Thirteenth Gen F150 - 2nd Gen Ecoboost HP Tuners Thread
#22
Senior Member
I log rpm, speed, load, spark timing, mct, ect, and iat on every log. Beyond that it’s very specific to what I’m trying to accomplish/solve at the time. You want to log the least number of parameters possible because it slows down the data rate.
#24
Senior Member
For knock timing tuning I’d need to understand how the tune is set up. I’d assume it’s using octane adjust but I’d need to know if it’s global or per cyl retard, if per cyl then how is the sdlf table set up? And is the timing hitting cylinder pressure limits?
At any rate, I’d be logging what I posted above plus spark source, cylinder knock retard for all 6, borderline timing, mbt, and the oar.
The more channels you log the most the data rate slows down so log the minimum possible to do what you’re trying to do.
At any rate, I’d be logging what I posted above plus spark source, cylinder knock retard for all 6, borderline timing, mbt, and the oar.
The more channels you log the most the data rate slows down so log the minimum possible to do what you’re trying to do.
#25
My current tune runs really strong. My boost curve looks pretty good for the LSPI high table. I've left the low table stock, in case I get bad fuel.
The log files follow this curve and stay flat until about 6k rpm, which I'm cool with, since I'm not trying to over rev the engine.
The log files follow this curve and stay flat until about 6k rpm, which I'm cool with, since I'm not trying to over rev the engine.
#26
For knock timing tuning I’d need to understand how the tune is set up. I’d assume it’s using octane adjust but I’d need to know if it’s global or per cyl retard, if per cyl then how is the sdlf table set up? And is the timing hitting cylinder pressure limits?
At any rate, I’d be logging what I posted above plus spark source, cylinder knock retard for all 6, borderline timing, mbt, and the oar.
The more channels you log the most the data rate slows down so log the minimum possible to do what you’re trying to do.
At any rate, I’d be logging what I posted above plus spark source, cylinder knock retard for all 6, borderline timing, mbt, and the oar.
The more channels you log the most the data rate slows down so log the minimum possible to do what you’re trying to do.
#27
Once we get enough solid data, I'd like to add links to the first post so that folks can just click a link to the post that is applicable to them and they can start to read about the complex Eco tuning process. This will be a work in progress.
I do not plan to just post everything from the tuning courses I paid for.
I do not plan to just post everything from the tuning courses I paid for.
#30
Senior Member
iTrader: (1)
It's very easy to max out the DI fuel system and have the fuel rail pressure to drop below the desired pressure. Monitoring the Fuel Pump Command DC will allow you to see how close you to maxing out the DI fuel system without monitoring the actual and desired pressures. Motioning all the different mapped points that your truck uses is important when adjusting the spark tables, but when I'm not looking to make spark adjustments I don't log them. Inferred Octane and Knock Octane Modifier are the same thing just presented differently, so you only need to log one of the two.
When you you start to get into wastegate tuning or trying to figure out why you aren't hitting the amount of boost you'd like to, the following PIDs are helpful: TIP actual, TIP desired, Load, Desired Load, Electronic Wastegate Command, Manifold Charge Temp, Intake Air Temp, Turbo Exhaust Mass Flow Estimated, Turbo Desired Mass Fraction Exhaust Flow, Intake Manifold Absolute Pressure
You can spend a lot of time tuning the wastegate desired canister pressure table, but keep in mind that it will never be perfect under all conditions. A long pull in single gear will look very different from a pull through the first 5 gears. In certain conditions you may only have the throttle open 53°, but under other conditions it may be fully open and not achieving your desired TIP despite using the same cell in the wastegate desired canister pressure table. I would only make changes after looking at several pulls, making changes based off of a single pull could lead to you chasing your self in circles.
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KennyCJR (03-07-2024)