Check out what happens when a Dodge Demon’s rear differential finally fails after many a drag race.
To this day, the Dodge Challenger SRT Demon remains the most powerful production muscle car ever made. A 6.2-L supercharged HEMI V8 produces an astounding 840 hp and 770 lb-ft of torque when it’s fed the right gasoline, and is capable of launching the 4,280 lb car from zero to sixty in just 2.3 seconds.
That’s a lot of power, but more importantly, that’s a lot of torque. Perhaps a bit more torque than the Demon’s rear diff can take over repeated runs.
The video we see here was recorded at a private event for Demon owners at Houston Raceway Park. The event hosted the Legions of Demons car club and was intended to just allow a bunch of Demon owners to let loose on a well-prepared drag strip. Some were even shooting for the quarter-mile record of 9.65 seconds.
According to The Drive, 42 stock Demons showed up as well as 4 modified ones. While nobody beat the record, 38 stock Demons at least made it into the 9-second range. The remaining 4 blew out their rear differentials.
Which seems like an alarmingly high number. After all, Dodge advertised the Demon as being capable of drag racing pretty much forever. So what went wrong?
Well, The Drive has a theory. While Dodge does prepare the Demon for a hard life of drag racing, they can’t control where the Demon will race. If a drag strip isn’t particularly well prepped and the Demon gets a shuddering grip of the pavement, then it can cause microfractures in the driveline components.
This gets aggravated when the Demon arrives at an extremely well-prepped strip, such as was available at the Houston Raceway. Suddenly all those microfractures have to deal with the full force of the Demon’s engine, and the weakest link just happens to be the rear differential which shatters in a spray of metal, gears, and oil.
Dodge has seen the video and is currently investigating to see if there might be an issue with the Demon’s differential. Thankfully these Demon owners should still be under warranty and thus can get their Demons repaired. We’ll have to see if Dodge makes an official announcement regarding this incident at a later date.