2009 ZR1 tops 205 mph and Dyno # 638 hp - ZR-1 Net Registry Forums

04-25-2008

http://www.autoweek.com/apps/pbcs.dl...&rssfeed=rss01

There is a video at the link of the top speed run.

The official dyno numbers are in: The supercharged 6.2-liter V8 in the forthcoming Chevy Corvette ZR1 cranks out 638 horsepower.

That's about 20 hp more than the estimates from General Motors' powertrain gurus when they unveiled the new ZR1 and its monster motor last December.

To simplify the math: The LS9 engine in the ZR1 is rated at 103 hp per liter of displacement, or 1.7 hp per cubic inch (6.2 liters is equal to 376 cubic inches, for the old schoolers in the audience.)

All that power will push the Corvette ZR1, which goes on sale this summer, to a top speed of more than 200 mph, GM says. A suggested retail price for the car hasn't been set, but it is expected to be in the neighborhood of $100,000.

What about the grunt? The official number is 604 lb-ft of torque.

The key to that making all the horsepower and torque is a Roots-type supercharger with four-lobe rotors that sits atop the LS9 engine. A liquid-to-air intercooler is integrated into the supercharger's housing.

The supercharger has a volume of 2.3 liters, with a maximum boost pressure of 10.5 psi. Turning that blower required engineers to fit the LS9 with an 11-rib accessory drive belt.

The engine will be hand-built at GM's Performance Build Center in suburban Detroit, the same plant that hand-builds the LS7 V8 used in the Corvette Z06.

Time for some bench measuring, you say? OK:

-- The 6.0-liter V12 in the Ferrari 599 GTB Fiorano is rated at 620 hp and 448 lb-ft.

-- The 6.5-liter V12 in the Lamborghini Murcielago is rated at 580 hp and 650 lb-ft.

-- The turbocharged 3.6-liter flat six-cylinder engine in the Porsche 911 GT2 is rated at 530 hp and 505 lb-ft.

vinsZR-1 · 04-25-2008

0-60 ?

GOLDCYLON · 04-25-2008

Damn I guess life now begins at 205.

And a change of underwear at 200 !!

Aurora40 · 04-25-2008

Quote:

Originally Posted by Jeffvette

Turning that blower required engineers to fit the LS9 with an 11-rib accessory drive belt.

Interesting. On my wife's blown Buick, they use a separate belt for the blower than for the accessories. I wonder if there just wasn't room on the 'vette?

cuisinartvette · 04-25-2008

Awesome, hope I see one of those getting hammered on the street and not just tucked away in someones garage rotting somewhere.

Kevin · 04-25-2008

you are not tri-shield....

White Bullet · 04-25-2008

Hope I can see the day I can afford one

. It just might be another 20 years though. Any way it will be a monster

.

Sgreg · 04-26-2008

I would be impressed but my 392 hemi with a 671 huffer and two big fours put out over 750 HP in 1963. I think it looked a little nicer than those plastic covers, too !! Speed and power is only part of the equation and we of the dash ZR-1's know that.

95ZR1#418 · 04-28-2008

They'll never hook-up and we'll just blow them off the road....

04-25-2008	#1
Jeffvette Guest Posts: n/a	2009 ZR1 tops 205 mph and Dyno # 638 hp http://www.autoweek.com/apps/pbcs.dl...&rssfeed=rss01 There is a video at the link of the top speed run. The official dyno numbers are in: The supercharged 6.2-liter V8 in the forthcoming Chevy Corvette ZR1 cranks out 638 horsepower. That's about 20 hp more than the estimates from General Motors' powertrain gurus when they unveiled the new ZR1 and its monster motor last December. To simplify the math: The LS9 engine in the ZR1 is rated at 103 hp per liter of displacement, or 1.7 hp per cubic inch (6.2 liters is equal to 376 cubic inches, for the old schoolers in the audience.) All that power will push the Corvette ZR1, which goes on sale this summer, to a top speed of more than 200 mph, GM says. A suggested retail price for the car hasn't been set, but it is expected to be in the neighborhood of $100,000. What about the grunt? The official number is 604 lb-ft of torque. The key to that making all the horsepower and torque is a Roots-type supercharger with four-lobe rotors that sits atop the LS9 engine. A liquid-to-air intercooler is integrated into the supercharger's housing. The supercharger has a volume of 2.3 liters, with a maximum boost pressure of 10.5 psi. Turning that blower required engineers to fit the LS9 with an 11-rib accessory drive belt. The engine will be hand-built at GM's Performance Build Center in suburban Detroit, the same plant that hand-builds the LS7 V8 used in the Corvette Z06. Time for some bench measuring, you say? OK: -- The 6.0-liter V12 in the Ferrari 599 GTB Fiorano is rated at 620 hp and 448 lb-ft. -- The 6.5-liter V12 in the Lamborghini Murcielago is rated at 580 hp and 650 lb-ft. -- The turbocharged 3.6-liter flat six-cylinder engine in the Porsche 911 GT2 is rated at 530 hp and 505 lb-ft.

04-25-2008	#2
vinsZR-1 Join Date: Oct 2007 Location: Jeannette Pa Posts: 62	Re: 2009 ZR1 tops 205 mph and Dyno # 638 hp 0-60 ? __________________ vinsZR-1

04-25-2008	#3
GOLDCYLON Join Date: May 2007 Location: Peoria, AZ Posts: 9,154	Re: 2009 ZR1 tops 205 mph and Dyno # 638 hp Damn I guess life now begins at 205. And a change of underwear at 200 !! __________________ GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V

04-25-2008	#5
cuisinartvette Join Date: Aug 2005 Location: San Fernando Valley, CA. Posts: 896	Re: 2009 ZR1 tops 205 mph and Dyno # 638 hp Awesome, hope I see one of those getting hammered on the street and not just tucked away in someones garage rotting somewhere. __________________ 1990 ZR1, 142,000 miles-Black on black 4.09's Haibeck chip, 3"exh, K&N, meth inj.

04-25-2008	#6
Kevin Join Date: Jun 2005 Location: pittsburgh Posts: 4,633	Re: 2009 ZR1 tops 205 mph and Dyno # 638 hp you are not tri-shield.... __________________ It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B"

04-25-2008	#7
White Bullet Join Date: Apr 2008 Location: Gainesville GA Posts: 232	Re: 2009 ZR1 tops 205 mph and Dyno # 638 hp Hope I can see the day I can afford one. It just might be another 20 years though. Any way it will be a monster . __________________ 1991 ZR1, White/Red.

04-26-2008	#8
Sgreg Join Date: Aug 2006 Location: Texas Posts: 518	Re: 2009 ZR1 tops 205 mph and Dyno # 638 hp I would be impressed but my 392 hemi with a 671 huffer and two big fours put out over 750 HP in 1963. I think it looked a little nicer than those plastic covers, too !! Speed and power is only part of the equation and we of the dash ZR-1's know that. __________________ 1991 ZR-1, Black, Black, # 541

04-28-2008	#9
95ZR1#418 Join Date: Jul 2005 Location: Western Montana, now Maryland Posts: 191	Re: 2009 ZR1 tops 205 mph and Dyno # 638 hp They'll never hook-up and we'll just blow them off the road.... __________________ Later-Bob :D [IMG]http://www.axoplasmic.com/800x600/toponzr1.jpg[/IMG][IMG]http://www.axoplasmic.com/800x600/topoffzr1.jpg[/IMG][URL="http://axoplasmic.com/AXOPLASMIC/ZR1.html"]My '95 ZR-1 Home Page[/URL]