964-1967 Oldsmobile Cutlass EFI Fuel Tank Kit 400 LPH Pump for LS and LT Swaps
When installing an LS or LT series engine into a 1964 to 1967 Oldsmobile Cutlass A body chassis the 1964-1967 Cutlass EFI conversion fuel tank kit 400 LPH Pump addresses fuel delivery and level feedback needs for demanding swap builds. This direct fit in tank module sits fully submerged to use surrounding fuel for thermal management while providing a steady 400 LPH flow and coping with over 550 HP. The kit features a precision sending unit replicating the stock resistance curve for accurate gauge readings and includes tank straps filler neck vent filter gaskets and hardware.
Engine and Model Compatibility
The 1964 to 1967 Cutlass EFI Fuel Tank Kit is engineered specifically for Oldsmobile Cutlass, 442, and F85 models. It accommodates LS or LT engines without clearance issues by preserving original frame geometry. Precision design aligns the pickup assembly with the stock fuel delivery tunnel and tank mounting points. Integration with MuscleRods mounting components maintains proper engine placement and drivetrain angles, ensuring a balanced installation that mirrors factory specifications.
Fuel Delivery System
At the heart of this kit is a Walbro 400 LPH in tank pump. This high-flow unit delivers consistent pressure and volume for supercharged or over 550 horsepower applications. The pump housing is molded to optimize fuel pickup depth, reducing vapor lock and ensuring steady supply under hard acceleration. All internal parts are selected for compatibility with modern gasoline and extended service intervals, providing reliable performance in street or track use.
Precision Fuel Level Monitoring
A precision fuel sending unit provides accurate gauge readings in all driving conditions. The float arm and pivot assembly are corrosion resistant, and calibrated to deliver linear output from empty to full. Connector terminals accept OE wiring plugs for a clean installation. Each sending unit is bench tested for repeatable response, eliminating gauge flicker and false empty alerts that can interrupt spirited driving.
Installation and Quality Assurance
This comprehensive kit includes stainless steel tank straps, a vent filter, nitrile gaskets, and mounting hardware. The design requires minimal trimming or filler modification and drops into the factory location. All components are built in America to strict quality standards, with protective coatings applied to resist corrosion. Detailed instructions guide vent line routing, return plumbing, and grounding points to ensure safe operation and long-term durability.
Trust MuscleRods for a precise fit and lasting quality in LS and LT swaps. To explore a Smaller capacity fuel pump Kit at 255 LPH, consider our 1964-1967 Cutlass EFI Fuel Tank Kit - 255 LPH Pump.