LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

AIR and EGR delete?

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Old 04-12-2008, 11:27 AM
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What kinda headers does everyone have? Did yall delete yalls egr/air.... But don't yall agree with me why pay for a tune if all it does is turn ur SES light off
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Old 04-12-2008, 11:30 AM
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The tune will do more than just turn off the light. With the SES light on, the fans will run constantly, among other things. If you get a full tune the car will run better.
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Old 04-12-2008, 12:22 PM
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Originally Posted by camarostripe96
What kinda headers does everyone have? Did yall delete yalls egr/air.... But don't yall agree with me why pay for a tune if all it does is turn ur SES light off
A mail order tune on a totally stock engine will typically produce a gain of 10-15HP, simply from leaning out the over rich PE mode (WOT) target A/F ratio the factory programmed. You have to decide whether that, plus not having to stare at the SES light, is worth it.
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Old 04-12-2008, 01:51 PM
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i know but if i get headers with the egr/air hookups , will the light still come on with the ory pipe
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Old 04-12-2008, 03:19 PM
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On your OBD-II 96, with no cats, you have three choices:

-find a set of O2 "sims" to replace the after-cat O2 sensors

-have the after-cat sensors "tuned out"

-live with the code and the SES light
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Old 04-14-2008, 01:42 PM
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ok so delete the air/egr or keep them on the headers? need to know today
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Old 04-14-2008, 01:53 PM
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Originally Posted by camarostripe96
ok so delete the air/egr or keep them on the headers? need to know today
Wow, I didn't even notice that this wasn't your thread.

Its your choice, clean up the engine bay and deal with the SES being on (assuming you don't get a tune), or leave it and nothing changes.
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Old 04-14-2008, 01:54 PM
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Originally Posted by camarostripe96
ok so delete the air/egr or keep them on the headers? need to know today
Its your call, Injuneer presented you with the fact of what will happen with the ORY y-pipe and on top of that, you will get additional codes if you remove the AIR and EGR. PCM tuning will get rid of the codes and you will have to have EGR blockoff plates as well, none of which is a big deal.
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Old 04-14-2008, 02:02 PM
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Ok So What Do U Prefer?
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Old 04-14-2008, 02:10 PM
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If you have the money for the block off plates and don't mind the ses light...free up some space.
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Old 04-14-2008, 02:15 PM
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I Already Have The Block Off Plates...i Just Didnt Know If Deleting The Egr/air That It Was Gonna Make **** Knock Or Mess Up Or Something Like That U Know
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Old 04-14-2008, 02:19 PM
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Originally Posted by camarostripe96
Ok So What Do U Prefer?
Having the race headers will allow you to have the AIR and EGR systems removed. The EGR is not noticable, but having the AIR removed cleans up the engine bay some. Considering the AIR and EGR accessories do not rob any power anyhow, it is hard to steer you in any given direction.
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Old 04-14-2008, 02:32 PM
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Well Is It Easier Putting Headers On With The Egr/air Hookups Or Is It Easier Putting Race Style Headers On?
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Old 04-14-2008, 02:41 PM
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Originally Posted by camarostripe96
Well Is It Easier Putting Headers On With The Egr/air Hookups Or Is It Easier Putting Race Style Headers On?
I would say it is not going to matter all that much. I would guess the race headers would take a little more time to install as you would have to hack out the AIR pump, AIR lines, the EGR equipment, and then install the EGR blockoff plates. In the grand scheme of things, it is not going to matter all that much.
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Old 04-14-2008, 02:55 PM
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What Do U Have? Race Style Or Egr/air Headers?
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