I laughed a little when I typed "Head Nipple Boss" into the search box... - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-20-2009, 10:35 AM   #1
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Default I laughed a little when I typed "Head Nipple Boss" into the search box...

... but I didn't find what I was looking for.

How does one remove the round fitting with the right angle nipple at the back of the head on a 1.8 which feeds the oil cooler? Is it press-fit?

Stolen pic for reference:


I think I want to remove that and tap the hole for 1/2 NPTF to go to a -10AN.
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Old 04-20-2009, 11:22 AM   #2
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Old 04-20-2009, 11:23 AM   #3
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<=== stolen.
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Old 04-20-2009, 12:20 PM   #4
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Quote:
Originally Posted by kday View Post
... but I didn't find what I was looking for.

How does one remove the round fitting with the right angle nipple at the back of the head on a 1.8 which feeds the oil cooler? Is it press-fit?

Stolen pic for reference:


I think I want to remove that and tap the hole for 1/2 NPTF to go to a -10AN.
Yep, press fit. I removed mine with a pair of vice grips. Make sure to seal whatever you put back in there well or it will leak. Loctite retaining compound works well.
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Old 08-04-2009, 01:04 AM   #5
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Just for posterity, I'll update this thread to say that it was a huge pain in the *** removing the head nipple boss, involving pipe wrenches, hack saws, drills, and all many other implements of destruction. "Press fit" is an understatement.
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Old 08-04-2009, 01:26 AM   #6
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that's mah motorz.
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