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  #154  
Old 12-09-2013
ausdean  ausdean is offline
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Quote:
Originally Posted by supersmalls View Post
Geez, sounds like you got told by this knowledgeable AJOR member to put it back to normal or else. If you did receive an economy improvement why wouldn't you keep it that way?
Not quite matey. He simply took time out of his day to discuss his findings with the same experiments and also say how the egr is integrated into the engine design from the ground up. I did a little research myself too and basically VM Motori know what they are doing better than I do. Including angle of crank when injection occurs with and without egr.

For example to quote VM "In particular, the 1600 bar Common Rail injection system has been equipped with electric piezo injectors which guarantee perfect management of the injection parameters by allowing up to 5 consecutive injections at 230 microsecond intervals" http://www.vmmotori.it/en/01/00/01/dettaglio.jsp?id=56

I like the idea of the GDE tune (i'd love to have a test drive to compare) but I have done no research into it. I am worried whether they can get the injection as precise as VM. I would love to have it to eliminate the egr but don't need more power. If they just did the egr delete and kept all the VM timing I would be interested, when I have the cash.

The egr and butterfly delete exercise I did was free but after my chat and research I was not sure it would pose no harm to my engine. I want to keep it for the next ten years so do want a solution to the egr.

Others may be happy doing the egr delete like I tried and as I said, I have not researched the GDE tune as yet.
  #155  
Old 13-09-2013
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I would imagine that egr allows engine to warm up faster and also allows VM Motari to sell their engines to major countries due to EURO specs and the rest of the eco friendly pro's that egr has to it. Not to mention the pcv re circulation system as well.
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  #156  
Old 13-09-2013
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I think you are right, they just make it to the highest emission specs around so they can sell it to any country without changing anything...
  #157  
Old 13-09-2013
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The major function of diesel EGR is to reduce NOx emissions by lowering combustion temperatures.
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It seemed like a good idea at the time........
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  #158  
Old 24-01-2014
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For the same reason they fit D30's....... need i say more ?
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  #159  
Old 24-01-2014
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Default E.G.R. Disconnect.

Is there a wright up on how to clean out the inlet manifold ,sensors ect , recently bought crd , wouldn't mind cleaning it out , don't think it's ever been done
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  #160  
Old 24-01-2014
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Default E.G.R. Disconnect.

Mal I cannot get the EGR turned off as I have a MY13 but I have had a pro vent fitted since 200 kays. What would be the greater of the two evils?
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