Hi all,
So I'm a weekdown he rabit hole and just completed a 1400 get to know each other trip with a Dodge 2500 4x4 rebuilt Auto Trans and Built Cummings. Hamilton Cam and oversize pushrods, FASS, ARP Head Studs... A real beast. So it has an Edge with Attitude on it and a Smarty.
When I complained about the smoke he detuned the Edge and left it on for EGT monitoring and So on and then we put the Fuel economy tune on with the smarty. Did I mention that it has new 50 HP injectors installed? So any throttle in Overdrive will produce the most coupes amounts of smoke. Loose sight of lanes of Traffic Smoke. 18 wheelers will honk at you because they can see through the fuel. I've been running Empty thank goodness I wasn't Towing...
So from what I can tell these tuners are an open loop tune. No feedback from the exhaust? In a Gas engine the O2 sensor monitors an supplies feedback to the fuel system. All these diesel have is EGT and Boost to monitor. More of an Open loop arrangement. So what i think is happening is the tuners are thinking that they are talking to stock injectors and telling them to RUN man RUN, but in reality they are talking to the 50+ HP Injectors and telling them to RUN Man RUN and they are to the point that more fuel is fed than can possibly be used and comes out the tail pipe and Thick Black smoke.
And if any of you were following me out of Renton today on the 405 I'm sorry I didn't drop out of overdrive sooner. I was distracted by my phone. Looked up and had 2 lanes that you couldn't see. If I don't do something I know that they is a fix it ticket in my future.
Thanks all
Michael
So I'm a weekdown he rabit hole and just completed a 1400 get to know each other trip with a Dodge 2500 4x4 rebuilt Auto Trans and Built Cummings. Hamilton Cam and oversize pushrods, FASS, ARP Head Studs... A real beast. So it has an Edge with Attitude on it and a Smarty.
When I complained about the smoke he detuned the Edge and left it on for EGT monitoring and So on and then we put the Fuel economy tune on with the smarty. Did I mention that it has new 50 HP injectors installed? So any throttle in Overdrive will produce the most coupes amounts of smoke. Loose sight of lanes of Traffic Smoke. 18 wheelers will honk at you because they can see through the fuel. I've been running Empty thank goodness I wasn't Towing...
So from what I can tell these tuners are an open loop tune. No feedback from the exhaust? In a Gas engine the O2 sensor monitors an supplies feedback to the fuel system. All these diesel have is EGT and Boost to monitor. More of an Open loop arrangement. So what i think is happening is the tuners are thinking that they are talking to stock injectors and telling them to RUN man RUN, but in reality they are talking to the 50+ HP Injectors and telling them to RUN Man RUN and they are to the point that more fuel is fed than can possibly be used and comes out the tail pipe and Thick Black smoke.
And if any of you were following me out of Renton today on the 405 I'm sorry I didn't drop out of overdrive sooner. I was distracted by my phone. Looked up and had 2 lanes that you couldn't see. If I don't do something I know that they is a fix it ticket in my future.
Thanks all
Michael