Godspeed;1134360 said:so then is this natural to happen without the egr system? i actually did read this but i still wanted to ask... so will it do this until i get the egr put back on it?
Poodles;1134383 said:If one person can tell me a good enough reason to ditch EGR on a car without a standalone, I'd like to here it...
And I'll restate this, a piggyback isn't enough control as it's fuel AND timing that are the issue. Can you get away with it? Sure, is it a good idea? Not really...
grimreaper;1134391 said:Would the maftpro be considered good enough to go egr less? Assuming part throttle tracking is used...
Poodles;1134398 said:Last I knew it didn't have timing control...
It's aggressive timing coupled with less fuel when the ECU is expecting the EGR to be open. As most piggybacks trim fuel using the AFM signal, timing can't be controlled independantly and can cause issues.
Someone will probably argue with me, but this is strictly my opinion that most cars that the main difference between the MKIII crowd and the MKIV crowd is that they go standalone and get good tuning before we do...