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Tuner in Training
Fully Built Big Turbo & Cammed 2018 Ford Focus RS 2.3L
hello, I primarily do not tune ford but if I do its a mustang so this is new to me. Im having trouble getting this car to run right. if anyone is willing to lend a hand please let me know! Thank you!
mod list: stroked to 2.5L
2618 pistons
2.5L H Tuff Rods
85Lb valve springs
piper cams B285
balance shaft delete
Garrett GTX3584RS Gen 2 Turbo
Twin Tial MVS wastegates
Tial sport BOV
3in downpipe w/ highflow cat
3.5IN intake W/ 4IN air filter
Turbo bypass valve control solenoid delete
Step colder sprak plugs
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Advanced Tuner
Post tune and data logs as well as specific issues that you are having
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Advanced Tuner
Also be helpful to know what if anything was done to the fuel system, a GTX 3584 is pretty big for a stock fuel system.
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Tuner in Training
i dont have a tune made as i dont really know where to begin.
the issue i am having though is rough idle. Commanding .65-.80 lambda at idle, breaking up during light acceleration.
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Tuner in Training
its stock fuel system with port injection added with its own controller for the injectors. but this is currently not plugged in until i can get it to idle and cruise properly
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Tuner in Training
stock1.hptwtf is going on.hpltuned.hpt
here is the stock file
a log
and a "tuned" file of me just messing with some settings.
also this is the Mountune Focus RS
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Tuner in Training
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Advanced Tuner
Just a guess is that the cam and high displacement is probably throwing off idle VE calculations, will probably have to find the mapped point that idle uses and use the speed density calculator to add some fuel in the right areas.
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Advanced Tuner
Needs the engine size changed to start with, and that cam is gonna be another issue getting dialed in. Also, are the injectors stock ? If not, then those are gonna need attention too. I'll get a look at your files later, I need to get to work, but I'll see what I can find when I get a minute.
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Advanced Tuner
I took a look at the tune you posted and the data log. You got some weird stuff going on that makes no sense, I,m not seeing any boost, and your air flow is way off for a charger that size. I'll have to look at it more, but I've got other stuff gong on, so it might be a while.