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Corvette ZR-1!

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Old 12-20-2007, 01:56 AM
  #21  
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i think i've got those wheels on my model (toy) c6, they look like plastic, maybe its the pictures.
its cool that they put the skull on there from the race car, but i still think its kind of
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Old 12-20-2007, 09:21 AM
  #22  
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Originally Posted by Mach929
they should have done something naturally aspirated, they could have made a 7L engine 650hp without a blower....for some reason the blower cheapens it for me
They put a blower on it because GM said they couldn't really push more hp/torque out of the LS7 and guarantee it would be stone-cold reliable for 100,000+ miles.

C'mon, we're in a ******* day and age in which 620+hp engines can go as long before maintenance/rebuilds as your mom's Buick.

Anyone have a Ferrari Enzo's maintenance schedule handy for comparison?
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Old 12-20-2007, 09:25 AM
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Originally Posted by The_Pipefather
Why oh why does it not have a DOHC valvetrain like the original ZR1?
because the sbc gets the job done.
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Old 12-20-2007, 09:37 AM
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I would love to mimic the intercooler set up for my cold side SC. I have a feeling its going to be an expensive project.
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Old 12-20-2007, 09:42 AM
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And a DOHC engine with a blower would not easily fit under the hood.

I've gotta say, that see-through piece on the hood is a bit gimmicky. For that very reason, I'm not going to buy one...
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Old 12-20-2007, 10:33 AM
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you can remove or replace it with a carbon exducer, that would be cool
thats a really pimp ride IMO, i like the looks, and yes the blower does blow (pun intended)
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Old 12-20-2007, 10:53 AM
  #27  
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Originally Posted by Al Hounos
i still think they shoulda called it the Z0666
DUN DUN DUN
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Old 12-20-2007, 12:02 PM
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Originally Posted by The_Pipefather
Why oh why does it not have a DOHC valvetrain like the original ZR1?
What for. It will be heavier and eat more space. Besides I *think* its four valves per cylinder with variable timing too.

Originally Posted by elesjuan
ONLY 6.2 liters, Supercharged, and ONLY 650hp??

Come on. LS1 5.7 liter Z06 Vette 410hp + 12psi Procharger == like 700rwhp!

I'll still take the vette.

Anyone notice the Skull with Vette logo on the ram air box?
Chevrolet never posts the real number for their Corvettes, they are always off by a decent margin.
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Old 12-20-2007, 12:52 PM
  #29  
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Originally Posted by Saml01
What for. It will be heavier and eat more space. Besides I *think* its four valves per cylinder with variable timing too.
The LS9 has neither. GM did make a pushrod engineering exercise engine a couple years ago that had three valves per cylinder.

And they do have a 3.5/6L V6 pushrod engine with variable timing via a phasable camshaft pulley.

And the new Dodge Viper has a variable timing via the same sort of camshaft pulley, but they use it to adjust the exhaust valve timing independtly of the intake valve timing via a wicked-cool, two-piece camshaft (whereas the GM V6 has a normal one-piece cam).
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Old 12-20-2007, 06:56 PM
  #30  
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Now that "Almost everything is now carbon fiber" I wonder if we'll get to see an un-painted (or un-gelcoated, or whatever) version of the car.
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Old 12-20-2007, 07:14 PM
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I'm curious.. Did anyone happen to notice the brake specs? Imagine that on a 2400# miata??
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Old 12-20-2007, 07:53 PM
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Originally Posted by Efini~FC3S
The fact that the brake rotors are .5" bigger then my plus sized wheels makes me cry a little bit inside.
Yah I noticed. Big brakes are teh sex.
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Old 12-20-2007, 07:59 PM
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Originally Posted by SamS
psh, 100hp/L, half of the members here can beat that. :gay:
totally.... and my S is N/A. $100K for a POS GM.. bitch pulease.

gdamn it does look sweet tho..
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Old 12-20-2007, 08:14 PM
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Originally Posted by Saml01
What for. It will be heavier and eat more space.

I dont think it'll be heavier. It just costs more to build a DOHC valvetrain. Apparently GM spent untold amounts of money getting Lotus to design the heads and Mercury to build them.
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Old 12-20-2007, 08:28 PM
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Originally Posted by The_Pipefather
I dont think it'll be heavier. It just costs more to build a DOHC valvetrain. Apparently GM spent untold amounts of money getting Lotus to design the heads and Mercury to build them.
IMHO GM didn't go "Cammer" because its not necessary for high flow cylinder heads. I think they've spent the past 60 years proving that push rod engines with 2 valves per cylinder when designed and built correctly are the ****.

Look at the first of the 4.6 Mod ford engines.. Yeah, they were only 281cid but their power output was pathetic.. The cobra 5 liter had bigger ***** then the 281 for years. I've yet to see any significant N/A power out of those engines from the factory anyway, and technically the Cobra-R doesn't count. They increased displacement and had a ridiculously oversize intake manifold setup just to obtain 385. Sure you strap Mr. Eaton onto them and you've got a handfull DAMN fast, but N/A I think they're pretty crappy. Thats just my opinion though.
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Old 12-20-2007, 08:30 PM
  #36  
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Originally Posted by The_Pipefather
Apparently GM spent untold amounts of money getting Lotus to design the heads and Mercury to build them.
Yeah, not many people know that. It should be mentioned that it wasnt Murcury, the Ford brand that made them. It was Mercury MARINE. Y'know those outboard boat motors? I find it funny that the biggest car manufacturer in the world couldent come up with a motor for their own car.
"Hey, my bass boat has good power, maybe we should put a MerCruiser in the new Vette?!"

And it actually happened.

Kind of like Ford wanting a good motor and asking Yamaha to make it (Taurus SHO)
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Old 12-20-2007, 10:42 PM
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Originally Posted by elesjuan
IMHO GM didn't go "Cammer" because its not necessary for high flow cylinder heads. I think they've spent the past 60 years proving that push rod engines with 2 valves per cylinder when designed and built correctly are the ****.

I hope you're joking. If what you said were true, then every engine raced at the top level would have pushrod activated valves. Imagine an F1 car, with probably the highest flowing heads known to man, having pushrods. They would self-destruct the minute the engine goes off-idle (which is like 5000 rpm).

GM is simply trying to generate press hoopla on nothing but an antiquated piece of crap that can be made cheaply and sold at a premium. I mean, come on, 100 hp per liter is cutting edge now? That too from a boosted engine? Sure, the chassis is top class and there is some state of the art body technology, but that engine doesnt belong there. Atleast on a car that says "ZR-1" on it. The SBC looks good where it belongs, on a 35-year old muscle car, not in an ultra-modern sports car.

Sorry to say, but IMHO, the LS9 is like the proverbial "polished turd".
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Old 12-21-2007, 09:37 AM
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Friend's 2006 Z06 put down 495 to the tires with a CAI, aftermarket exhaust, and some ECU tweaking. I'd say this beast will do far beyond the OEM spec with just a little work.

I'll take mine in that gunmetal/graphite/whatever type color.
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Old 12-21-2007, 10:02 AM
  #39  
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You know, i bet they could save some weight if they dumped that steel leaf-spring **** for rear suspension and went with a nice IRS with forged aluminum arms.....
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Old 12-21-2007, 10:06 AM
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Originally Posted by The_Pipefather
I hope you're joking. If what you said were true, then every engine raced at the top level would have pushrod activated valves. Imagine an F1 car, with probably the highest flowing heads known to man, having pushrods. They would self-destruct the minute the engine goes off-idle (which is like 5000 rpm).

GM is simply trying to generate press hoopla on nothing but an antiquated piece of crap that can be made cheaply and sold at a premium. I mean, come on, 100 hp per liter is cutting edge now? That too from a boosted engine? Sure, the chassis is top class and there is some state of the art body technology, but that engine doesnt belong there. Atleast on a car that says "ZR-1" on it. The SBC looks good where it belongs, on a 35-year old muscle car, not in an ultra-modern sports car.

Sorry to say, but IMHO, the LS9 is like the proverbial "polished turd".

I guess this arguement would hold up well if it didn't work so well...at 100K and smoking so called high tech cars costing twice as much, hard to argue...if it aint broke....650 plus HP, is 650 plus hp, at the finish line does it mattter if you get there first?
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