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

Pacesetter LT's with AIR/EGR or race?

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Old Oct 27, 2008 | 10:16 AM
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78Z28350's Avatar
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Pacesetter LT's with AIR/EGR or race?

My car is completely stock right now but my plans now that I'm gonna have it off the road for a while are coated pacesetter LT's, dual 2.5" exhaust, and just a CAI for now. I'm ready to buy my headers so i can put them in to have my duals done. I found a good deal on them from speed engineering now I'm wondering, should I get the race version or the ones with all the fittings? What difference does it make other than cleaning up my engine bay? I thought about removing the AIR pump even though it has no effect. What else does the race version eliminate EGR? I'm just worried that if i get the race headers I'll have a lot more work to do. Any advice on what to do here?
Old Oct 27, 2008 | 11:15 AM
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if emissions are not an issue you can get the race version.
Old Oct 27, 2008 | 11:47 AM
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no performance gains in deleting air and egr, but if you don't need to pass emissions, then i would do it. It really cleans up the engine bay and drops a few pounds of weight as well. Plus, since you have an OBD-1 car, you won't throw any codes. deleting AIR and EGR is really easy. Just buy some EGR block-off plates on ebay and thats it.
Old Oct 27, 2008 | 12:22 PM
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You don't need air or egr to pass emissions.
Old Oct 27, 2008 | 12:51 PM
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Emissions is not a problem for me. So I should get the race headers and take out the AIR and EGR and buy a block off plate for the, intake?
Also what about the O2 sensors?
Old Oct 27, 2008 | 02:08 PM
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Originally Posted by 78Z28350
Emissions is not a problem for me. So I should get the race headers and take out the AIR and EGR and buy a block off plate for the, intake?
Also what about the O2 sensors?
what about the o2 sensors?
Old Oct 27, 2008 | 03:13 PM
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personally i chose the emissions style since my 96 is a driver for all occasions. there is NO need to remove the tubes,no proven performace sacrifice!
Old Oct 27, 2008 | 05:17 PM
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Originally Posted by MTBSully
what about the o2 sensors?
Yeah what about them? I dunno are they in the same place or do I have to get wire extensions?
Old Oct 27, 2008 | 07:19 PM
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I thought that it would still throw the codes if you don't tune the computer even if its OBD1? If that's the case then will it throw codes on the OBD1 hybrid found on some 95 cars?
Old Oct 27, 2008 | 08:30 PM
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you need a 12" and a 24" o2 extension. another thing you can get on ebay.

OBD-1 will not throw a code as long as you leave the EGR solenoid (on the DS back of the intake, its a green plug) plugged in.
Old Oct 29, 2008 | 09:11 AM
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Nice, probably going to order the race version soon while the sale is good and get them in, then worry about taking all the crap out.
Old Oct 29, 2008 | 09:43 AM
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Buy the automotive wire at walmart and make the extensions yourself, its not hard. Took me about 20 min per 02.
Old Oct 30, 2008 | 03:07 PM
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Wait just a minute if I'm going to have no cats, then what do i do with the O2 sensors?
Old Oct 30, 2008 | 03:16 PM
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Originally Posted by 78Z28350
Wait just a minute if I'm going to have no cats, then what do i do with the O2 sensors?
You put them in. The engine still needs them to run. You will also need your car tuned for no EGR and AIR, and for no cats.

Originally Posted by RUDEDOG
You don't need air or egr to pass emissions.
It depends on where you live and the emissions laws there. In CA, you will fail inspection for missing both of those, and you will most likely fail the sniffer with no EGR.
Old Oct 30, 2008 | 03:39 PM
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Originally Posted by 78Z28350
Yeah what about them? I dunno are they in the same place or do I have to get wire extensions?
You can get extensions, or splice into your wires, pacesetter gives you everything you need to splice the wires, atleast in my long tube race headers they did.



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