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2015 Dodge Viper getting small increase in power

The Viper is used to being the most powerful car in the Dodge and SRT stables, but the arrival of the 2015 Dodge Challenger SRT Hellcat means that's no longer the case. The serpentine supercar is, however, reportedly getting a small boost in output for 2015, amounting to all of five horsepower.
The increase was uncovered by Road & Track courtesy of the SAE J1349 certification process to which Detroit's Big Three automakers submit themselves and which reports the Viper's output at 645 hp instead of the 640 it was rated at until now. There are a hundred factors that could have contributed to the relatively mild boost in output (best guess? nothing at all changed...), but we doubt anyone's going to complain about some extra horses under the hood.
The five-horsepower boost brings the Viper that much closer to the 650-hp Chevy Corvette Z06, not to mention the 707-hp Hellcat, but the Viper's impressive power-to-weight ratio ought to mean it'll have little problem keeping up in a straight line - which is just one of the reasons why Chrysler won't shoe-horn the Hellcat into the Viper: as R&T points out, the supercharged engine is too heavy and the blower makes it too tall to fit in the Viper's engine bay.

Dodge Scat Packages add Mopar performance upgrades in three stages

Dodge has revealed what it calls Scat Package Stage Kits that enhance the performance of the Charger and the Challenger equipped with the 5.7-liter V8, and the Dart equipped with the turbocharged 2.4-liter inline four-cylinder engine. The Scat Packs use Mopar performance parts that also can be bought separately. Most of the upgrades increase engine output, but Dodge somehow manages to not specifically mention the power gains associated with each Scat Pack.
The three Scat Packs offered for the V8-powered cars focus on higher power ratings, and each stage comes complete with a unique engine-management calibration to optimize output. Stage one comes with a cold-air intake and a cat-back exhaust; stage two adds a performance camshaft; and stage three really gives you the goods, adding ported polished cylinder heads and performance headers.
For the Dart, the Scat Packs focus on engine, transmission, chassis and brake upgrades. Stage one will net you a cold-air intake, a short-throw shifter and slotted rotors with performance brake pads; stage two adds a cat-back exhaust system and an engine-management calibration to increase output by taking advantage of premium-octane gasoline; and stage three adds 13-inch vented brake discs up front clamped by four-piston calipers, suspension with adjustable springs and struts and performance front and rear antiroll bars.

Junkyard Gem: 1981 Dodge Challenger

The first Dodge Challenger was an E-Body sibling to the 1970-1974 Plymouth Barracuda, and it was a pure Chrysler product with either Slant-6 or V8 power. Then stuff happened and the Challenger name went away for a while, returning in 1978 on a rebadged Mitsubishi Galant Lambda. For 1981, the Challenger got an updated body, and that's what we've got here in a Denver-area self-service wrecking yard. Chrysler was selling lots of Mitsubishis by the early 1980s, including the Colt econobox, the Dodge Ram 50 pickup, and the Plymouth Arrow truck. The Challenger's Plymouth-badged sibling was the Sapporo. This one had a bunch of late-1990s receipts from Los Angeles-area shops, and a check of the VIN on the California smog-check database shows that it last passed the Golden State's emissions test in 1997. Did it drive to Colorado 20 years ago and then sit until a few months ago? There is no easy way to know. Early Mitsubishi-built Challengers could be had with a 1.6-liter four-cylinder engine, but in 1981 the only engine choice was the Astron 2.6 four-banger, rated at 105 horsepower. Members of the Astron 2.6 family powered everything from Dodge Aries-Ks to Mitsubishi Starions in North America, and production continued nearly into our current century for Chinese-market trucks. Not many miles on this car, and no rust. The Index of Effluency-winning team at the recent Colorado 24 Hours of Lemons race grabbed a few bits from this car for their somewhat related 1976 Plymouth Arrow, but otherwise it appears that this rare classic may go to the crusher more or less intact. It's a lightweight, rear-wheel-drive coupe with decent power (for its era) and a 5-speed manual transmission, but there's just not much of a following in Colorado for these cars. I see the occasional Sapporo or Challenger during my junkyard travels, but the numbers have declined in recent years. Soon they will all be gone. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Related Video: Featured Gallery Junked 1981 Dodge Challenger View 26 Photos Auto News Dodge Automotive History Coupe Performance