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2014 Camaro Z/28 Powered by Racing-Proven LS7 V-8
Lightweight, high-flow features contribute to balanced performance, estimated 500 hp 2013-03-27 http://i.imgur.com/8HSkMmJ.jpg DETROIT – The racing-proven LS7 7.0L V-8 powers the all-new 2014 Camaro Z/28 – the most track-focused production model in the car’s history. It’s matched with a TREMEC TR6060 six-speed manual transmission with unique gearing tailored to the LS7’s performance characteristics for optimal track performance. The Z/28 engine is adapted from the LS7 used in the C6 Corvette Z06, which was developed in conjunction with Corvette Racing. It is rated at an estimated 500 horsepower (373 kW) and 470 lb.-ft. of torque (637 Nm) in the new Camaro Z/28, with a maximum engine speed of 7,100 rpm – a broad rpm range that contributes to higher power and allows the driver to hold gears longer between shifts on the track. That helps keep the engine at peak power for quicker lap times. “The LS7 lives on in the all-new Z/28, extending a performance legacy while delivering great power density in a lightweight package to give this exciting new Camaro a great feeling of control and balance,” said John Rydzewski, assistant chief engineer for small-block engines. “It introduced exotic materials and racing-influenced solutions that keep it at the forefront of high-performance technology.” The LS7 is the most powerful naturally aspirated production engine ever from General Motors and, upon its launch in late 2005, was the first GM engine to receive SAE-certified power ratings. “In the Camaro lineup, it complements a range of great V-8 choices, starting with the 426-horsepower LS3 in the Camaro SS and ending with the supercharged LSA rated at 580 horsepower in the Camaro ZL1,” said Rydzewski. “The LS7’s low mass and high rpm capability make it the perfect choice for the lightweight, track-capable Z/28, exemplifying all the strengths and attributes of the small-block architecture.” Hand-assembled at GM’s Performance Build Center, in Wixom, Mich., the LS7 shares the basic Gen IV V-8 architecture as the Camaro SS’s 6.2L LS3 engine, but it uses a unique cylinder block casting with pressed-in steel cylinder liners to accommodate the engine’s larger diameter, 104.8mm cylinder bores – with deck-plate boring and honing for optimized bore geometry. It also uses a dry-sump oiling system to ensure full lubrication during the 1.05-g cornering loads the Z/28 is capable of producing. Internally, the LS7’s reciprocating components use racing-derived lightweight technology, including titanium connecting rods and intake valves, to boost horsepower and rpm capability – and reduce overall engine mass. The titanium connecting rods provide perhaps the most direct link from the racetrack. They weigh just 464 grams apiece, almost 30 percent less than the rods in the LS3. Besides being lightweight, which enhances high-rpm performance and rpm range, titanium makes the rods extremely durable. Additional engine highlight include: Forged steel main bearing caps Forged steel crankshaft Titanium connecting rods with 101.6-mm stroke Aluminum flat-top pistons 11.0:1 compression High-lift camshaft Racing-derived CNC-ported aluminum cylinder heads with titanium intake valves and sodium-filled exhaust valves Hydroformed “tri-Y” exhaust manifolds High-capacity, liquid-to-liquid oil cooling system Unique cold-air induction system with low-restriction K&N air filter Unique engine cover with “Camaro 427” identification. The LS7 exhaust system for the Z/28 is unique and features a tri-Y header design to take advantage of the V-8’s firing order. Primary pipe pairings join cylinders one and five, then three and seven on the left bank, with cylinders two and four and six and eight paired on the right bank. At each bank, the primary pairings collect into a secondary Y, delivering a combination of pulse separation of adjacent firing cylinders and improved scavenging for the engine’s firing order of 1-8-7-2-6-5-4-3. A dual-mode exhaust system and large, three-inch-diameter pipes complement the manifolds’ tuning and low restriction. The optimized header and exhaust system improves torque and sound quality from the LS7 engine. High-flow heads The LS7’s CNC-ported aluminum cylinder heads are designed to meet the high airflow demands of the engine’s 7.0-liter displacement, as it ingests more than 100 cubic feet more air per minute than the LS3 V-8 – a nearly 20-percent increase in airflow. To process that airflow capability, a hydraulic roller camshaft with 15mm intake and exhaust valve lift is used to allow plenty of air to circulate in and out of the engine. To ensure optimal, uninterrupted airflow, the LS7’s heads have straight, tunnel-like intake runners. Very large by production-vehicle standards – even racing standards – they are designed to maintain fast airflow velocity, providing excellent torque at low rpm and exhilarating horsepower at high rpm. The heads feature 70cc combustion chambers that are fed by 56mm titanium intake valves, which are larger yet lighter than the valves in the LS3. They are partnered with 41mm sodium-filled exhaust valves, which feature hollow stems partially filled with a special sodium material that melts and liquefies around 205 degrees F (96 C). The inertia from the valves’ opening causes the liquefied sodium to move up inside the stem, dissipating heat better than a conventional exhaust valve. To accommodate the large valve face diameters, the heads’ valve seats are Siamesed; and, taken from experience with the engines of Corvette race cars, the LS7’s valve angles are held at 12 degrees – vs. 15 degrees for the LS3 – to enhance airflow through the ports to get it into the combustions quicker and with less turbulence. Dry-sump oiling system A dry-sump oiling system is used with the LS7 and is designed to keep the engine fully lubricated during the high-cornering loads the Camaro Z/28 is capable of producing. A 10.5-quart reservoir delivers oil at a constant pressure to a conventional-style oil pump pick-up at the bottom of the engine. The pressurized oil feed keeps the oil pick-up continually immersed in oil at cornering loads exceeding 1.05 g. Oil circulates through the engine and down to the oil pan, where it is sent back to the reservoir via a scavenge pump. The large-capacity reservoir, combined with a high efficiency air-to-oil cooler, provides necessary engine oil cooling under the demands of the engine’s power output. With the dry-sump system, oil is added to the engine via the reservoir tank – which includes the oil level dipstick. Then and now The engine in the original 1967 Z/28 was a 302-cubic-inch (4.9L) small-block rated at 290 horsepower and 290 lb-ft of torque. It was created by marrying the iron cylinder block of Chevrolet’s 283 V-8, which had 4.00-inch bores, with the crankshaft of the larger-displacement 327 engine, which delivered a 3.00-inch stroke, creating the 302-cubic-inch displacement that accommodated the engine-size regulation for SCCA’s Trans Am-2 class. With its aluminum cylinder block and heads, as well as a composite intake manifold – and no heavy carburetor – the LS7 engine in the 2014 Camaro Z/28 weighs approximately 20 percent less and produces nearly 73 percent more horsepower than the 1967 302 engine. Founded in 1911 in Detroit, Chevrolet is now one of the world's largest car brands, doing business in more than 140 countries and selling more than 4.5 million cars and trucks a year. Chevrolet provides customers with fuel-efficient vehicles that feature spirited performance, expressive design, and high quality. More information on Chevrolet models can be found at 2013 Chevy Cars, Trucks, SUVs, Crossovers and Vans | Chevrolet. # # # 2014 CHEVROLET CAMARO Z/28 ENGINE SPECIFICATIONS Engine 7.0L V-8 (LS7) Displacement (cu in / cc): 427 / 7008 Bore & stroke (in / mm): 4.125 x 4 / 104.8 x 101.6 Block material: cast aluminum Cylinder head material: cast aluminum Valvetrain: overhead valve, two valves per cylinder Fuel delivery: SFI (sequential fuel injection) Compression ratio: 11.0:1 Horsepower (hp / kW @ rpm): 500 / 373 @ 6300 (estimated) Torque (lb-ft / Nm @ rpm): 470 / 637 @ 4800 (estimated) Recommended fuel: premium required EPA-est. fuel economy (city / hwy): 15 / 24 |
Haha I wouldn't mind a GTR next to my Z.....and an LFA on the other side to complete the japanese trio
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:inoutroflpuke: I love my Z and i don't gripe about what I paid for it because i fought my azz off to get my $3,100 discount. If i had to pay MSRP? A Z wouldn't be in my driveway. Also, My MSRP in 2011 was $1500 cheaper than now. I don't see any value in the refresh price increase, :ugh2: |
While I appreciate the sarcasm I dont mean exclusive as in a ferrari, and correct me if im wrong because this is a subjective point of view but most people I know assume the Z is out of their reach. I have friends who always joke they cant afford a Z yet have mustangs and camaros. Perhaps exclusive was wrongly used but I do believe the perception of the Z is that its a more exclusive car due to pricing. A base Z can be had for a great price compared with stangs and camaros but that doesnt change the perception.
To me most people think mustang and camaros are cheap entry sports cars while Z's will set you back. I didnt say its an exclusive club no one can be in, I said the perception of the Z is just that, people think they are expensive cars and most can't obtain them. But maybe thats just my experience from peoples statements to me about the car? Who knows? |
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But the Mustang 5.0, Camaro SS, and 370Z all cost about the same. If you can afford one, you can easily afford the other. So no, a "select few" do not own the 370z. And I haven't met anyone that thought the Z was expensive... but maybe that has to do with where I live. It's a cheap car here. |
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I agree and always tell people it costs the same to get into fully loaded Mustangs and Camaros but thats I guess where "rare" comes into play whereas I wrote "exclusive." There just arent as many Z's compared to a stang or camaro so people automatically assume its rarity goes hand in hand with an aire of exclusivity so to speak. After all this feedback I guess ALL I meant was that the Z to me looks better overall and while not as fast I'd take great looks and good speed over great speed and ok looks. |
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The Z is a Cult car, not an exclusive car. :tup: |
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I never went for the Camaro's looks, and I wouldn't buy this one with the new platform right around the corner, just like I wouldn't buy a '14 mustang GT, either. I'd sit tight, wait it out a year, see what comes out, wait another year and see if it has some fatal flaws or not, and THEN make my decision. That's just me. We are in no-man's land right now for automobiles. Everyone is raiding parts-bins trying to slap together something to boost sales for the last 1-2 YM's of aging platforms.
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Interesting. I have never experienced these reactions.
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The people who think it's really expensive are the same people who think it's a Porsche....or people who can't afford one anyway. At least that's what I've experienced.
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This car is a monster. Chevy is doing things right. They definitely deserve a round of applause for this.
The only thing I'm scratching my head on is the lack of Xenon lights. I'd take the extra few pounds to have those. Perhaps it will be an option though, we'll see. |
My guess is they feel it's not necessary on a track-oriented car.
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Could the new tail lights on the Camaro, be a hint of the next retro-generation Camaro? I think, if the camaro were to go retro again, The one bodystyle it would definitely work on is the 1982-1992 Chevy camaro. Reason being, it was a futuristic style. It's Pontiac twin had it's own show based on a futuristic car. From 1982-1985 only the mitsubishi conquest was as futuristic as the camaro and it really was the ONLY thing in GM aside from corvette that was groundbraking at the time.
The bodystyle of this generation camaro, would look futuristic again while having classic lines. Kind of how a 240z body lines make it easy for a retro-styled Z. http://image.camaroperformers.com/f/...roc-z+rear.jpg http://images.gizmag.com/gallery_lrg/camaro-z28-1.JPG |
Not much exclusive owning a 370z in socal. You can see a 350 or 370z on the highway every couple minutes. Almost like thinking owning a truck in Texas is exclusive.
The take away from the Camaro refresh and Mustang updates is we get really screwed as 370z enthusiasts. Nissan makes tiny changes over a long lifecycle. Like someone else said, we have no direct competitor to push Nissan, but you would think the cheaper competitors would be pushing them. Such as the success of the BRZ/FRS and the evolution of the genesis. Hyundai updates at a very fast pace and they may just get it right next time. |
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It looks kinda like a bigger 370z with Lambo doors. http://i45.tinypic.com/97tg93.jpg http://i48.tinypic.com/11bmfmh.jpg http://i48.tinypic.com/35k4yls.jpg |
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They copied Nissan concepts down to the signature "Gun-Metallic" paint. First they were copying current cars to make the genesis coupes. Ok, didn't really bother me... Now they're copying concepts. Our concept was out 3 years ago. Copying concepts I think is a much bigger crime than copying the G35.:shakes head:
Hyundai is making enough money now to try to be more original.:wtf2: http://t3.gstatic.com/images?q=tbn:A...QchrqmdzW_OQvH http://photocarsonline.com/blog/wp-c...image_0011.jpg |
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Not a hyundai thread, keep it on topic.
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I am super psyched about the new Z28!!! I was afraid that the LS7 would die with the C6 Z06. I wonder if this means the NA 7-liter small black will live on! |
For sure. Z28 is a great move. I'm really digging the actual performance focus, and, from my perspective at least, cheeky nods to it, like a one speaker radio lols.
Tapatalk2 ... |
As far as all those fluffy posts about rare, exclusive etc ... not sure I dig the Z the categorized as a cult thing. Been watching too much "The Following" lately and those people are freaking nuts.
How about seeing the Z as excluded from the set of cars that have direct competition that influence kick arse development, and lets say that set is only Mustang/Camaro. Yep, I'd rather drink that koolaid lols. All semantics though, i.e. a different load. Tapatalk2 ... |
I think only guys who are into driving the car at the track would love this car. The Z28 pretty much has no options, like a race car, compared to lesser Camaro models. For that reason, even if I could afford it, I would not consider.
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I think the Z more than certifies in the cult category. But again, not a Z, or hyundai thread, Quote:
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Note... they have had mustangs in the past tho... |
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