HPR now ships and sell all the RTDs.
RTDs and credits get ordered from here
https://hprautomotive.com/products/hpr-rtd-device
All tunes are purchased directly from our website
https://wengerdperformance.com/shop
We can make you a stock file just from your vin and using original asbuilt data. You can load it with any hp device RTD or MPVI.
We do this frequently for other tuners who need stock files and are stuck with a car that is not stock and a scrambled osid.
Softwares like pcm tech are adding additional code to the Ford operating system to get these functions to work.
Just like HP tuners has a code patch for the transbrake.
The Ford original os has nothing close to that in order to make the tbrake function.
Roush has Additional safety limits like...
When a new OS is flashed in by roush many times it is not yet recognized by TDN.
In those cases RTD flasher is required and you can manually select the dropdown option to select controller TC-298 if rtd flasher does not auto detect the controller.
But yes We use TDN on most of them but 21+ is...
I'll tune nearly any setup for flex N/A .
Boost is really the only way I won't do flex.
The reason for this is flex is inferred ethenal percent.
Example a vacuum leak would cause the car to assume its on e85 and run e85 timing while on 91/93.
Edit (this is using hp tuners or SCT amd the oem...
I actually recognize the name . If i remember correctly it would idle surge up and down without stopping.
Regardless we tuned it and it has no issue so not really sure what was going on. Logs checked out great after