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My 1971 521


d.p

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Does the  dip stick tube use an o ring in the block?  IF not do I just hammer it back in the block and screw it in? 
 

And what keeps the crank case breather tube in the block? When I got this engine it was loosely goosey and basically fell out. 
 

 

3FB8D46D-88FE-4F52-BA7B-DBACA11DBC87.jpeg

Edited by d.p
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Both are just pressed or hammered in. I suspect that both are a taper fit. The paint on the dip stick would act as a gasket or seal. Put a block of wood  over the block vent and tap into place. If it won't tighten, carefully hammer the end just enough to make ever so slightly oval and hammer in.

 

Is that a rubber O ring on the block vent???

 

 

On 11/22/2020 at 8:47 AM, mrbigtanker said:

Mike in America its racist to use white bread you cracker.

 

But wouldn't it be too WOKE to use black rye bread???

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7 hours ago, d.p said:

Does the  dip stick tube use an o ring in the block?  IF not do I just hammer it back in the block and screw it in? 
 

And what keeps the crank case breather tube in the block? When I got this engine it was loosely goosey and basically fell out. 
 

 

3FB8D46D-88FE-4F52-BA7B-DBACA11DBC87.jpeg

It’s amazing the vent tube will snugly tap in, I spent two days getting it out. 

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Yeah it’s an L20b with an l16 vent tube.  Came like that when I bought the it.  
 

This the correct vent tube?

 

https://www.ebay.com/itm/Datsun-L20b-Engine-Block-Crank-Case-Vent-Pipe-Tube-OEM-Power-Coated-/153998902770?_trksid=p2349624.m46890.l49292

 

I just straightened the dip stick tube so I’m good there.  

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