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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

A.I.R. stands for

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Old 03-28-2008, 09:35 PM
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Default A.I.R. stands for
Was looking at an lt-1 that had the A.I.R. on it. Now the previous owner took it off on my car so what does it do. Just geussing i figured it dealt with emmissions
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Old 03-28-2008, 09:52 PM
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Its an emmissions thing. It is a small air pump that puts fresh air into the exhaust for the first 2 mins or so after start up to help the cat reach operating temperature.
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Old 03-28-2008, 09:55 PM
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Default A.I.R. stands for Air Injection Reaction
Yep, it's an emissions thing:

http://www.smp-training.com/BWD/Emis...es/emis09.html
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Old 03-29-2008, 12:04 AM
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And I thought it stood for Air Intake Recirculation heh Seeing as it pumps the air back into the intake. Oh well, mines gone who cares LOL
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Old 03-29-2008, 08:23 AM
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Originally Posted by Old SStroker
Great info, thanks.
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Old 03-29-2008, 08:55 AM
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I always thought it stood for junk in the way of a clean engine bay!
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Old 03-29-2008, 09:03 AM
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if i take the air pump assy off with i get a check engine light?
will the car run better or worse?
thanks
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Old 03-29-2008, 10:37 AM
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The car will run the same with or without it. Not better nor worse. I didn't pop codes with my air delete.
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Old 03-29-2008, 10:47 AM
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so with no cat on my car...it's doing absolutely nothing? guess thats comin off with the egr when the new headers go on!
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Old 03-29-2008, 11:15 AM
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Originally Posted by throttlejunkie1
The car will run the same with or without it. Not better nor worse. I didn't pop codes with my air delete.
Mine didn't RUN better, but it sure as **** idled 100x better. Felt like a new car, was very weird.
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