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You can get close to zero but somehow it will never go completely to zero to produce a hefty burp - no matter what ford made sure it wont happen.

There are multiple ingredients to cook this soup:...

you mean shift modulation? Truncation is never used.

You need a custom tune - you have to be more specific on parts used as this is probably a mix of two parts bin

we can help you to go trough this - its a paid service but you will end up happy.

I?m looking for a manual one.

but he posted that...lol

Adaptive shit

we tuned a bunch on 2.85 - if you want a proven paid service hit me up

Looks like a trans issue to me. Whipple roush and some tuners that lock the files might alter eeprom part which HPT is not allowing to edit.
We had nightmares where we loaded tune back to stock like...

drop a log with hefty parameters

Well the so called TRANS CAN that is fed between PCM and TCM is a special kind of can. You need a specific PCM that is able to talk TRANS CAN.

We were able to run 7.3 on 10r80 5.0 PCM so Im...

We tuned a few shifting nicely around 7800 no problemo.

Does it run in fuel mode called FMEM?

Still not sure what do you need exactly...

Pull a simple log with a torque source and post it here.

speed limiter removed

145206

It will run like chit on stock calibration given the fact CJ utilizes completely different TB...

post a tune

You want to run 5.8 on Coyote pcm?

18 was different, 19 was different and 20 was but later 21 up was ALL the same up to 23 so good luck LOL

can relate when i see the file

2015 and 2020 will do?

Forscan

well what im trying to tell you is you wont get any +23 roush files as they wont support anything over 23

Roush does not support any 24 F150 or Mustang.

But we do.