emj2006

iTrader: (5)

What exactly are the advantages and disadvantages of deleting AIR and EGR? Wouldnt it be more reliable to keep the AIR and EGR? EGR keeps the intake temperatures lower right?

infinitebird

iTrader: (11)

Deleting the AIR gets rid of a ton of **** in the engine bay and looks cleaner, makes it easier to work on things etc.

There's not really any reliability gains from keeping either I don't think. Some people think keeping the egr is better on a stock motor because it was designed that way, not sure if that really is the case though. Plenty of people have deleted it and had no problems.

And no it doesn't keep the intake temperatures lower, it actually raises them because it mixes the hot exhaust gases with the cooler intake air.

rkjp

Me too, I've got both turned off in my swap. But I want to know what others have done.

landstuhltaylor

iTrader: (6)

The only time the AIR system operates is on start-up to light off the cats quicker, so it's not like you're going to miss it. It gets rid of that big hunk of **** on the front of the motor and who doesn't love that?

Revelation Z28

iTrader: (10)

also, i dont know why the hell they even created AIR because its not like you are gonna smog the car on cold starts.

94 F-body

iTrader: (1)

--X2--

nighthawk15

Pros: Cleans up your engine bay and gives you a ton more room to work.

Cons: Unless you need to pass a sniffer test there are none.

BTC

Isn't EGR also supposed to increase gas mileage?

transamsam98

iTrader: (56)

how do you remove it and exactly what are you removing? anyone have a write up on this and and all help is apreciated.

emj2006

iTrader: (5)

Do you need to program your PCM when you delete AIR/EGR??

Rocky70304

iTrader: (4)

+1 for removing both, as long as you reprogram the pcm (yes u have to) you won't have any driveability problems with it, your will have tons of extra space. I had mine done, and passed TX emmissions with no problems.

emj2006

iTrader: (5)

What would happen if you dont reprogram the pcm??

Formula350

iTrader: (3)

Pro: My car idled sooo smooth after I deleted the AIR.

Con: Yet to find one.

jasonp31

The EGR system is supposed to help with detonation in the cylinders too.

Research shows that when exhaust gas is dumped back into the cylinder, it dilutes the combustion mixture. (displaces oxygen) This results in a lower cylinder temperature. To look at it another way, dumping exhaust gas into the cylinder is affectively retarding your ignition = less cylinder temperature.

Just some food for thought.

jasonp31

http://www.ias.ac.in/sadhana/Pdf2004Jun/Pe1131.pdf

For you technical people, this is a great article on EGR function and how it affects combustion.

otherwhitemeat

iTrader: (3)

great taste less filling

kinglt-1

iTrader: (26)

I would have to agree that deleting the egr might increase the chances for kr or detonation. Stock tune and stock motors should keep the egr! If you tune the car With out it, then I see no problems. As for the A.I.R, it's bullshit. All it is just a electric air pump that pumps fresh air into the exhaust in open loop to pass emissions. I would remove it, unless you live in CA or somewhere that has strict emissions laws.

SLawson86

iTrader: (8)

the purpose of the egr is to decrease NOx emissions and keep combustion chamber temps cooler.

Enforcerws6

iTrader: (1)

You do realize that the article was written for diesel engines not gas don't you?????

bricez28

i just got pacesetter lt's and i deleted them both.