SD diesels were widely available in the US in the 1981-86 Datsun/Nissan 720 pickups, and in Canada through '87 in the D21 pickup.
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philip
- Deceased
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- Location: Southern California, USA
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by philip »
The SD22 has an oil heat exchanger. This aids in warming the oil and in preventing excessive heat accumulation.
The SD25 features an additional oil heat exchanger located between the oil filter and the filter adaptor.

-Philip
Passed 08May2008
My friend, you are missed . . .
1982 Datsun 720KC SD-22
"Im slow and I'm ahead of you"
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