The 6.2-liter HEMI Hellcat V8 is an impressive feat of engineering. Making a reliable car with 707 horsepower that is backed by a warranty and doesn’t cost you six-figures is definitely something for Dodge to be proud of, but what would it take to make one of the brand’s more ‘normal’ engines deliver similar power figures?
That’s just what Motor Trend set out to do in the latest episode of Engine Masters. Starting with a stock 5.7-liter HEMI V8 block, host David Freiburger looks to make at least 707 horsepower from the slightly smaller eight-cylinder HEMI, a feat he quickly finds out is doable, but far from easy.
The engine already makes a healthy 475 horsepower and 400 lb-ft of torque from the get-go thanks to some SRT ported cylinder heads, a Mopar four-barrel intake manifold, TTi headers, a Holley HP EFI system and a few other minor bolt-ons. But in order to really make it produce Hellcat levels of power, you need boost, and in this case Freiburger turned to Paxton’s centrifugal type supercharger.
So check out the video above to see if a Paxton supercharged 5.7-liter HEMI V8 is capable of making Hellcat-like power with a few simple bolt-ons.