Starting engine dynamometer pulls at low rpm is hard on the dyno and hard on the engine. Today, engine dynamometer testing is an integral part of many HOT ROD engine buildups and product tests.
How many years have you been tinker-tuning your Corvette only to have to keep popping the hood for more tweak-tuning? Can't quite get the carburetor in a proper state of tune? Rough running, misfire, ...