AMSOIL For 1980 Subaru 4-DOOR 1.8L 4-Cylinder

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Below are the AMSOIL oil and filter recommendations for your 1980 Subaru 4-DOOR with the 1.8L 4-Cylinder.

1980 SUBARU 4-DOOR 1.8L 4-CYLINDER ENGINE CODE EA81

About the 1980 Subaru 4-DOOR

The 1980 Subaru 4-DOOR is a piece of Subaru history, powered by the 1.8L EA81 boxer engine. These early flat-fours are the engines that established Subaru's identity in the American market, known for rugged simplicity and surprising durability.

The EA81 is an air-cooled-era design with solid engineering and modest power. It does not ask for much, but it responds well to clean oil and reasonable intervals. A quality synthetic in the recommended grade keeps the flat engine quiet and protects the plain bearings that are easy to overlook.

AMSOIL Signature Series gives this classic engine the protection it needs, with the detergents to keep it clean and the film strength to protect it under load.

Engine Oil Recommendations

The 1980 Subaru 4-DOOR 1.8L 4-Cylinder requires 10W-30 full synthetic motor oil. Capacity is 4.2 quarts including filter.

Here is what you need:

You need 4.2 quarts of AMSOIL Signature Series 10W-30 100% Synthetic Motor Oil ATMQT-EA which you can learn more about here: AMSOIL synthetic motor oil 10W-30

You need the AMSOIL nano fiber long life oil filter for your 4-DOOR which is: EAO34

Drain Plug Torque Spec: 33 ft/lbs - always replace the drain plug gasket when changing oil.

To learn how to get wholesale dealer pricing go to: Where can I buy AMSOIL.

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