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Chevrolet’s 2009 ZR1 Corvette will set you back about $100,000 for an estimated 620hp at 6500 rpm and 600 lb-ft of torque at 4000 rpm from its supercharged LS9 6.2-liter V-8. If those numbers don’t mean much to you, let’s say it will top 200 mph out of the show room.  Spearheading the myriad mutations needed to turn a run-of-the-mill Corvette into a ZR1 is, of course, that blown hunk of aluminum residing between the front wheels. Contrary to what you might think, the LS9 isn’t based on the Z06’s 7.0-liter LS7, but rather the base Vette’s 6.2-liter LS3 (the LS3 has 76 percent carryover parts), with which it shares a 4.06-inch bore and 3.62-inch stroke. The LS7’s cylinder walls were deemed too thin to reliably handle the extra grunt of the supercharger. The LS9 has been validated to 150,000 hours, and saw no piston, rod, or crank failures in 6800 cumulative dyno hours. The hand-assembled engines come from GM’s Performance Build Center in Wixom, Michigan, and each one is hot-tested before it goes out the door.
The all-new blower is provided by Eaton, and is the sixth in its series of Roots-type superchargers. The Gen VI “Twin Vortices Series” rides between the cylinder banks, making max boost of 10.5 psi, and Chevy claims an increase in both efficiency and noise reduction over past superchargers. An air-to-liquid intercooler sits on top of the supercharger. By lowering the engine inside the car, engineers were able to avoid the tell-tale hood bulge required for most superchargers. As a result, hood height only increases an inch, although there is little space between the outside of the hood and the engine.
(caranddriver)References: online.wsj, caranddriver Filed In: |
Most Powerful & Expensive Vette
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2009 Chevrolet Corvette ZR1
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FOUR WAYS TO REACT: vote, favorite, add more examples of Most Powerful & Expensive Vette or comment about 2009 Chevrolet Corvette ZR1.
| rocketranger on Dec 20, 07 0 Trends 2,582 Comments |
Love the 02-05 Vettes Best.
But for 100K why drive some bland Vette.
Hello Chevy, modify the ZR1 model some.
Add Aero Package, rims, etc. |
rocketranger on Dec 20, 07 0 Trends 2,582 Comments
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| Allen Butler on Dec 20, 07 0 Trends 94 Comments |
| Oh car I will never own, thank you for being the one CHP will pull over instead of me. ^_^ |
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Allen Butler on Dec 20, 07 0 Trends 94 Comments
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| Ben Preiss on Dec 20, 07 485 Trends 67 Comments |
Glad you said it rocket. GM just doesn't give you your $100K worth. Same cheap plastic interior. Gimme a Porsche any day. |
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Ben Preiss on Dec 20, 07 485 Trends 67 Comments
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