SD22 and SD25 Cooling systems

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
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SD22 and SD25 Cooling systems

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The SD22 has an oil heat exchanger. This aids in warming the oil and in preventing excessive heat accumulation.

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The SD25 features an additional oil heat exchanger located between the oil filter and the filter adaptor.

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-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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