Peterson Fluid Engine Oil Tank

Peterson Fluid Engine Oil Tanks: Race-Proven Dry Sump Oil Storage

When it comes to managing oil in high-performance and racing engines, few names carry as much weight as Peterson Fluid Systems. Founded in the heart of American motorsport culture, Peterson has spent decades engineering fluid management components that meet the uncompromising demands of oval track, road racing, off-road, and drag racing applications. Their engine oil tanks represent a core piece of that expertise — purpose-built reservoirs designed to work seamlessly within dry sump lubrication systems.

Why Engine Oil Tanks Matter in Dry Sump Systems

In a dry sump lubrication setup, the engine's crankcase is kept nearly free of oil. Instead of relying on a conventional wet sump pan, oil is actively scavenged from the engine by a multi-stage pump and routed to an external tank, where it is de-aerated, cooled, and held in reserve before being pressure-fed back into the engine. This design keeps oil from foaming under hard cornering loads, reduces windage losses in the crankcase, and allows the engine to be mounted lower in the chassis for a better center of gravity — all critical advantages in competition environments.

The external oil tank is the heart of this system. Its design directly affects how efficiently air is separated from the oil, how well thermal management is maintained, and how reliably oil is delivered back to the pressure pump. A poorly designed tank can reintroduce aerated oil to the engine, causing oil pressure drops and accelerated wear. Peterson Fluid's engineering approach addresses every one of these concerns.

What Sets Peterson Fluid Oil Tanks Apart

Peterson Fluid Systems builds their engine oil tanks from high-quality aluminum, offering excellent strength-to-weight ratios that matter on every racing platform. Their tanks are designed with baffling and internal geometry engineered to promote effective air-oil separation — helping ensure that only clean, de-aerated oil is returned to the engine under all operating conditions, including sustained high-g cornering and braking.

Peterson oil tanks are available in multiple configurations to suit a wide variety of chassis layouts and engine combinations. Whether you're building a dedicated road race car, a sprint car, or a high-horsepower street/strip machine running a full dry sump system, Peterson offers tank options sized and ported to match your system's flow requirements. Fittings, mounting provisions, and tank capacity are all considered in the design, reducing the need for custom fabrication and simplifying installation.

As part of the broader Peterson Fluid Systems lineup — which spans dry sump pumps, oil pans, and a full range of fluid system components — their oil tanks are engineered to integrate directly with Peterson's own pumps and hardware. This system-level thinking means fewer compatibility headaches and more confidence that every component is optimized to work together.

Shop Peterson Fluid Engine Oil Tanks

Explore the full selection of engine oil tanks available from Peterson Fluid Systems. Whether you're a professional race team or a serious enthusiast building a track-day machine, Peterson's tanks deliver the reliability and performance engineering your build deserves.