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How much oil does a Ford Model A engine hold?

The Ford Model A engine holds approximately 4 to 5 quarts of oil, depending on the specific model and year. This classic car from the 1920s and 1930s had a relatively simple engine design that required a modest amount of lubricating oil to function properly.


Understanding the Ford Model A Engine Oil Capacity


The Ford Model A was produced from 1927 to 1931 and featured a 4-cylinder, L-head engine with a displacement of 201 cubic inches (3.3 liters). The oil capacity for this engine was typically between 4 and 5 quarts, with some slight variations depending on the model year and specific engine configuration.



  • 1927-1928 Ford Model A engines held around 4 quarts of oil.

  • 1929-1931 Ford Model A engines held around 4.5 to 5 quarts of oil.

  • The oil capacity may have also varied slightly based on whether the car had a standard or high-compression engine.


It's important to always refer to the owner's manual or other reliable sources to determine the exact oil capacity for a specific Ford Model A engine, as there may be minor differences between individual vehicles.


Maintaining the Ford Model A Engine Oil Level


Proper oil level maintenance is crucial for the longevity and performance of the Ford Model A engine. Owners should regularly check the oil level and top it up as needed, using the recommended oil type and viscosity specified by the manufacturer.



  • The Ford Model A engine typically used a straight-weight, non-detergent motor oil, such as SAE 30 or SAE 40.

  • Owners should check the oil level with the vehicle parked on a level surface and the engine warmed up.

  • The oil level should be maintained between the "full" and "add" marks on the dipstick.

  • Regular oil changes, typically every 1,000 to 2,000 miles, are recommended to keep the engine in optimal condition.


By understanding the oil capacity and following proper maintenance procedures, Ford Model A owners can help ensure their classic car's engine continues to run smoothly for years to come.

How much oil does a Model A engine hold?


A Ford Model A engine has an oil capacity of 5 quarts (4.7 liters). However, some sources suggest that for optimal filling to the recommended level (just below the top petcock), around 3.75 to 4 quarts may be sufficient. 

  • Total Capacity: The engine requires 5 quarts of oil for a full fill. 
  • Recommended Fill: The original Ford recommendation was to fill it to just below the top petcock, which corresponds to about 3.75 quarts. 
  • Additional considerations:
    • In hilly areas, adding an extra half-quart (to reach the full 5 quarts) is sometimes recommended to prevent the oil starvation of the front bearings on steep inclines. 
    • It's best to check the oil level using the petcock after a fill to ensure it's at the correct level.
  • Oil Type: Modern 10W30 oil is recommended for a newly rebuilt engine. For older or unrestored engines, consult with an expert on the correct type of non-detergent mineral oil for your specific climate. 



What kind of oil does a 1931 Ford Model A take?


As Wayne Russert points out there was only non-detergent, straight mineral oil with no additives available in 1928 through 1931 for the Ford Model A. Therefore, Ford Motor Company at that time, recommended the use of 20W oil in the summer, changing the oil to 40W in the winter.
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How much oil does a 1930 Ford Model A take?


I do this even on my modern cars now it's time to add oil back to the engine. Model A typically will take somewhere between four and five quarts. I use Mobile One high mileage 10W30.



What is a Model A worth today?


The value of a Ford Model A depends on its year, condition, body style, and historical significance, with prices for common models in good condition typically ranging from about $13,000 to over $20,000. High-end, rare, or exceptionally well-maintained examples can sell for significantly more, sometimes reaching tens of thousands of dollars at auction, while poorly maintained or heavily modified cars might only be worth a few thousand. For a 1928 model, a good condition car is around $15,700, while a 1929 model in similar condition averages about $16,708.
 
Factors that influence value

  • Condition: A car in excellent running and visual condition will be worth much more than one in need of extensive repairs. 
  • Body Style: Some body styles, like the phaeton or roadster, can command higher prices than common sedans. 
  • Originality: Cars that are highly original or have been restored to factory-correct specifications are often more valuable than heavily modified "street rod" versions. 
  • History: A car with a documented and well-maintained history, especially if it's a significant or rare model, can increase its value. 
  • Market Demand: While demand for Model A's has been steady, the market can be influenced by collector trends and overall economic conditions. 

Example price ranges (for 1928-1931 common models) 
Condition Typical Price Range
Poor \$2,500–\$6,000+
Average (Good) \$13,000–\$17,000+
Excellent \$20,000–\$30,000+
Pristine/Rare \$30,000+ (can reach over \$85,000 for exceptional examples at auction)
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Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.