blocking the EGR

[Blown&Injected]

I am not trying to start a fight or be funny. I really wish to learn what's up. I do have faith in formal education. I do however like the myth thread that has been getting lots of replies.

I have milled away the ERG tower/plumbing inside the intake to the floor of the intake but my EGR is still working - just discharging on the floor of the intake not is the flow of the throttle body. It seems like no mess in the intake would be the way to go but I am not an expert on this ERG thing

Looks like the EGR only gets exhaust from the number 3 cylinder - seems like it would change things for that one cylinder???

 

[soundguy]

no problem from just the #3, its exhaust so it happens after the exhaust valve and everything happens inside the chamber.
Ya, I had the time the egr is active backwards (happens when ya post after working 14 hours). Like I said earlier, mine is completely gone and I'm running 18psi on 93 octane with 0 knock or adverse effects. One thing you may wanna do is talk to someone like Eric from TurboTweak. He's burned probably hundreds of chips for us. If he's had any customers complaining about their car running bad with the egr disabled in the chip, he'd know about it.
The basic principle of the egr is that since you are bringing exhaust gases with no oxygen into the combustion chamber with the fresh air, you are lowering the amount of available oxygen to burn which will in turn lower the combustion temperature. Think of a torch, the flame gets hotter when you turn on the oxygen, and colder with none. Since you now have less burnable gasses in the chamber, this lowers hydrocarbon and other emmisions. There is some basis for the claim that the motor will last longer with this cause you are lowering combustion and exhaust gases you also lower the operational temperature of the engine. But if the engine is running properly, the small difference in temp shouldnt be noticeable at all.

 

[Ormand]

The EGR cools combustion during cruise. At MOST schools that teach about engines, they tell you that the heat produced is pretty much proportional to the power being produced. So, when cruising, the engine is at WAY less than full power, and is not going to get very hot. The EGR allows a small amount of exhaust gas to go back into the intake, which reduces the amount of NOX produced. But the chip advances timing a little, to allow for the slower combustion. If you eliminate EGR, and don't have a chip set up for "no EGR", you might get a little part throttle knock. It's not nearly as bad as detonation under boost, but it is irritating. And if you don't have the right chip you can get a code set from removing the EGR solenoid.

 

[VadersV6]

I think my EGR valve is causing some issues. I'm not running any vacuum line to the EGR diaphragm, but thats ok cause I run an extender chip. Thing is, if the car is idling, and I pull up from underneath on the diaphragm...even one millimeter, the engine starts bogging down and running really bad. In fact, it always has had a rough idle, and Ive fixed EVERYTHING related to a rough idle. I think something with that EGR is on the edge of working right and is causing my idle problems. The diaphragm doesnt leak. There are no leaks where it mates to the intake.
I want to delete the valve, but Im concerned with how its done properly. You cant just go and stick a plate on it, right? You're opening up that #3 exhaust port to the intake, so just sticking a plate on it will be like having EGR, big time, all the time. Can someone tell me how this has to be done? Are there EGR block off plates that have a bar (like the EGR valve) that slips into the EGR hole and blocks it?

 

[nailheadpowered]

Hey Vader,

What i did and its a bit extreme was i had the heads filled when i replaced my headgaskets, they used a ceramic epoxy that dries hard as metal and i then left the egr on the intake just for looks just incase it needs to pass a visual as im in california so it looks complete but inside is blocked off that way all of those hot gases etc stay in the heads and dont get into the intake. Like i said i did mine when the heads were already off. good luck.