NoPistons -Mazda Rx7 & Rx8 Rotary Forum
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NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   3rd Generation Specific (https://www.nopistons.com/3rd-generation-specific-18/)
-   -   Interesting Holes I Came Across (https://www.nopistons.com/3rd-generation-specific-18/interesting-holes-i-came-across-26071/)

r0gu3 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?

r0gu3 10-03-2003 07:20 PM
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Second pic ...

r0gu3 10-03-2003 07:21 PM
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Third pic ....

r0gu3 10-03-2003 07:21 PM
4th pic .....

vosko 10-03-2003 07:36 PM
EGR ?

rockshox 10-03-2003 08:18 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

r0gu3 10-04-2003 02:06 AM
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 .....

Joe Flo 10-04-2003 09:56 PM
I just took my exhaust manifold off this weekend. I don't remember seeing those holes. They can't be factory https://www.nopistons.com/forums/pub...1047683561.gif

Silver Ninety Three 10-05-2003 11:28 AM
They are there from the factory.

Bulletproof 10-05-2003 05:15 PM
Damn I saw that title and thought this was gonna have to get moved to the x-rated forum....


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