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Re: rollingrock post# 113455

Friday, 10/29/2010 7:58:12 AM

Friday, October 29, 2010 7:58:12 AM

Post# of 479941
rollingrock -- yah, Chevy means nothing but shit:

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Corvette ZR1 Nurburgring 7:26.4

corvettehwc | July 10, 2008

I know many people have been very interested in how fast the ZR1 would be at the Ring...

Most car enthusiasts are quite familiar with the Nürburgring. Built in the 1920's near Cologne, Germany, "the Ring" is considered to be the toughest and most challenging race track in the world.

Over the last two weeks, we have been doing our final tuning and testing there before we start ZR1 production cars. This morning (Friday June 27), General Motors development engineer Jim Mero drove the Corvette ZR1 around the Nürburgring in a time of 7:26.4.

Jim commented after the lap that conditions were good except for a strong headwind down the main straight and that the lap was solid, but he felt there were a few places he could have gone faster.

The car was bone stock with the exception of the communications and safety equipment. The tires were production Michelin Pilot Sport 2's. These tires have been developed specifically for the ZR1 and will have impressive wet traction and wear (tread wear rating = 220), in addition to excellent dry road holding. Chassis alignment and vehicle height were set to factory specs. Likewise, the engine calibrations were absolutely stock, emissions compliant and the car ran on pump (not racing) fuel. The vehicle was exactly like the cars that will be built in Bowling Green, Kentucky and sold around the world later this summer.

Despite posting one of the fastest times ever run by a production car, Nürburgring lap times were not an over-riding priority in the development of the ZR1. The truth is, if the only priority was speed at the ring, the car would not be very pleasant to drive on American roads. The ZR1 is an incredibly capable track machine, but unlike most ultra-high performance cars, it is very easy to live with on a daily basis.

The timed lap was run with a rolling start, a departure from our previous practice of standing starts. This is more aligned with current industry practice. The lap was electronically timed and confirmed with two hand-held stopwatches.

http://www.youtube.com/watch?v=2ikj90_Un0o [via http://reviews.carreview.com/blog/corvette-zr1-burns-up-the-track-at-nurburgring-video/ ; also at http://www.youtube.com/watch?v=k6mEirkQN8o and http://www.youtube.com/watch?v=QothBmcy5Hg ]

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and just to note -- that's working with 638 hp and 604 lb-ft of torque from a supercharged 6.2 liter -- my old banger of a C5, a C5R-block 7.0-liter (427) twin turbo build good for around 740 hp currently, will soon be (just over) 1000 hp and 1000 lb-ft of torque, on pump 93, fully emissions-compliant and street-legal -- with a race-built ZR1 tranny with custom (taller) 5th and 6th gears, and running on ZR1 tires (on ZR1-sized HREs with the proper offsets to fit my C5) with the ZR1's carbon-ceramic brakes (among the other details for the up-build I've been nailing down, which is one of the things I've been focused on recently that's been limiting my time for posting)

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Lap of Le Mans: Corvette C5R

http://www.youtube.com/watch?v=55GnqoFGbd0

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badboyvettes.com - A Lap of Le Mans Onboard the Corvette C6R

http://www.youtube.com/watch?v=OyDdIdQEYH4

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yah, nothing but shit from Chevy -- . . .



Greensburg, KS - 5/4/07

"Eternal vigilance is the price of Liberty."
from John Philpot Curran, Speech
upon the Right of Election, 1790


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