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Blanked off hole on 205 block?

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Old Jan 6, 2014 | 07:55 PM
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Default Blanked off hole on 205 block?

I'm intrigued to know what this is used for? Can anyone shed any light onto my curiosity?

*orange arrow*

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Old Jan 6, 2014 | 07:58 PM
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Its to let water out
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Old Jan 6, 2014 | 08:09 PM
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More to the point any one know what thread it is? As it's the same as the breather hole below it and I need a -10 fitting for it
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Old Jan 6, 2014 | 08:14 PM
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I've taken the nut out and put a water temp probe going to a smiths gauge in mine.
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Old Jan 6, 2014 | 08:32 PM
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Tighten the block to the engine stand, i snapped a top lug/bolt hole and made my only 200 block scrap by not having it tight!!
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Old Jan 6, 2014 | 08:35 PM
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Originally Posted by Cossie Sean
Tighten the block to the engine stand, i snapped a top lug/bolt hole and made my only 200 block scrap by not having it tight!!
Now that's bad luck
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Old Jan 6, 2014 | 09:09 PM
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Originally Posted by ajamesc
More to the point any one know what thread it is? As it's the same as the breather hole below it and I need a -10 fitting for it
3/8 NPT
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Old Jan 6, 2014 | 09:13 PM
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Originally Posted by jon@work
3/8 NPT
You sure? Just looked on line and 3/8 npt looks very small! 3/4 npt looks about right

Last edited by ajamesc; Jan 6, 2014 at 09:28 PM.
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Old Jan 6, 2014 | 10:47 PM
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Thats not my block, its just one i picked up randomly off google image.

Water drain, well cheers for the info.
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Old Jan 7, 2014 | 01:03 AM
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Originally Posted by ajamesc
You sure? Just looked on line and 3/8 npt looks very small! 3/4 npt looks about right
I'll double check tomorrow - I think I've got a bung handy, and I've got the taps.The tapping drill for 3/8 npt is 9/16, which seems about right
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