Gains from removing AIR and EGR?

**GottaHaveLS1** · 08-13-2007, 10:28 AM

I'm putting in new headers soon and i'll have the opportunity to have all my codes deleted so I was thinking of getting rid of these emissions systems. I don't have race style headers so i'll have to order some block off plates. The EGR doesn't look like it would be hard to take out but the AIR system runs to the back of the intake manifold. What have you guys done? any tips? Could more rwhp be gained by removing these things?

**9t8z28** · 08-13-2007, 11:16 AM

The A.I.R. runs to the exhaust manifolds not the back of the intake.

**BlackLT1Z28** · 08-13-2007, 11:48 AM

You won't really see any gains because those systems are shut down at WOT.

**GottaHaveLS1** · 08-13-2007, 12:11 PM

Originally Posted by BlackLT1Z28

You won't really see any gains because those systems are shut down at WOT.

oh ok, i might just get rid of the EGR then, cuz i'll get the ls6 intake someday and i don't want to have to pay twice to have my codes deleted.

**lopezog** · 08-13-2007, 06:58 PM

i sold my stock 01 ss coulndt make the payments . but just bought a 1994 z28 auto with 91000 miles and i was impressed that it does go almost like my ss. got a Q WHATS THE BIGGEST DIFFERENCE BETWEEN THE LS1 AND LT1 THE FEEL REALLY close . it felt nice that with this 94 i already smoked a few mustangs and cant forget bout the pain in the butt imports.go chevy

**LS1formulafreak** · 08-13-2007, 07:04 PM

if theyre close, with 91,000 on the LT1, then you either have a bad memory of ss speed, or that LT1 has work done to it...night and day difference in my opinion between the engines

**MikeSomething** · 08-15-2007, 11:47 AM

The difference between LT1's and LS1's?...Here:

LT1's have an iron block, and not a whole lotta top end.

Originally Posted by 9t8z28

The A.I.R. runs to the exhaust manifolds not the back of the intake.

He's probably talkin about where the two hoses run to the tee fitting behind the manifold.

**GottaHaveLS1** · 08-15-2007, 11:48 AM

Originally Posted by lopezog

i sold my stock 01 ss coulndt make the payments . but just bought a 1994 z28 auto with 91000 miles and i was impressed that it does go almost like my ss. got a Q WHATS THE BIGGEST DIFFERENCE BETWEEN THE LS1 AND LT1 THE FEEL REALLY close . it felt nice that with this 94 i already smoked a few mustangs and cant forget bout the pain in the butt imports.go chevy

what does this have to do with my thread?

**BlackLT1Z28** · 08-15-2007, 11:52 AM

Originally Posted by GottaHaveLS1

what does this have to do with my thread?

No shit. That was out of left field.

**GottaHaveLS1** · 08-15-2007, 03:10 PM

Originally Posted by MikeSomething

He's probably talkin about where the two hoses run to the tee fitting behind the manifold.

That's what i'm talking about. but I don't think i'm gonna remove it anyways

**yellowv** · 08-15-2007, 08:33 PM

Get rid of both of them especially if you can get the codes deleted. I got rid of both of them on my car in less than an hour. Makes the engine bay look a lot cleaner.

**35thAnniZ28** · 08-18-2007, 01:53 AM

Originally Posted by yellowv

Get rid of both of them especially if you can get the codes deleted. I got rid of both of them on my car in less than an hour. Makes the engine bay look a lot cleaner.

it surely does

**mbrownin** · 08-18-2007, 06:33 AM

Originally Posted by yellowv

Get rid of both of them especially if you can get the codes deleted. I got rid of both of them on my car in less than an hour. Makes the engine bay look a lot cleaner.

+ 2

**SS-Power** · 08-18-2007, 07:08 AM

Originally Posted by MikeSomething

The difference between LT1's and LS1's?...Here:

LT1's have an iron block, and not a whole lotta top end.

He's probably talkin about where the two hoses run to the tee fitting behind the manifold.

**kebie05** · 09-01-2007, 10:04 PM

how do you get he codes deleted if you put on race headers?

**NvyBluMtlc02WS6** · 09-02-2007, 08:06 AM

Originally Posted by kebie05

how do you get he codes deleted if you put on race headers?

You either have to buy or know someone with a hand held tuner to delete the codes. Be better to get a tune that way you get the maximum benefit from the headers and also get the the codes deleted. On another note, deleting the EGR and AIR wont give you any power addition. It will just reduce some weight and clean up the engine bay.

**Heartbreak1** · 09-02-2007, 09:37 AM

Originally Posted by NvyBluMtlc02WS6

You either have to buy or know someone with a hand held tuner to delete the codes. Be better to get a tune that way you get the maximum benefit from the headers and also get the the codes deleted. On another note, deleting the EGR and AIR wont give you any power addition. It will just reduce some weight and clean up the engine bay.

Its well worth it tho for that extra room.

**Castle** · 09-02-2007, 11:39 AM

Originally Posted by MikeSomething

That's Hawt!

**Toes** · 09-02-2007, 11:49 AM

+1 to just get that crap out of the way! zero for performance gain.

**kebie05** · 09-02-2007, 12:29 PM

i didnt know anything got removed from the engine bay i just thought some functions were turned off going to the headers. does any one have abefore and after pic so i can see what all changes. so if i do a dyno tune after the headers, they will be able to turn off the ses light from the codes? thanks