Originally Posted by
KRLONG18
2018 mustang gt with roush s/c. Had car tuned and transmission tuned, after a while the trans, started holding rpm's when shifting into the higher gears, "feels like a flare shift, or as if the trans is stuck in gear" also when driving when down shifting into 2nd and 1st gear coming to stop car bucks.
Anyone experienced this?
Maybe need to try differnet calibration in the transmission?
I had also seen on here there where 3 different hp tuner trans tunes, but cannot find them now?