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Message: [QUOTE="Dzchey21, post: 1116432, member: 63"] Yeah there are perameters for that. I think its like 1300 miles and it will do one no matter what. During the summer my truck rarely does an active regen since its hooked to my camper most of the time. I thought that too, so did morgan. I have been monitoring it but i honestly didnt pay close enough attention before the turbo swap. I just drove it. DOC outlet stays around 550 degrees, DOC inlet fluctuates but averages 500 degrees hince the 550 DOC temp. So you might be onto something. but I cant verify that for sure. Thats about what mine is doing now. I think the 6.7s will eventually throw a DPF efficiency code if they regen too many times in a certain amount of miles I have read more about lambda sensors then i ever care to know about lol. There are two different tables, dynamic and normal, dynamic must be during a regen. The problem is the readings that i get don't really add up to what i see as far as the tuning side goes as well as what is a true A/F ratio. so either the date that i read isnt accurate or the scale is something different. For example the tuning calls for lambda to control smoke, the tables are around 1.2 and vary to .91 and 1.38 throughout the table. However while driving the sensor reads .56 lugging the engine and 1.2 at idle in gear and 1.3 in park. So clearly the translation is different. THey are also using the sensors post dpf, so i have a feeling that that effects the reading. I was going to put a lambda sensor in the down pipe and watch it from my dash daq but now that drew tech doesnt own the dashdaq anymore i can not get support. So... bummer. The other big issue im having is nothing i have reads all the right info mini max reads boost, back pressure, pw and ICP, calculated torque Dashdaq will read all temp sensors in the exhaust lambda and pressure sensors. but wont read PW or a good torque (which is what i need to help along with the tuning) My auto enginuities is pretty much worthless, so i really dont have one thing i can use to data log or take info from which irritates me. And i cant swing IDS. Im not giving up, the plan right now is to try and hit 600 with this turbo and a drop in pump and then put the dpf back on and see what happens. Right now i have the pump maxed out at 1300 us, there is no smoke even at 28 psi. feels like 500 ish at the wheels, super super fun to drive. [/QUOTE]