Chevrolet COPO Camaro Concept lives life a quarter-mile at a time

Written By Thomas Ponco on Monday, October 31, 2011 | 6:30 PM

The first Sports Cars are considered to be (though the term would not be coined until after World War One) the 3 litre made in 1910 Vauxhall 20 hp (15 kW) and 27/80PS Austro-Daimler (designed by Ferdinand Porsche).

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Chevrolet COPO Camaro Concept

What's a COPO, you ask? Back in the heyday of American muscle cars, COPO was an acronym for Central Office Production Order, which was, for all intents and purposes, a way for Chevrolet and its enterprising dealer network to sneak high-performance option packages and oversize engines past the bigwigs at General Motors and into the waiting hands of automotive enthusiasts.

With ancient history out of the way, what's COPO mean in 2011? Well, it still means performance, but there's certainly no way Chevy is going to bypass the powers-that-be at GM HQ, especially not with a Camaro proof-of-concept that's destined to live out its life at the drag strip in NHRA Stock Eliminator drag racing competition.

According to Jim Campbell, GM U.S. vice president of Performance Vehicles and Motorsports, the COPO Camaro that is debuting this week at SEMA "is a clear indication that Chevrolet intends to homologate the Camaro for sportsman drag racing." Seems pretty clear to us, too – in lieu of the standard independent rear suspension setup is a straight axle that's perfectly suited to straight-line racing. Plus, there's a full roll cage for safety.

Buyers of the COPO Camaro, if and when it becomes available, will be able to fit one of two suggested engine packages: one 427-cubic-inch naturally aspirated V8 (7.9 liters for A Stock racing) and one 327-cubic-inch supercharged V8 (5.3 liters for for AA Stock racing). The car you see in our live images is powered by a prototype version of the supercharged 327.

Check out all the details in the press release after the break.


Related Gallery SEMA 2011: Chevrolet COPO Camaro Concept

Chevrolet COPO Camaro Concept Chevrolet COPO Camaro Concept Chevrolet COPO Camaro Concept Chevrolet COPO Camaro Concept Chevrolet COPO Camaro Concept Chevrolet COPO Camaro Concept Chevrolet COPO Camaro Concept Chevrolet COPO Camaro Concept


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Chevrolet Introduces New 'COPO' Camaro

Concept evokes the spirit of special-order models for Stock Eliminator competition

2011-10-31

LAS VEGAS – The COPO Camaro is back at Chevrolet, as a concept designed to the specifications for NHRA Stock Eliminator drag racing competition.

"The COPO Camaro is a proof of concept for what a Chevrolet Stock Eliminator entry could look like," said Jim Campbell, GM U.S. vice president of Performance Vehicles and Motorsports. "And it is a clear indication that Chevrolet intends to homologate the Camaro for sportsman drag racing."

The COPO concept vehicle is designed to accommodate more than one engine option, including a naturally aspirated 427 engine (7.0L) – the same displacement as the original COPO Camaros from 1969 – and a supercharged 327 (5.3L) engine. Among the many racing-specific features and equipment is a conversion from the Camaro's standard independent rear axle to a solid axle, as well as a full chrome moly roll cage.

The basic content for the COPO Camaro Concept includes:

Provisions for two engine configurations (see below for details)

Provisions for a Powerglide two-speed automatic transmission, a three-speed automatic or a five-speed manual

High-rise cowl-induction hood

Custom Aeromotive fuel system, with a fuel cell and integral high-pressure fuel pump

Full, chrome moly roll cage

Coil-over front suspension with Strange Engineering adjustable struts

Custom rear suspension, based on NHRA requirements, with Strange Engineering shocks, Panhard bar and stabilizer bar

Strange Engineering S-9 solid rear axle with aluminum third member, 35-spline spool, 35-spline axles and 4.10 gear set

Lightweight, COPO-specific racing wheels

29x9-inch rear radial racing slicks and 4.5x28x15-inch front tires

Manual steering system

Strange Engineering lightweight racing brakes system with standard line lock.

The interior is all business, with most sound deadening and power accessories deleted. Instead, there is pair of racing bucket seats (and no rear seat), a safety harness for the driver, a competition floor shifter and Chevrolet Performance gauges by Auto Meter.

The engines

Intended for NHRA's various Stock Eliminator classes, the COPO Camaro concept has provisions for two distinct engine packages – each built to conform to class guidelines. The details below outline the core specifications of each engine and their intended classes.


















































427



327/2.9



Suggested class



A Stock



AA Stock



Cubic inches



427(7.0L)



327 (5.3L)



Block



LS7



LS9



Block material



aluminum



aluminum



Crank



forged steel



forged steel



Rods



H-beam



H-beam



Pistons



forged dome



forged dome



Compression ratio



TBD



10.2:1



Heads



LS7



LS7



Rocker arms



LS7 1.8-ratio



LS7 1.8-ratio



Induction



natural aspiration



boosted



Intake



Holley



supercharger



Camshaft type



hydraulic roller



hydraulic roller



Cam duration (deg.)



233/276 @ .50-in.



244/255 @ .50-in.



Cam lift (inch)



.595



.650


The concept vehicle is powered by a prototype version of the supercharged 327 engine, featuring an LSX cylinder block.

The COPO legacy

Since 1955, NHRA Stock Eliminator has been a straight-line proving ground for the quickest cars to come out of Detroit. Within Stock Eliminator, there are many classes, all defined by the ratio of vehicle shipping weight and the assigned horsepower factor. Because of this tightly monitored set of rules and historically brutal competition, Stock Eliminator is the ultimate test for factory muscle cars.

From the "Fuelie" '57 Bel Air to the '62 409 Impala and countless muscle cars that came later, Chevrolet has enjoyed a long, dominant position in this sportsman drag racing category. None of the cars, however, have dominated both the track and muscle car folklore like the legendary COPO Camaros produced in 1969.

In the Sixties, COPO was the acronym for Central Office Production Order, within Chevrolet's vehicle special-order program. Although normally used for fleet orders of trucks and company-owned cars, it was manipulated by a few performance-minded dealers to order vehicles with larger engines than were available in regular-production models – mostly with the intent of getting them to Stock Eliminator racers.

By pushing Chevrolet's Central Office Production Order special-order program to its limit, a number of dealers were able to get 427-cubic-inch big-block engines installed in a handful of Camaros, when the largest official engine available was a 396. Two versions of the 427 engine were wrangled out of the factory: COPO 9561 was the Corvette-based L-72 edition with an iron cylinder block and COPO 9560 was the racing-designed ZL1 engine with a lighter aluminum cylinder block.

The COPO Camaros opened up the NHRA rulebook to some exciting combinations for Camaro, helping keep Chevrolet at the top of the ultra-competitive form of motorsports. In fact, they were not only competitive in NHRA Stock Eliminator when new, but still hold the national ET and MPH records in several classes.

Racing enthusiasts who are interested in more information can go to www.gmperformanceparts.com to sign up for COPO Camaro concept updates.

About Chevrolet

Founded in Detroit in 1911, Chevrolet celebrates its centennial as a global automotive brand with annual sales of about 4.25 million vehicles in more than 140 countries. Chevrolet provides consumers with fuel-efficient, safe and reliable vehicles that deliver high quality, expressive design, spirited performance and value. The Chevrolet portfolio includes iconic performance cars such as Corvette and Camaro; dependable, long-lasting pickups and SUVs such as Silverado and Suburban; and award-winning passenger cars and crossovers such as Sonic, Cruze, Malibu, Equinox and Traverse. Chevrolet also offers "gas-friendly" solutions including Cruze Eco and Volt. Cruze Eco offers 42 mpg highway while Volt offers 35 miles of electric, gasoline-free driving and an additional 344 miles of extended gasoline range, according to EPA estimates. Most new Chevrolet models offer OnStar safety, security and convenience technologies including OnStar Hands-Free Calling, Automatic Crash Response and Stolen Vehicle Slowdown. More information regarding Chevrolet models, fuel solutions and OnStar availability can be found at www.chevrolet.com.





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