TRLHP, according to Ford, is dependent upon vehicle type, and is a level of resistance levied against cars
during dyno testing to determine fuel economy.
Surprisingly, the tuner opted to switch the Grand Cherokee Trackhawk to rear - wheel drive
during the dyno test.
Not exact matches
A total of 96 hours (four 24 - hour sessions) have been logged, to prepare for this year's Le Mans race: two 24 - hour
dyno sessions were performed before March's Sebring race, one 24 - hour session was completed
during the Sebring weekend (12 hours of racing plus 12 hours of successful
testing immediately thereafter), and a fourth session was run after April's Open
Test session.
While it had been
tested on the
dyno and validated
during a 60 - hour run, it failed
during the Roar
test due to the harmonics from the race car on the race track.
But towards the end, the Evo begins to tug violently on its restraint before completely going out of control and falling off the
dyno during it's
test run.