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Thread size for inlet manifold vacuum take off?

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Old Jun 5, 2010 | 03:29 PM
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Default Thread size for inlet manifold vacuum take off?

Whats the thread size for the vacuum take offs on a cosworth inlet manifold.
What to replace the plastic ones with some metal ones.
Cheers Rich
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Old Jun 5, 2010 | 03:56 PM
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1/8NPT
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Old Jun 5, 2010 | 03:59 PM
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Originally Posted by jon@work
1/8NPT
Cheers muchly
Rich
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Old Jun 5, 2010 | 06:02 PM
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Anyone know what thread size the non return valve next to the vaccum take off's is as well?
Cheers Rich
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Old Jun 5, 2010 | 06:14 PM
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I thought that was 1/8 NPT(27) as well, if not most likely then 1/4NPT(18).
tabetha
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Old Jun 5, 2010 | 11:28 PM
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it is also 1/8NPT
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