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Old 06-21-2008, 02:17 AM   #1
Vettefan34
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Suggested NEW MOTOR for C7 ZO6

As everyone is aware Vette will not downgrade power anytime soon!
What should the C7 Z06 carry for a motor?
I think GM could look into a design similar to the all aluminum KATECH 500 c.i. LS7
Making 600 horses is fairly effortless for the size and it is still smog legal.
What do you guys think?
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Old 06-24-2008, 09:57 AM   #2
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I think GM should stick to the original corvette-layout:

big displacement V8 in front, RWD, lightweight, big hp and relativly low fuel consumption. I like the LS7 and hope they won't let it die for a supercharged gas guzzler.

The LS7 can be improved, maybe with direct fuel injection like the new Porsche engines, giving it 50hp more and lowering fuel consumption


-faulpelz
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Old 06-24-2008, 10:12 AM   #3
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I'm gonna put on my flame suit and say that a twin turbo diesel would be awesome! sorry had to wtf my own post lol.
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Old 06-24-2008, 01:46 PM   #4
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I'm gonna put on my flame suit and say that a twin turbo diesel would be awesome! sorry had to wtf my own post lol.
The Duramax Turbo is an awe some engine. But it would take 500 lbs of insulation to quiet it down enough for a passenger car. 660 ft lbs of tq at 1500 rpm makes a lot of noise...
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Old 06-28-2008, 12:14 AM   #5
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June issue of Automobile says the C7 will be smaller in all dimensions and will loose 200 - 300 lbs while reducing V8 engine (no change in cyls) displacement to 4.5 to 5.7 liters using VVT, DI and DOD (no surprises there). They said some GMers are lobying for a new clean-smooth diesel with 300+ HP and 500+ lb ft tq. The biggest problem with the oil burner is that it sports a heavy cast iron block.

Automobile also said that at least one C7 model was scheduled to get a version of the now "dead" 4 cam Northstar replacement.

Car rags say lots of stuff and are more of it is wrong than right. But, we all know that engine development is a much longer lead element than exterior design, and the high tech engine features they mention are an absolute slam dunk for the C7 - plus more we don't know about.
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Old 07-06-2008, 06:32 PM   #6
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Personally, the new engine should retain AROUND the same hp figures as right now. But the good part is that the engine would be hopefully be lighter. This would be a better way to increase power to weight ratio than simply increasing hp. Then again, it be better if it was lighter and more powerful.
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I can't come up with anything witty to say.
Old 07-06-2008, 06:37 PM   #7
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One of the things about the ZR1 that I was never enamored with was the smaller block and superchargers.

I say stick with the larger displacement engine and stay away from superchargers. Look at the Viper, 510 cubic inches and 600 horses which they say is easily capable of another 100 HP without superchargers.
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Old 07-06-2008, 07:14 PM   #8
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Quote:
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One of the things about the ZR1 that I was never enamored with was the smaller block and superchargers.

I say stick with the larger displacement engine and stay away from superchargers. Look at the Viper, 510 cubic inches and 600 horses which they say is easily capable of another 100 HP without superchargers.
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Old 07-07-2008, 07:33 PM   #9
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Quote:
Originally Posted by johniew398 View Post
One of the things about the ZR1 that I was never enamored with was the smaller block and superchargers.

I say stick with the larger displacement engine and stay away from superchargers. Look at the Viper, 510 cubic inches and 600 horses which they say is easily capable of another 100 HP without superchargers.
That Viper motor may be good for another 100BHP without supercharging but we will probably see 1,600BHP ZR1 corvettes with very few engines mods very soon.

With that said not every Corvette needs to have 1,000BHP and Zora was partial to the small block Corvettes over the big block Corvettes.
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Old 07-07-2008, 07:55 PM   #10
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Quote:
Originally Posted by johniew398 View Post

I say stick with the larger displacement engine and stay away from superchargers. Look at the Viper, 510 cubic inches and 600 horses which they say is easily capable of another 100 HP without superchargers.
These are great times, a few years from now there will be no 510 Viper or 427 Z06. Better get 'em while you can. But we can hope that they can get enough mass out of the C7 to maintain the current level of performance with the reduced engine size. Who knows, maybe overall performance might be improved - stranger things have happened...
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Old 07-07-2008, 08:59 PM   #11
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1) All C7s should standardize on one displacement for economies of scale -- at somewhere between 6.2 and 7.0 liters.

2) Shrinking the C7's displacement won't improve fuel economy much because then they would need to cam up in order to maintain the same power, thereby eliminating any mpg gains. Keep the big cubes coming GM.

3) The base C7 should have a mild cam and a lower redline for better fuel economy and to allow the use of affordable parts. The new Z06 should get basically the same motor but with all the exotic high rpm bits and just pay the gas guzzler tax. The ZR1 should be supercharged for even more power while still keeping the EPA modestly happy.

4) I personally prefer NA motors but supercharging allows GM to make the most power with acceptable economy, reliability, and emmisions -- I'm not sure a 638 hp LS7 could make it past the EPA.
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Old 07-07-2008, 10:24 PM   #12
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I say drop that displacement down 5.5-6.5L, let's see some FI and putting down 500-550 HP with an 8k redline.
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Old 07-08-2008, 09:35 PM   #13
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10.4 L W16 quad turbo charged would be nice
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07 Black Z51 6spd mn
Old 07-08-2008, 09:50 PM   #14
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10.4 L W16 quad turbo charged would be nice
Wouldn't that raise the price a tiny bit? But who would not love 1001HP.
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Old 07-08-2008, 11:04 PM   #15
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Quote:
Originally Posted by johniew398 View Post
One of the things about the ZR1 that I was never enamored with was the smaller block and superchargers.

I say stick with the larger displacement engine and stay away from superchargers. Look at the Viper, 510 cubic inches and 600 horses which they say is easily capable of another 100 HP without superchargers.
I'm with you on this one, BTW the Viper is 512ci ( 8.4L )

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Also when the last year ZO6 is announced I will buy the last year and someday do a cam,exhaust intake tune and I really dont think a faster daily driver will be around.I get bored with cars fast ( I have had 35 cars, 11 vettes ) but the ZO6 amazes me every drive. I can realy say for once I'm happy with my car and plan to be a C6 ZO6 driver for a long time!
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