Never seen one blow up like that!! Not sure what make that dyno was, Dynojet or Mustang are the two best on the market......

I have made over 500 dyno pulls on various cars from ranging from 200 rwhp to well over 1500 rwhp......and to my disapointment only had 3 cars that wanted to show their internal engine components!! 1 drive shaft, 1 turbo car lost a muffler and it shot back and went under the rear tire and launched across the parking lot like bullet ( car stayed on the rollers) 1 nitrous back fire ( disasembled and perfectly good LS6 composite intake maniflod) 1 came off the rollers.......we even dynoed a shifter car ( 50 rwhp) golf cart ( 13 rwhp) and a LS1 powred big brute Motor cycle (320 at the wheel)

One of the best was a customer with a 69 camaro tubbed BBC......comes in with a huge set of balls, makes a statement that if  his car does not make over 700rwhp hes gonna be pissed........( 427 cube,12 to 1, iron heads, mechanical cam, old off set torker intake with a 850 holley, HEI, powerglide and a converter that stalled around 4800) We all tried to politley lower his expectations.....well after 6-9  pulls, playiing with timming, jets, checking spring pressure, swapping the carb, ect it made 379rwhp and no the converter was no slipping.............so to say the least he was a bit upset and blamed the dyno......so we took his car off the dyno strapped down a 2002 camaro with a heads and cam package and it makes 445 rwhp.....funny he never said anything about the dyno after that.........