1968-1970 Chevy El Camino EFI Fuel Tank Kit for LS and LT Engines
Installing a modern LS or LT powerplant in a classic 1968-1970 El Camino requires a tank that preserves the undercarriage profile while supporting sustained flow demands. This EFI fuel tank kit uses a 400 LPH Walbro pump to maintain steady pressure under sudden throttle inputs and accommodate engines up to 550 horsepower. By mirroring factory tabs and ports, it bolts in without cutting or welding to the A Body frame. Installers benefit from a combined pump module, sending unit, and hardware delivered as one assembly to simplify plumbing and wiring.
Direct Fit Design for 1968 to 1970 El Camino Undercarriage
The tank uses precise tooling to match the sheet metal contours and original mounting tabs of 1968 to 1970 A Body El Camino vehicles. This approach preserves ground clearance and avoids any need to cut or weld the frame, delivering a drop in installation that stays true to factory placement of vents and pump ports. Consistent alignment reduces stress on seals and hoses, helping to terminate leaks before they can develop. The smooth underside shape also prevents road debris buildup, which can cause wear or rattles over time. In practice, installers find the direct fit cuts hours off a custom fuel system build and safeguards chassis integrity.
Walbro 400 LPH Pump Performance under Heavy Demand
Central to the kit is the in tank Walbro 400 LPH pump engineered for LS and LT engines pushing beyond 550 horsepower. It maintains uniform pressure when throttle input spikes, shielding against lean conditions that could lead to detonation or loss of power. The high volume flow supports future upgrades such as larger injectors or nitrous without a separate auxiliary unit, ensuring that fuel delivery stays ahead of combustion needs. Delivering consistent output over long runs also sharpens ECU feedback, allowing tighter air fuel tuning under acceleration and at sustained high rpm. For street or track use, the pump delivers confidence that fuel starvation will not interrupt performance.
Integrated Module Simplifying Plumbing and Electrical Connections
This kit arrives with a combined pump module, sending unit, tank straps, filler neck, vent filter, gaskets and mounting hardware in one assembly to streamline the build. Pre routed wiring connectors and dedicated hose fittings eliminate separate harness runs and multiple adapters, reducing potential leak paths and wiring errors. All necessary gaskets and brackets are pre selected to seal fuel vapor and resist moisture intrusion, while the integrated filler neck accelerates line routing under the bed. By minimizing parts count, installers experience fewer missing components and spend less time double checking fit. The result is a tidy underbody layout and a faster path from start to test drive.
Robust Steel Construction with Internal Baffles for Fuel Control
The tank shell is formed from high grade steel and precision welded at critical stress points to ensure long term durability. A corrosion resistant coating protects the exterior from road salt and chemicals, preventing rust and pitting beneath the bed. Inside, baffling around the module damps fuel slosh during cornering or rapid throttle transitions to keep the pickup submerged and prevent cavitation. These features maintain steady flow even on uneven surfaces, so pickup performance is consistent in all driving conditions. The combination of rugged materials and thoughtful internal layout makes for a reliable foundation in any modern engine swap.
This kit delivers reliable performance in any road or track use and for a Smaller capacity fuel pump Kit at 255 LPH see our 1968-1970 El Camino EFI Fuel Tank Kit - 255 LPH Pump.