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[Datsun 1200 encyclopedia]

Engine Oil Specifications

Revision as of 23:59, 8 April 2016; view current revision
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Category: Engine Lubrication System

Datsun 1200 can use many engine oils including these modern blends:

*  5W-40
* 10W-30
* 10W-40

Contents

Oil Change Specs

1972 USA Owners manual (Page 32):

th_00_cover.jpg th_32.jpg
Every Three Months
1972 Recommendation
every 3 months
 * Change engine oil (& filter every other time)
every 6 months
 * Replace oil filter
 * Check oil system for leaks

Modern Recommendation

With today's modern oil blends, we recommend changing the oil and filter every 6 months/6000 miles for regular oil. Synthetic oil does not break down as fast, so if using a synthetic oil the changes can be less frequent. Regular oil is a fine lubricant but as it breaks down sooner, regular changes are a must!

Engine Oil Viscosity

Choose the engine oil by the climate in your area. The 10Ws are good down to freezing, per the owner's manual chart, while 5Ws and 10Ws are good for colder climates.

The lower weights (5W especially) will use less HP when the engine is cold, however they cannot be used for high speed driving. Instead, a 5W-40 blend can be used, gaining HP and fuel economy both. And its 40 rating means no problems at high temperatures.

5W-40
Temp Range: -10F to 120F
Recommended by Nissan, depending on temperature
* 5W-20 (for cold areas)
* 20W-40
* 10W-40
* 10W-30

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

22188.jpg

Factory Datsun 1200 Specifications

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):


th_00_cover.jpg th_22.jpg th_23.jpg

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).

Oil Usage

It is normal to add some oil between the oil changes. Usually a quart every 1,500 miles is OK. A quart every 500 miles indicates either a serious leak, or "oil burning" (bad rings) in the engine. To test for ring wear, perform an Engine Smoke Test. You can also do a wet/dry engine compression test using an inexpensive compression gauge.