Any Corvette ZR-1 Fans?
12-31-2007, 08:20 AM
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ABout 12 years ago was the last zr-1 made. The Lotus/GM guys know how to make a powerful v8. 12 years ago, they had a v8 producing 400 hp and the gas mileage wasn't that bad either (8-12mpg). Now, the v8 will make around 600+ hp supercharged. So what's up with BMW's v8 guys? We have to twin turbo it to pass the 400 hp or what? 
12-31-2007, 08:30 AM
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I don't think BMW had to turbo charge the new X6 V8 to get 400 hp. They did the turbo for fuel economy. You forget the new M3 has a 4.0 V8 with 420 hp.
12-31-2007, 08:50 AM
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Originally Posted by vegastrashed' post='512272' date='Dec 31 2007, 11:30 AM
I don't think BMW had to turbo charge the new X6 V8 to get 400 hp. They did the turbo for fuel economy. You forget the new M3 has a 4.0 V8 with 420 hp.
I guess someone can argue that hp/liter isn't everything, but strictly engine efficiency speaking, I guess BMW still as the upper hand.
12-31-2007, 08:59 AM
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Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
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Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R
Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3
MOST IMPORTANT: Hardwired V1; =)
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Engine efficiency may go to BMW, but N/A V8 tunability to GM.
12-31-2007, 09:06 AM
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12-31-2007, 01:24 PM
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Originally Posted by Bimmer32' post='512294' date='Dec 31 2007, 10:50 AM
Yah, I forgot about the M3. All things in perspective, Corvette LT5 was producing about 71 hp per liter in 1993 (5.7 liters at 405 hp). 10+ years later, BMW makes a 102 hp per liter, so I guess that's improvement over 72 hp per liter for the stock z06 7.0 liter (505 hp) Vette.
I guess someone can argue that hp/liter isn't everything, but strictly engine efficiency speaking, I guess BMW still as the upper hand.
I guess someone can argue that hp/liter isn't everything, but strictly engine efficiency speaking, I guess BMW still as the upper hand.
And the best thing is the LS7 is lighter than the M3 V8.
01-01-2008, 05:46 PM
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Originally Posted by JetBlack5OC' post='512377' date='Dec 31 2007, 05:24 PM
Horsepower is derived from torque and rpm. More horsepower can come about in two ways, make more torque, or make torque at a higher rpm. The two engines use completely different philosophies to create horsepower, neither one being a better way. The M3 V8 uses high revs or rpms to create its horsepower, you have to ring out the engine to get to the peak power(8,300rpm). The Z06 LS7 is a great example of using displacement to create more torque and then more horsepower. The LS7 is a 7.0 liter, which creates 500hp at 6,200rpm and 475tq at 4,800rpm.
And the best thing is the LS7 is lighter than the M3 V8.
And the best thing is the LS7 is lighter than the M3 V8.
01-02-2008, 08:46 AM
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Originally Posted by pukka' post='512652' date='Jan 1 2008, 09:46 PM
A high revving V-8 makes no sense
01-02-2008, 10:37 AM
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Originally Posted by Bimmer32' post='512269' date='Dec 31 2007, 06:20 PM
ABout 12 years ago was the last zr-1 made. The Lotus/GM guys know how to make a powerful v8. 12 years ago, they had a v8 producing 400 hp and the gas mileage wasn't that bad either (8-12mpg). Now, the v8 will make around 600+ hp supercharged. So what's up with BMW's v8 guys? We have to twin turbo it to pass the 400 hp or what?
01-02-2008, 11:21 AM
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Originally Posted by JetBlack5OC' post='512377' date='Dec 31 2007, 04:24 PM
Horsepower is derived from torque and rpm. More horsepower can come about in two ways, make more torque, or make torque at a higher rpm. The two engines use completely different philosophies to create horsepower, neither one being a better way. The M3 V8 uses high revs or rpms to create its horsepower, you have to ring out the engine to get to the peak power(8,300rpm). The Z06 LS7 is a great example of using displacement to create more torque and then more horsepower. The LS7 is a 7.0 liter, which creates 500hp at 6,200rpm and 475tq at 4,800rpm.
And the best thing is the LS7 is lighter than the M3 V8.
And the best thing is the LS7 is lighter than the M3 V8.