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1970 Chevy Camaro gets 650-hp crate engine for SEMA

The latest edition of the Chevrolet Performance catalog arrives at the 2015 SEMA Show, and to demonstrate the insane creations that are possible with it, the company has a seriously powerful machine in tow. This custom 1970 Camaro RS boasts the new LT4 crate engine that makes a staggering 650 horsepower and 650 pound-feet of torque. The offering gives hot rod builders the ability to put the Corvette Z06's 6.2-liter supercharged V8 into any project where they can make the mill fit. This Hyper Blue Metallic Camaro should offer neck-snapping performance with its massively powerful engine and a T-56 Super Magnum six-speed manual gearbox. Chevy's show car is about more than just packing copious horsepower into a classic shape, though. The builders also overhaul the suspension with coilovers at the front and rear, in addition to a four-link setup at the back. Behind the 19-inch aluminum wheels, the coupe has Z06-based brakes at both ends. For better visibility, it wears LED headlights and taillights. Plus, the interior gets custom gauges and a six-point roll cage. With pieces like titanium intake valves and forged aluminum pistons, the LT4 crate engine comes ready to offer serious performance, but Chevy also gives builders a few options to fit their application. The mill is available with either wet- or dry-sump lubrication. Depending on the version, there are kits to fit front-end accessories, air conditioning, and power steering, as well. The new Chevy Performance catalog features other high-performance components like Z06-based parts for the standard Stingray and an array of performance upgrades for the 2016 Camaro, including suspension lowering kits, brake upgrades, and more. We look forward to seeing this vast collection of goodies at SEMA this year. Related Video: Classic 1970 Camaro Shows Supercharged LT4 Heart Contemporized muscle car highlights new Corvette Z06-based crate engine LAS VEGAS – Chevrolet Performance is showing off the new LT4 crate engine in the most attractive way possible – under the hood of a classic 1970 Camaro RS. The concept vehicle was introduced today at the SEMA Show, in Las Vegas. As the supercharged 6.2L heart of the Corvette Z06, the LT4 is rated at 650 horsepower and 650 lb-ft of torque, making it the most powerful production-vehicle engine ever from General Motors. The new crate engine – offered in dry-sump and wet-sump versions – allows builders to use the high-tech performance engine in their hot rod projects.

GM patent reveals new two-stage turbocharger

Modern turbochargers may be some of the best ever made, but performance is something that engineers are always trying to improve. According to GM Inside News, General Motors (GM) is hoping to alleviate some of the negative aspects of a two-stage turbocharger setup with a newly-patented design. The patent, that was filed on May 19, 2016, reveals a clever bypass system that allows the engine, a four-cylinder unit, to optimize both the low-pressure and high-pressure inlets for its respective functions. According to the filing, a conventional two-stage turbocharger setup is engineered to allow both turbines to operate simultaneously at low and mid engine speeds. At high engine speeds, only the low-pressure turbine works. The setup can't isolate either the low or high pressure side, which can impair low-end performance. GM's new two-stage turbocharger setup looks to eliminate this by linking the high-pressure turbo to the exhaust manifold through the high-pressure inlet duct. The low-pressure turbo is attached to the high-pressure turbo by a low-pressure inlet duct, which is linked to a connecting channel. A single actuator that is housed in the exhaust manifold creates a bypass that can opens the high-pressure inlet or close the connecting channel. Depending on what the engine load and speed is, the ECU guides the actuator—a single rotating spindle with discs corresponding to flanges on the high and low pressure sides—to isolate one of the two turbos. Isolating the turbos allow the respective inlets to be engineered for the best possible fluid dynamic performance. The setup should increase performance and decrease lag. There's no word on what car this setup will make an appearance on, but it will most likely be used in premium vehicles before trickling down to the rest of GM's vehicles. Related Video: News Source: GM Inside News, AutoGuide via GM Authority Cadillac Chevrolet GM Technology Sedan turbo patent engine turbocharging

GM drops diesel engines for 2020 Chevy Equinox and GMC Terrain crossovers

GM is officially discontinuing the diesel engine in the Chevy Equinox and GMC Terrain for the 2020 model year. The 1.6-liter turbodiesel was always an oddball of an engine in the compact crossover segment, and now the experiment has come to an end. The Car Connection initially reported the news, and a GMC spokesperson, Stuart Fowle, confirmed it to us this morning.  “A huge majority of our Terrain customers have opted for one of our two gas engines," says Fowle. We canÂ’t say this eventuality comes as a massive surprise, as we saw news from couple of months ago that GM was dropping all-wheel drive from the diesel-powered cars for 2020. Low demand was cited as the reason for that cull, and itÂ’s the same for the little GM crossovers this time around, too. These vehicles were the only ones powered with a diesel engine in their class, but thatÂ’s going to be changing. Just as GM is going away from the diesel, Mazda is finally bringing its diesel to market in the CX-5. YouÂ’ll only be able to get that engine in the most expensive ($42,045) trim level, combined with all-wheel drive, though. The cheapest Equinox diesel starts at a comparably low $30,795. ThatÂ’s a $2,400 upcharge over the base 1.5-liter turbo four-cylinder, and the value is questionable. Mileage is better, but diesel fuel is more expensive. Towing capability didnÂ’t increase over the base engineÂ’s 1,500-pound capacity, but the extra torque around town was nice. As diesels go in the U.S., this one was rather rough and noisy, possibly contributing to some turning their noses up after a test drive. Perhaps another reason for its demise was that the much quicker 2.0-liter turbo Equinox was only $100 more than the diesel. This engine offered significantly better towing at 3,500 pounds, too. You can read all about what we thought of the diesel in our first drive review here, but the 2019 model year is the last one if you had it on your shortlist. This article has been updated to indicate the source.