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Interesting Holes I Came Across

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Old 10-03-2003, 07:20 PM
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I am in the process of disassembling my engine and came across two holes that aren't quite stock. First hole is machined through the throttle body and the second is maching through the exhaust manifold. Anyone seen these before?
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Old 10-03-2003, 07:20 PM
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Second pic ...
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Old 10-03-2003, 07:21 PM
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Third pic ....
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Old 10-03-2003, 07:21 PM
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4th pic .....
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Old 10-03-2003, 07:36 PM
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EGR ?
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Old 10-03-2003, 08:18 PM
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isnt the hole in the tb for the idle air control? and i would guess the hole in the manifold was used for an egt sensor
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Old 10-04-2003, 02:06 AM
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Originally Posted by rockshox' date='Oct 3 2003, 07:18 PM
isnt the hole in the tb for the idle air control? and i would guess the hole in the manifold was used for an egt sensor
But the hole in the manifold isn't tapped .....
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Old 10-04-2003, 09:56 PM
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I just took my exhaust manifold off this weekend. I don't remember seeing those holes. They can't be factory
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Old 10-05-2003, 11:28 AM
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They are there from the factory.
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Old 10-05-2003, 05:15 PM
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Damn I saw that title and thought this was gonna have to get moved to the x-rated forum....
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