Engine Oil Specifications

Revision as of 06:16, 8 October 2012; view current revision
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Reference: 1972 USA Owners manual original Specification:

• Multigrade: SD MIL-L-2104B

or

• Monograde: SD MIL-L-2104B

1972 USA Owners manual (see pages 22-24 for oil information): The recommended viscosity grade of lubricants...varies with temperature changes. The lubricants provided at the factory are intended for use at temperatures between 32 and 90 F (0 and 32 C).

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• 5W-40
• 20W-50
• 10W-40
• 10W-30
• 5W-30

The 20Ws are good down to freezing, per the owner's manual chart, while 5Ws and 10Ws are good for colder climates.

And also they specified some single weights, but those have a limited temperature range.