The dyno portion of TX2K12 was hosted at Hennessey Performance. With a 2WD Dynojet and an AWD Dyno Dynamics both going, it was common to hear a turbo spool up as the other dyno was spinning down.
Single Turbo Supra on the 2wd Dynojet:
Widebody GTR loading on the AWD Dyno Dynamics:
Where else would you find a Twin Turbo Ferrari accompanied by a Twin Turbo Lamborghini and a Supra with wheelie bars?
Single Turbo 2JZ-GTE Powered Honda S2000: