Challenger Hellcat on the dyno - WOW!!

[paladin06]

The Challenger Hellcat on the Dyno
Motor Trend took the 2015 Dodge Challenger SRT Hellcat with the new heavy duty 8-speed TorqueFlite automatic transmission to K&N Engineering’s dyno in Riverside California to see how true the power numbers are for this brawny Mopar muscle car. With stated figures of 707 horsepower and 650lb-ft of torque, the Hellcat Hemi makes the Challenger (and the Charger) the most powerful American production car ever while also ranking 6th when compared to every other current production car in the world so with claims like that – you know that someone would be getting a Hellcat powered Challenger to the dyno in a hurry.

Well, Motor Trend appears to be the first publication to put the 2015 Dodge Challenger SRT Hellcat on the rollers and not only did it prove those numbers – it blew them away.

The Hellcat Challenger put down 635 horsepower and 591lb-ft of torque to the rear wheels with the automatic transmission. The industry norm for calculating engine horsepower at the crankshaft based on drivetrain loss is 15% and if 635 horsepower is “only” 85% of the Hellcat Hemi’s actual power output – the engine is making closer to 747 horsepower. Using that same math for the torque output, 591lb-ft would be about 85% of 695…although considerably higher than the 650lb-ft of torque that Chrysler claims. If those power figures were official, the Challenger SRT Hellcat would pack more horsepower than the Ferrari F12 Berlinetta and the Lamborghini Veneno and in terms of torque – no other production car in the world could rival 695lb-ft.

http://www.torquenews.com/106/2015-dodge-challenger-srt-hellcat-underrated-707hp

 

[70rr-brian]

"Provided that the MT/K&N numbers are accurate and the Chrysler Group official numbers are accurate, the Challenger has a drivetrain loss of around 9%. This means that the Hellcat Challenger is either underrated from the factory – or it is one of the most efficient vehicles ever made."

It's underrated. Dodge has no interest in engineering drivetrain efficiency for God sake. They are trying to sell these as cheap as possible. Most of the HP numbers from the manufacturers are underrated.

 

[paladin06]

Underrated or not, it is the new KING of the musclecars!:blob1:

 

[Budnicks]

cool stuff & I read that same thing in a newsletter from Street Legal TV

 

[383man]

If the HP and torque #'s are under rated it makes it seem even more impressive. Ron

 

[Dennis H]

"Provided that the MT/K&N numbers are accurate and the Chrysler Group official numbers are accurate, the Challenger has a drivetrain loss of around 9%. This means that the Hellcat Challenger is either underrated from the factory – or it is one of the most efficient vehicles ever made."

It's underrated. Dodge has no interest in engineering drivetrain efficiency for God sake. They are trying to sell these as cheap as possible. Most of the HP numbers from the manufacturers are underrated.

The Chevy they tested was OVERATED. Under promise, over deliver. That's the Mopar way. We can learn from this.

 

[Hemi Rebel]

There is probably a math genius out there somewhere who can determine how much power it is putting down by using its weight and how fast it covers a certain distance. Probably dont even need a genius. Just the formula.

 

[Moparmatt72]

But hasn't Chrysler been under rating their car since the first hp wars.