More and more new McLaren Sennas are being delivered with each passing day. This means that we're starting to get all sorts of lovely Senna content from people around the globe. One video that was just uploaded to YouTube that we suspected was coming is one from Hennessey Performance. It shows the McLaren Senna undergoing dyno testing at their headquarters.

The results of the test were a bit surprising. Hennessey recorded 724.13 whp and 627.95 lb-ft of torque. This is interesting because McLaren states that the power output of the supercar is 789 bhp and 590 lb-ft. So there's a decrease in horsepower but an increase in torque.

Be sure to check out the video for yourself by clicking play up above. It's not often you get to see a car like the McLaren Senna on a dyno.

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