Has anyone tried the mod yet???
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I am finding setting the switch 20 or 21mmHg is more of what the computer is looking for to not throw a code.
Has anyone else successfully accomplished this mod? |
This is interesting... Just read it for the first time. For the EGR, why not leave all the wiring and controls in place and simply fab up a blocking plate like we do for the TDI's and some of the trucks? This would allow the EGR to operate normally, just no gasses enter the intake.
As for the oil vapor, I'm experimenting with a Goldenrod fuel filter that I'm modifying into a condenser. I'm doing it first on my truck because the high boost causes crank case poo to ooze out of all of the joints in the intake system... Should work on the car as well. |
Egr
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Others have suggested plumbing the EGR valve to the air filter instead of the exhaust so that clean air goes into the intake instead of soot. Jeremy |
No that will trigger a code, we tried in on my friends turbo charged 606.
The air filter will bleed off boost, freaking the computer out. The metal plate idea however might work, its probably worth a try. |
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Turbo vs non-turbo
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The blocking plate idea is even simpler. It would be easy to cut out a piece of aluminum and stick in there. If it worked (didn't throw codes) then it could be replaced with stainless steel. Jeremy |
That's what I've done on the TDI's - works like a charm and keeps the crud out of the intake. The computer commands the EGR, it does it's thing but there's no flow. I'm thinking that it would work on the MB unless the engine management system is significantly smarter.
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I think it might work on the 606, heck if you want to try it give me your address and I will mail you a spare stainless steel plate I have. It fits the EGR on my 603 so it should fit yours. Slip it in and report back.
My friend already killed the EGR on his going this more complicated route. |
You actually have a block off plate already cut to the right shape?
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Yeah I pulled it off my 603, when I got one of Brians kits. His plate I buffed to a mirror finish, this one I couldn't because when it was stuck in between the EGR and manifold the exhuast gass's messed it up a bit. Now that the EGR is gone thats not a problem.
But its a cut to fit stainless plate, just need a gasket. I bet it fits the 606's EGR. |
On the 606 turbo the computer must be fooled. There is no need for the blocking plate and it would not fit anyway. My girlfriend is traveling and she has the camera. I will see if I am able to get some pictures soon.
There is nothing to be afraid of. It is easy to put back to normal if you want. |
Some pics would be a big help. I'd love to stop feeding crap to my engine. I guess cutting wires around the MAF makes me nervous. Don't want to replace one! I'm not sure I understand why the plate won't work. Can the computer detect lack of flow?
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When the egr opens via the factory vacuum electric solenoid, the maf detects a .5 voltage drop which is read by the computer. This voltage drop must be simulated at the appropriate vacuum electric solenoid cycles to convince the computer everything is ok.
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After 170,000 miles the crud on the inside of my engine was negligible.
Honestly, I don't know why anyone would bother with this mod. You're better off spending the money on having your injectors cleaned. |
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