The 1985 Dodge Charger equipped with the 2.2L four-cylinder turbocharged engine (Engine Code [E]) represents a unique chapter in automotive history. This period marked the transition where Detroit manufacturers began integrating forced induction into compact engines to improve performance metrics without sacrificing fuel economy significantly. However, the presence of a turbocharger places unique demands on the engine’s lubrication system. High-heat conditions, rapid acceleration, and the specific tolerance requirements of older European-influenced engine designs necessitate a lubricant solution that offers superior thermal stability and wear protection compared to conventional oils. Maintaining this classic vehicle requires more than just following a generic schedule; it demands fluid products that can withstand the specific stresses of a turbocharged 2.2L engine operating in modern conditions.
Recommended AMSOIL Products
- AMSOIL 5W-40 FS 100% Synthetic European Motor Oil – Specifically formulated for the high-heat demands of this turbocharged engine, offering a precise blend of synthetic base oils and additives designed for European vehicles.
- AMSOIL 5W-40 MS 100% Synthetic European Motor Oil – An alternative premium European formula that ensures optimal viscosity protection and engine cleanliness under turbocharger stress.
- AMSOIL Oil Filter – Provides 99% filtering efficiency at 20 microns, allowing lower restriction to keep engine parts lubricated while capturing small wear-causing contaminants.
- WIX Oil Filter – A high-quality alternative option featuring premium media that offers improvements over original equipment manufacturer-branded filters.
- AMSOIL Signature Series Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – Withstands heavy towing, elevated temperatures, and challenging terrain while remaining fluid in sub-zero conditions.
- AMSOIL OE Multi-Vehicle 100% Synthetic Automatic Transmission Fluid – Guards against leaks and promotes smooth, shudder-free shifts with excellent cold-weather performance.
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant – A unique poly-organic acid formulation that protects all cooling system metals, gaskets, and hoses for up to 150,000 miles.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant – A concentrated option that requires mixing with water, offering extended service life up to 1,000,000 miles in heavy-duty applications.
- AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid – Delivers excellent ABS and traction-control responsiveness with stable viscosity over a wide temperature range.
- AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid – Reduces friction and helps seals remain soft to prevent leaks, formulated for quiet operation and excellent high-temperature protection.
Choosing the right viscosity grade is critical for the longevity of your 1985 Dodge Charger’s 2.2L turbocharged engine. The manufacturer recommended a range of oil viscosities depending on ambient temperatures. For colder conditions below -18°C, 5W-30 or 10W-30 are suitable, while 5W-40 is the preferred choice for temperatures below 38°C. In warmer climates where temperatures rise above -7°C, 20W-40 or 20W-50 may be appropriate, and 30 weight oil can be used for standard operation. The total oil capacity for this engine is 5.1 quarts when including the filter change. Ensuring the drain plug is torqued to 20 ft/lbs is also essential to prevent leaks, especially as the vehicle ages. Because the oil capacity is relatively modest for a four-cylinder, using a high-efficiency filter is paramount to ensuring that the circulating oil remains clean, protecting the turbocharger bearings and engine internals from abrasive wear.
Transmission and Cooling System Care
While the engine is the heart of this vehicle, the transmission system requires attention to ensure reliable operation. For the manual transmission, specifically the A525 five-speed model, the capacity is 4.4 pints. Although specific synthetic recommendations for the manual gearbox vary by season and usage, maintaining the correct fluid level is vital for smooth shifting and synchronizer health. For automatic transmissions, the vehicle benefits significantly from a synthetic fluid that resists thermal breakdown and sludge formation. The Signature Series Multi-Vehicle Automatic Transmission Fluid is engineered to provide reserve protection during heavy use, such as towing or aggressive driving, while maintaining fluidity in freezing temperatures. The OE Multi-Vehicle option offers a more budget-friendly choice that still delivers superior cold-weather performance and leak protection, ensuring the transmission shifts smoothly without shudder.
The cooling system for the 1985 Dodge Charger 2.2L has a capacity of 9 quarts. Proper Antifreeze & Coolant is essential not just for temperature regulation but for preventing corrosion within the aging aluminum and iron components of the engine block and radiator. Using a premixed 50/50 formulation like the AMSOIL Passenger Car & Light Truck Antifreeze & Coolant simplifies maintenance while providing protection against corrosion, gasket degradation, and hose failure for up to 150,000 miles or five years. For owners who prefer to mix their own coolant or require a more robust solution for extreme duty, the concentrated AMSOIL Propylene Glycol Antifreeze and Engine Coolant is an excellent alternative. This product greatly surpasses standards for metallic corrosion and erosion, making it ideal for vehicles that see heavy use or are stored for long periods.
Braking, Steering, and Seasonal Maintenance
Safety and control are paramount when driving a classic vehicle like the Charger. The hydraulic brake system benefits from high-performance synthetic Brake Fluid that meets DOT 3 and DOT 4 specifications. Standard brake fluids can absorb moisture over time, leading to a lower boiling point and potential brake fade during hard stopping. The AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid maintains a stable viscosity across a wide temperature range, ensuring excellent responsiveness for both ABS and traction control systems. This is particularly important for vehicles that may have seen decades of service, as fresh brake fluid clears out water and contaminants that can corrode the master cylinder and calipers.
Similarly, the power steering system, which likely utilizes a hydraulic setup common to vehicles of this era, requires fluid that resists oxidation and heat. The 100% Synthetic Multi-Vehicle Power Steering Fluid is designed to reduce friction and keep seals soft, preventing the common issue of leaks in aging steering boxes. It provides strong anti-wear protection and operates quietly, ensuring smooth steering even in cold starts or after extended highway driving. For owners who store their Chargers during the winter months or during periods of inactivity, seasonal preservation is key. Using Gasoline Stabilizer keeps the fuel fresh for up to 12 months, protecting the carburetor or fuel injection system from varnish and gum buildup caused by ethanol in modern gasoline. Additionally, the Engine Fogging Oil provides a highly effective rust preventive coating for internal engine components, ideal for protecting the engine during long-term storage.
About the Vehicle
The 1985 Dodge Charger, particularly the model featuring the 2.2-liter four-cylinder engine, holds a distinct place in automotive evolution. During the mid-1980s, the American automotive industry was deeply entrenched in the aftermath of the fuel crises of the 1970s, leading manufacturers to prioritize smaller, more efficient powertrains. The 2.2L engine, a four-cylinder design often associated with compact Dodge models like the Omni and Aries, was a surprising yet significant choice for the Charger in certain markets and trim levels. It represented a shift toward performance-oriented four-cylinders, with the turbocharged variant adding a layer of excitement that challenged the larger V8s of the past.
This specific iteration, identified by Engine Code [E], highlights the era’s experimentation with forced induction in smaller displacements. The turbocharger, a technology that was becoming more accessible and refined, allowed this compact engine to produce power outputs that rivaled some naturally aspirated six-cylinders of the time. The vehicle’s character would have been distinct from the muscular, raw power of the late 60s Chargers; it offered a blend of agility and a unique high-revving nature typical of turbocharged engines. The suspension and chassis were generally tuned to support this lighter, faster-engined approach, providing a sportier driving feel compared to the sedate family sedans of the period.
Owners of the 1985 Dodge Charger often appreciate the vehicle for its rarity and the specific engineering challenges it presents. It is a classic example of the “small displacement turbo” trend that eventually faded in the late 80s in favor of more refined V6 and V8 options. Maintaining one today is a labor of love, requiring an understanding of the specific needs of a turbocharged four-cylinder from that generation. The engine’s compact design and turbocharger placement mean that heat management is crucial, making the choice of lubricants and cooling fluids even more vital for reliability. For enthusiasts, keeping this Charger running involves more than just mechanical upkeep; it is about preserving a piece of history that showcases the innovative, if sometimes fleeting, direction the American auto industry took during the transition to modern emission standards and fuel economy regulations.