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AIR system
Re: AIR system loose a little weight if you remove the smog pump...clean up the look of the engine bay...might see slight gain from weight reductipn and parasitic loss from the belt....
gettin ready to remove mine next weekend...need to figure out the new belt length....
gettin ready to remove mine next weekend...need to figure out the new belt length....
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Thread Starter
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Re: AIR system so when i take it out, what all needs to come out? and where can i buy block off plates? i am gonna take out the egr also im thinking. any power gains. i know it wont be a lot if any but i was just wondering if maybe about 5hp or so lol every little bit counts
11 Second Club
Joined: Oct 2002
Posts: 1,400
Likes: 0
From: NY,CT & MA
Re: AIR system dont count on gaining power man... although if you havent already cut the tube part of the EGR that goes in the intake you will see better airflow into the intake .... so yeah maybe something there 
Re: AIR system You can order the plates for the AIR and EGR from Thunder Racing, Not sure if i would say HP gains, for me it was better flow, less chance of leaks and a cleaner setup,easier to work on the engine, change plugs etc..
I changed mine out mostly because i fought my EGR tube and my intake for a long time and was always getting leaks at the intake.It is really a crappy setup and GM must have relized it when they changed the intake's after 00.
I changed mine out mostly because i fought my EGR tube and my intake for a long time and was always getting leaks at the intake.It is really a crappy setup and GM must have relized it when they changed the intake's after 00.
Thread Starter
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Re: AIR system so i take it there is no set back to taking these off....its just when inspection time rolls around im gonnahave to hook it back up right? lol but hey thats only 1 time a year....and yeah i didnt expect any power gains, but i mean that would be nice lol
Thread Starter
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Re: AIR system and what all needs to come out? the egr is simple. and he air pump well i knwo the pump and the tubes that run to the manifolds, anythign else? and the block off plates...does taht take care of the part on the intake too or just the exhaust. if its just the one on the exhaust how do i take care of the hole on the intake?
Re: AIR system You'll need a blockoff plate for the intake too, unless you want to switch over to the LS6 intake as I did and many others. It eliminates the EGR plus results in more power especially when you start doing more mods. Ive read somewhere on here about a new intake constructed of the same material as the LS1/LS6 intakes, but Im not sure if theyre out yet and if so, if anyone is using them. LS6 intake is a good upgrade and wont need to worry about a sheetmetal one until youre running BIG cubes! Hope this helps.
Teching In
Joined: Aug 2003
Posts: 4
Likes: 0
Re: AIR system I would not diconnect a.i.r or egr. No horse power will be gained from removing it, only ses lights. EGR removal will result in same ses light and a reduction in gas milage at part throttle light load (highway). EGR system is not active during WOT. Beleive it or not EGR systems cool the combustin chamber during light load.
Thread Starter
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Re: AIR system well i was planning on having the 2 deleted out of the computer. i at least wanted the AIR out, if it is there to heat the cats and i dont have cats then why would i need it? i wouldnt need it right? and that shouldnt effect anything?
Re: AIR system If you arent going to be running cats and if you are going to get both of them deleted out of the PCM, then go for it! I had my EGR deleted when I installed the LS6 intake and I never got an SES light since. I dont know if it has any affect on the emissions, but if I was to guess, the AIR would because you would then need the cats, then for them to work properly, the AIR would have to be in use.