Dyno competitions are a lot more brutal than people think, and there is a ton of prep work that goes into each vehicle before they dyno. If one thing goes wrong, just as we see here, it could be a catastrophic failure. This Duramax blew the end tank clean off due to a nitrous backfire, and the grille and headlight flew into the crowd. If you attend a dyno event, be sure to keep your eyes open in case something like this happens. Really anything can happen with that many moving parts and with that much heat. Duramax engines are very well-built and strong engines, but all it takes is one thing to turn a good day into a bad day.

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