Hellcat-Swapped Dodge Viper Sells Its V10 Soul to the Demon, Built by Guy Who Made a TRX Before Ram Did

The headlights on this Gen II Dodge Viper could use a polish. And while we’re at it, there might also be something wrong with its V10. The engine seems to be missing two cylinders and comes with a supercharger. On a more serious note, welcome to a Hellcat-swapped Dodge Viper of the Demon variety.

Throughout the five generations that graced the market until the untimely 2017 demise of the American supercar, the Viper has been a V10 symbol. So, is it still a Viper without its engine? We’re going to answer that with another question: would we be here if this project hadn’t feasted on the V8 fruits of its Dodge family tree?

Now, as stated in the intro, this is a Demon engine (notice the red valve covers). Essentially the same motor as that of the Hellcat Redeye, but with a different PCM (powertrain control module), the unit can deliver 808 hp on pump juice, which gets bumped to 840 hp when race gas is involved (torque goes from 717 to 770 lb-ft).

However, those figures are now irrelevant, as the builder of the machine is reportedly aiming for nothing less than 1,400 horsepower. That would be more than three times the muscle of the factory V10 engine. Speaking of which, we’re not aware of what happened to the glorious slab of America that is the said motor.

Here for the #savethemanuals camp

According to Instagram chat (we’ll get to the details shortly), we’re looking at a mockup installation done last summer in these two images, with the HEMI having received a stroker bottom end and a ported blower meanwhile.

The vehicle is currently being put together by an enthusiast named Charles, who is known as that_guy_from_br on Instagram. That handle points out to the builder being based in Belle River, Canada. However, the images came via an Insta post by americanmusclehd (an aficionado named Garrett Reed is behind the account). And, if we head over to the comments section, we find another enthusiast delivering the deets mentioned above.

And while the Viper comes with a Tremec T56 six-speed manual, this is being replaced by a billet iteration of the Tremec TR6060, an evolution of the T56—this is the kind of change required when you wish to row your own gears in a machine with a four-digit output.

Now, about the home-made TRX

So, why are we confident that Charles will complete such a complex project? For one, before retiring the Gen V Viper back in 2017, Dodge used to tell us that the width of this 6.2L HEMI wouldn’t allow it to clear the supercar’s frame rails, while its blower would make the engine too tall to fit under the clamshell hood of the Viper.

We’re not that worried about the fitment of the Hellcat V8, which, by the way, is lighter than the V10 it replaces. And that’s because we’ve recently discussed another Gen II Viper (also an RT/10 open-top) that would receive a Hellcat Redeye crate engine. Built by the YouTubers over at throtl, the creation should be ready for tire-shredding action later this month.

Regardless, the Canadian enthusiast has a history with Mopar builds that steer clear of the main road. For one, he managed to brew his own Hellcat-powered Ram Rebel before the maker released the TRX. Nicknamed RebHell, the 707 hp truck was put together in 2019, while the Ram 1500 TRX didn’t enter production until December 2020.

Charles handled much of the work on the half-ton truck himself, so where is the contraption these days? As you’ll notice in the second Instagram post below, which dates back to December 2021, the Ram could be in the middle of a six-speed manual swap, even though its owner alludes to the Hellcat motor having left the building in the comments section. Guess we’ll try to prepare our minds for whatever this daredevil has to throw at us.



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