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Old 04-12-2024, 03:24 PM   #1
oldspert
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Default Repair of intake vacuum tap

I obtained a different intake manifold but the vacuum tap was completely rusted to the point of not removal. Did not want to use heat so here is what I did to repair the threads.
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File Type: jpg rusty_plug.jpg (47.1 KB, 43 views)
File Type: jpg first cut.jpg (48.1 KB, 44 views)
File Type: jpg cenrer drill.jpg (50.9 KB, 45 views)
File Type: jpg new threads.jpg (41.9 KB, 48 views)
File Type: jpg fitting.jpg (43.5 KB, 46 views)
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Old 04-12-2024, 04:44 PM   #2
Chuck Sea/Tac
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Default Re: Repair of intake vacuum tap

Did the same thing to an exhaust manifold where the intake bolts on. Tricky part was a perfect centering.
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Old 04-12-2024, 05:10 PM   #3
oldspert
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Default Re: Repair of intake vacuum tap

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I set this up on my milling machine. Not too hard to get center once I milled it flat.
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