Compression Ignition Addict
Join Date: Jan 2012
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Well just start going through the 6.4 threads and you will quickly see that deleting the DPF and CAT will greatly increase the the reliability and longevity of the truck. This will require a tuner and delete pipes however that will void your warranty if left on while at the dealership and they flag you. Some dealerships are lenient however and can let it slide....
I would think the next major issue lies within the EGR system. This recirculates hot exhaust(soot) back through the EGR valve and into the intake to go back through the compression cycle. You can read EGR delete threads on here that talk about the large amounts of nasty soot cake built up on the insides of the intake manifold that is almost impossible to remove with out taking the manifold off. The soot mixes with the crank case return vapor to make a muddy black soot coating that can get very thick and nasty. This is what can end up going back through your motor. That is why EGR deletes are put on the truck. This also however will void the warranty and takes a tuner to shut it off so no codes are thrown within the truck.
Your truck will thank you though for removing all these restrictive devices even though they are 1)Illegal 2)warranty voiding. You will see that guys on here, such as myself, have a lot of warranty left yet chose to remove for the sake of the engine. I want a truck that will last a long time so thats why I did it.
Going back to the DPF, stands for Diesel Particulate filter. It catches the exhaust after it goes through the CAT. Every couple of hundred or so miles it goes into Exhaust regeneration. Additional fuel is dumped into two of the cylinders to super heat the exhaust to burn off the built up soot inside the DPF filter. This high heat puts a large amount of stress on the motor and other vital "Organs" such as the turbo. You will read that guys on here have been "Deleted and Tuned" for MANY trouble free miles where as some that arent deleted have had many issues. Coincidence? Maybe I dont know....Just think of it like you are trying to breathe in and out through a straw, very hard. Remove the straw and you can function so much better. Same concept with the truck and the DPF and CAT. Take a look at my thread that I started that shows pictures of the inside of the CAT and DPF, you will see why it is very hard to flow through(They call it a honeycomb on the inside). I find that the super duty trucks have wonderful interiors and have a bad A looking exterior. These trucks, when the maintenance is taken care off properly will treat you and your wallet very nicely. This is a little hint at the types of things you will find out by reading this forum. All of the guys on here are very welcoming and helpful. I had questions just like you did when I first joined and through digging and asking the vast majority get answered quickly and accurately.
Does anyone agree with what I said, or disagree? Or want to make corrections? I think what I have said is fairly accurate, correct?
*2009 F-250 CCSB Fx4 *Ranch Hand Front and Rear Replacement *Blue LED's shining on front and back floorboards
*Zebco 33 Mod *H&S Black Maxx *Diamond Eye 4" *aFe and custom airbox *Color matched side vents *Home-made Coolant Filter *Fumoto oil valve
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