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PTM 92mm Throttle Body vlave cover breather pipe question

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Old 03-12-2010, 12:40 AM
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Default PTM 92mm Throttle Body vlave cover breather pipe question

so I bought a Fast 90 and a PTM 92mm Throttle Body Used from a guy on here
theres a bolt hole on the side of the throttle body just above the cable linkage.
I know a small pipe is supposed to thread into it...and that pipe connects to the valve cover on the passenger side.


what thread is that bolt hole?


I am converting from a stock LS1 Throttle body and the pipe from my stock throttle body is not threaded, just a pressure fit.

I'm probably just going to go buy a bolt and seal it up and add a breather to the valve cover, but I'd like to know what that fitting size is and what its from.
I'm sure theres a GM part that its designed for... if anybody could tell me what that part is it would make my day.




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