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Crashtd420 last won the day on March 23

Crashtd420 had the most liked content!

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About Crashtd420

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    Datsun Mechanic
  • Birthday 02/04/1975

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    1972 Datsun 521
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    Datsuns Atv /Family
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  1. SU manifold have water ports  but all weber and Mukunis manifolds don't have water ports.


    running sidedrasfts I prefer not having the water ports in the head to worry about springing a leak.

    I used 1/4 pipe plugs on my first head.  

    If head has the water ports already from factory I think just the short tap will work.  short tap as it bottoms inside the head

    1. datzenmike


      Only the '75-'77 L20Bs had the U67 head without the coolant holes.ALL other L16/18 and '78 and up L20Bs had coolant passages and they didn't leak!!!!! Why plug them? because they might leak?? but history has shown that they never do.


      A Weber intake that does not have coolant passages with cover any holes and the gasket will seal them. They always have.

    2. banzai510(hainz)


      Its a pain in the ass dealing with water getting in the intakes. I swapped many a Felpro Intake gasket as they are not as good as the SSS Graphite Nissan versions. What usually happens the lower center of the gasket blows out and gets stinky/  Pull of the sidedrtaft as a unit and replace gasket in half hour no clean up.

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