Z28 Rolling Road unhappiness

[docwra]

Took my Z28 to the rollers yesterday as Im trying to fix an overfuelling problem. TC was off for all runs.
On first couple of runs it was fine but on 3rd attempt it got unhappy - rev counter stopped working, all the traction control lights lit up and it claimed it needed stabilitrak/power steering service

Decided it probably wasnt worth any more runs, moved it literally 8 inches and it became happy again - Im guessing the speed differential between front and rear wheels was the issue and wondered if anyone else had same problem, or knew how to avoid it.

[1JEWLDSSRS]

Originally Posted by docwra

Took my Z28 to the rollers yesterday as Im trying to fix an overfuelling problem. TC was off for all runs.
On first couple of runs it was fine but on 3rd attempt it got unhappy - rev counter stopped working, all the traction control lights lit up and it claimed it needed stabilitrak/power steering service

Decided it probably wasnt worth any more runs, moved it literally 8 inches and it became happy again - Im guessing the speed differential between front and rear wheels was the issue and wondered if anyone else had same problem, or knew how to avoid it.

Yep, my Camaro did this after 3 pulls on the dyno, it was due to the difference in the front wheels NOT turning and the rear wheels were turning, the ABS system detected this and freaks out, my tuner said that all the light should go out when I drive the car, most likely he said before I even leave the building, about 30 feet, and they in fact DID turn off.. All good after that!