to remove or not to remove
03-18-2005, 05:40 PM
#1
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to remove or not to remove Was wondeing, what did GM do the 01s and 02s that they don't need the AIR or the EGR? Would I lose anything from removing them off of my 98?
Thanks
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03-18-2005, 05:55 PM
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01-02s do have AIR. It's the EGR that they don't have. Because the cam shaft on the 98-00 models was a tad more agressive GM had to use the EGR to comply with emissions. In 01-02 they got a milder camshaft that didn't require EGR but they did get the LS6 intake. To answer your Q.... you won't gain or lose anything (performance wise) by removing that crap. You might lose a couple of pounds and will make spark plug changes easier. your engine bay will also look cleaner too.
03-18-2005, 06:15 PM
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Originally Posted by ddelallata
01-02s do have AIR. It's the EGR that they don't have. Because the cam shaft on the 98-00 models was a tad more agressive GM had to use the EGR to comply with emissions. In 01-02 they got a milder camshaft that didn't require EGR but they did get the LS6 intake. To answer your Q.... you won't gain or lose anything (performance wise) by removing that crap. You might lose a couple of pounds and will make spark plug changes easier. your engine bay will also look cleaner too.
03-18-2005, 06:37 PM
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Yeah, I would wait until you install the manifold to take the egr off though. Or you can just get a blockoff plate for it. Same for the air, just take it off and get a blockoff plate as well.
03-18-2005, 08:03 PM
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Originally Posted by twocam99
But what about the AIR? Keep it?
are you keeping your cats? The AIR is there to pump fresh air to maximize the efficiency of the cats for a few minutes after start-up then it turns off.
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03-18-2005, 11:30 PM
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Originally Posted by psykoTA
Just like to say, I read on here that there have been those that experienced detonation from removing the EGR...
It seems you are able to add more timing with EGR system so i have heard.
03-19-2005, 07:14 PM
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Originally Posted by 87GMC
It seems you are able to add more timing with EGR system so i have heard.
