521 engine identification

1965-1971 Datsun 521 forums. All 520 and 521 topics and discussion can be found here.
dirtydon
Posts: 9
Joined: Wed Dec 31, 1969 5:00 pm

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I am new to datsun trucks, I just bought a 72 521, the engine appears to be newer that a 72. it is definetly a L series engine. I cant't find any casting #'s for identifying it. The VIN doesn't help.

Thanks in advance for any help.

Dan


1LOW521
Posts: 10
Joined: Wed Dec 31, 1969 5:00 pm

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well there's suppose to be the number on the bottom left side of the head..juss like one inch below it..there's suppose to be something like L16 or L18 it all depends on what engine u have..

dirtydon
Posts: 9
Joined: Wed Dec 31, 1969 5:00 pm

Post

Thanks, I found it. It is on the r/h side under the #4spark plug. It is a L18.


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