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Dodge Demon's A/C helps its supercharged Hemi make more power

Staying cool is one important key to performance. Simply, more air means more power, and cool, dense air is better than hot air. While forced induction might help make copious amounts of horsepower, turbos and superchargers produce heat. Intercoolers help, but the new Dodge Demon and its supercharged Hemi need a bit of an extra boost. In Drag Mode, the Demon's engine commandeers the car's air conditioning system to help chill things out. The Demon will have the first production application of a liquid-to-air charge air cooler chiller system. Literally, the car's air conditioning system is used to cool the air going into the engine, dropping temps by up to 45 degrees Fahrenheit. Dodge claims the system helps achieve "temperatures previously unattainable by pressure-charged street-legal production vehicles." As cool as this may sound, the technology isn't new. Ford had a prototype system in the early 2000s called SuperCooler, though that system never made it to production. While the Demon's system doesn't have a super cool name like the one from Ford, the pair essentially work in the same way. In theory, it should have the same effect as a bottle of nitrous. According to Autoweek, Ford's system bumped up the output of the F-150 Lightning by about 50 horsepower. Turns out that air conditioning isn't always a huge power suck. Related Video:

Dodge reveals a few of the goodies in the Demon crate

One of the teaser trailers for the eagerly anticipated Dodge Challenger Demon featured a big crate full of goodies for the car. As with the car, though, Dodge was a bit coy about what was inside, simply saying there were 18 items, consisting of tools and parts. Now we know what tools the car gets, and they're some very nice Snap-On pieces. All of the tools and accessories are branded with the Demon logo. And the tools included should be perfect for easy tire changes at the track. Specifically, the tools include a hydraulic jack, cordless impact wrench with charger, torque wrench, and a tire pressure gauge. There's also a fender cover to protect the paint when working under the hood, and a nice carrying bag with the Demon emblem on the side. And, naturally, all of the tools are limited-edition units made specifically to accompany the Demon. If you want to do anything more involved than wheel swaps, you'll need to supply a few tools of your own. But this should be good for the weekend drag racer or autocross driver who wants to drive down to the course on street tires, then throw on the sticky rubber at the track. Also, as you may have noted, these tools only constitute six items in Dodge's count, leaving 12 others that must be car parts. We know that among the parts are some factory Demon wheels, and items that Dodge describes as "Direct Connection Performance Parts" and the "Demon Track Pack System." Details on these remain scarce, but they will probably be revealed closer to the car's debut date of April 11. Related Video:

Subaru Legacy pitted against Roadkill project cars

There's an evergreen debate among auto enthusiasts about whether they would prefer to have the latest and greatest car of today or a certified classic from yesteryear. What if you had to further define that, though, and the choice was between a brand new 2015 Subaru Legacy or a turbocharged Datsun 240Z with a hatch that wouldn't close? Roadkill aimed to find out that and more in one of its best videos to date.
According to the hosts, Subaru came to them, handed over some money and challenged Roadkill's project cars against its latest Legacy. The result is every bit as good (or better) than any automotive-themed show you could find on television.
Things start simple with a figure-eight race in a rodeo arena with the Subaru taking on Roadkill's 1968 Ford Ranchero, originally built for ice racing. From there the Legacy races a 1968 Dodge Charger with no windows around and off-road rally stage. Finally, the Subie goes head-to-head against the Rotsun, the aforementioned turbocharged 240Z, through an abandoned neighborhood. Plus, there's a bonus drag race challenging them all.