Originally Posted by
Fast355
In that case you would want a manual trans engine tune to start. I would start with a 5.7L Manual calibration for a GTO or CTSV and copy the 5.3L engine settings into it.
When you said you harvested the engine from a donor vehicle, I assumed the transmission too.
There are some tuning guides that tell people to disable torque management and with a 4L60E it is one of the quickest ways to shred that transmissions. I did not want to see you blow one up following bad advice.
Bookmarks