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Difference between revisions of "Chevrolet Corvette C5 Z06"
Chevrolet Corvette C5 Z06 (view source)
Revision as of 23:00, 9 February 2009
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The 26-pound titanium muffler and tailpipe assembly of the Z06 replaced the 44-pound [[stainless steel]] system used in the base-model C5. This provided a 41% weight savings which directly translated into improved performance: faster acceleration, better handling, higher cornering speeds, shorter braking distances, and increased fuel economy. In addition, titanium's natural resistance to corrosion and durability give the exhaust system of the Z06 a virtually unlimited life span. | The 26-pound titanium muffler and tailpipe assembly of the Z06 replaced the 44-pound [[stainless steel]] system used in the base-model C5. This provided a 41% weight savings which directly translated into improved performance: faster acceleration, better handling, higher cornering speeds, shorter braking distances, and increased fuel economy. In addition, titanium's natural resistance to corrosion and durability give the exhaust system of the Z06 a virtually unlimited life span. | ||
The Arvin design addressed the differences between titanium and stainless steel, including characteristics such as springback, vibration and resonance frequency. New muffler components were custom-developed for titanium fabrication, and a unique acoustic tone to meet GM sound requirements. To meet both performance and production rate demands, TIMET and Arvin collaborated to develop a new "exhaust grade" of commercially pure titanium. Special surface conditioning allows efficient fabrication to help meet the cost criteria set by GM for the use of titanium on a performance car. The titanium system is as strong as the equivalent steel system, but weighs substantially less. | The Arvin design addressed the differences between titanium and stainless steel, including characteristics such as springback, vibration and resonance frequency. New muffler components were custom-developed for titanium fabrication, and a unique acoustic tone to meet GM sound requirements. To meet both performance and production rate demands, TIMET and Arvin collaborated to develop a new "exhaust grade" of commercially pure titanium. Special surface conditioning allows efficient fabrication to help meet the cost criteria set by GM for the use of titanium on a performance car. The titanium system is as strong as the equivalent steel system, but weighs substantially less. | ||
Titanium has a natural oxide layer that provides immunity to external corrosion from road salts, as well as to internal corrosion from sulfur-rich engine exhaust. The system will experience no pitting or rusting, even at the welds. Corrosion immunity also means that the exhaust is designed with no trade-off to the weight savings; in a production vehicle, the system will far outlast anything made of stainless steel, resulting in fewer warranty claims and increased customer satisfaction. When titanium emerged as the solution to the GM performance challenges, the manufacturing technology to produce titanium mufflers in mass-market quantities didn't exist. Working with TIMET to optimize an exhaust grade of titanium, Arvin successfully adapted its stainless steel stamping, bending, cold forming and welding methods to accommodate the structural differences between stainless steel and titanium. New testing and computer models were also developed to ensure GM durability requirements were met. Titanium is environmentally sound. It is completely inert, non-toxic, 100% recyclable, and its production leaves no harmful by-products. Titanium does not degrade or release anything into the air, water, or ground. | Titanium has a natural oxide layer that provides immunity to external corrosion from road salts, as well as to internal corrosion from sulfur-rich engine exhaust. The system will experience no pitting or rusting, even at the welds. Corrosion immunity also means that the exhaust is designed with no trade-off to the weight savings; in a production vehicle, the system will far outlast anything made of stainless steel, resulting in fewer warranty claims and increased customer satisfaction. When titanium emerged as the solution to the GM performance challenges, the manufacturing technology to produce titanium mufflers in mass-market quantities didn't exist. Working with TIMET to optimize an exhaust grade of titanium, Arvin successfully adapted its stainless steel stamping, bending, cold forming and welding methods to accommodate the structural differences between stainless steel and titanium. New testing and computer models were also developed to ensure GM durability requirements were met. Titanium is environmentally sound. It is completely inert, non-toxic, 100% recyclable, and its production leaves no harmful by-products. Titanium does not degrade or release anything into the air, water, or ground. | ||
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These Corvettes came to be known as "Big Tanks" because the package initially included a 36.5-gallon gas tank (versus the standard 20-gallon) for races such as [[12 Hours of Sebring|Sebring]] and [[24 Hours of Daytona|Daytona]]. Initially, the package was available only on coupés, as the oversized tank would not fit in the convertible, although the rest of the Z06 option package was later made available on convertibles as well. | These Corvettes came to be known as "Big Tanks" because the package initially included a 36.5-gallon gas tank (versus the standard 20-gallon) for races such as [[12 Hours of Sebring|Sebring]] and [[24 Hours of Daytona|Daytona]]. Initially, the package was available only on coupés, as the oversized tank would not fit in the convertible, although the rest of the Z06 option package was later made available on convertibles as well. | ||
Thus, the 1963 Chevrolet Corvette was technically the first Corvette that could be designated as "Z06." The only engine option on the Z06 was the L84 {{Auto CID|327}} engine using Rochester [[fuel injection]]. With factory exhaust manifolds, required to run the cars in the SCCA production classes, Chevrolet rated the engine at {{convert|360|hp|kW }}. The Z06 option cost an additional $1,818.45 over the base coupé price of $4,252. Chevrolet later lowered the package price and eliminated the larger gas tank from the Z06 package, though it remained available as an add-on option for any coupé. All told, Chevrolet produced 199 of these "original" Z06s. | Thus, the 1963 Chevrolet Corvette was technically the first Corvette that could be designated as "Z06." The only engine option on the Z06 was the L84 {{Auto CID|327}} engine using Rochester [[fuel injection]]. With factory exhaust manifolds, required to run the cars in the SCCA production classes, Chevrolet rated the engine at {{convert|360|hp|kW }}. The Z06 option cost an additional $1,818.45 over the base coupé price of $4,252. Chevrolet later lowered the package price and eliminated the larger gas tank from the Z06 package, though it remained available as an add-on option for any coupé. All told, Chevrolet produced 199 of these "original" Z06s. | ||
===LS6=== | ===LS6=== | ||