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View Poll Results: Your guess for the Z28 LSA HP rating
Less than 556 HP 95 13.63%
556 HP 159 22.81%
More than 556 HP 386 55.38%
We don't even know if the LSA is going to be in the Z28! Stupid question! 57 8.18%
Voters: 697. You may not vote on this poll

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Old 01-07-2011, 08:16 AM   #85
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My guess, more than the Caddy lest than the ZR1.
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Old 01-07-2011, 08:34 AM   #86
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You guys need to look at the history of chevy. You're not going to get it all, the 1st year out. Then there will be nothing to sell the following year.

So, look for a 100hp jump from the standard V8 for the Z28. In a year or 2 they'll up the hp some more.

The Corvette will be dropped in a couple of years and the Camaro will then be pulled out of Canada and will finally become American Made, where the Corvette was once built.

Not exactly what I want to see happen but my crystal ball is pretty accurate.
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Old 01-07-2011, 09:56 AM   #87
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Originally Posted by bobmac427 View Post
You guys need to look at the history of chevy. You're not going to get it all, the 1st year out. Then there will be nothing to sell the following year.

So, look for a 100hp jump from the standard V8 for the Z28. In a year or 2 they'll up the hp some more.

The Corvette will be dropped in a couple of years and the Camaro will then be pulled out of Canada and will finally become American Made, where the Corvette was once built.

Not exactly what I want to see happen but my crystal ball is pretty accurate.


You need to take that crystal ball in for service.
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Old 01-07-2011, 10:07 AM   #88
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You need to take that crystal ball in for service.
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Old 01-07-2011, 10:14 AM   #89
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525 HP.......
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Old 01-07-2011, 10:50 AM   #90
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Quote:
Originally Posted by bobmac427 View Post
You guys need to look at the history of chevy. You're not going to get it all, the 1st year out. Then there will be nothing to sell the following year.

So, look for a 100hp jump from the standard V8 for the Z28. In a year or 2 they'll up the hp some more.

The Corvette will be dropped in a couple of years and the Camaro will then be pulled out of Canada and will finally become American Made, where the Corvette was once built.

Not exactly what I want to see happen but my crystal ball is pretty accurate.
Considering that the C7 Vette is due out in a couple of years (and it should be a short lived place holder model) and they are already working on the C8 Vette, perhaps your crystal ball needs a good cleaning so you can see the future better.
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Old 01-07-2011, 12:18 PM   #91
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GM is NOT going to give the new Z/28 more substantially power than the CTS-V for $12,000 less. It's just not going to happen.

People need to use the brains God gave them and look into past performance cars to find the answer to this question. The new engine is most likely going to be the LSA, and it will only make more power than the 556 HP the CTS-V has, if the intake and exhaust are slightly more free-flowing. I would guess a 10 HP bump to approximately 566 HP.

GM has absolutely no reason to push the limits of the motor more than they already have (and for less money, even).

This new Z/28 doesn't need 600 or 800 HP to be competitive and beat the GT500 performance numbers. It just needs high quality, wide, and sticky tires (read: not Goodyear F1s) and a great suspension setup for the roadcourse.

it gave the SS 424 same than a corvette in a ls3 for 20,000 less oh yes i say around 600. Chevy didn't come to compete with ford they came here to bury them
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Old 01-07-2011, 01:25 PM   #92
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Originally Posted by jose1003 View Post
it gave the SS 424 same than a corvette in a ls3 for 20,000 less oh yes i say around 600. Chevy didn't come to compete with ford they came here to bury them
If they dont they might as well pull out all the stops for the Camaro. The GT500 has been a known element for 4-5 years now in both forms..if the Z28 didnt do it better then that would be pathetic.

The LS3 in the Camaro produces less power than the same LS3 in the Corvette.

My guess is 565ish HP.
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Old 01-07-2011, 02:45 PM   #93
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Ford will just have to figure out how to put 2 superchargers on the GT500!
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Old 01-07-2011, 02:46 PM   #94
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Even if GM did keep the Z/28's output under that of the CTS-V by restricting airflow, it just means you'll be able to rework the intake/exhaust and really open it up.
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Old 01-07-2011, 02:59 PM   #95
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Ford will just have to figure out how to put 2 superchargers on the GT500!
My guess is a twin-turbo 5.0.

If they do that..hello 650 HP.
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Old 01-07-2011, 03:15 PM   #96
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Between 580-600 horse, IMO.

I don't really believe GM is going with power between SS and CTS-V. I see many photos with the GT500 in prototype testing, therefore I'm thinking that is the target. Having said that, in order to be competitive now, I believe Z28 has to at least match the GT500 where it currently is. However, I believe the GT500 is going to get a bump by 2012, so I think GM will try to look ahead, bump it closer to ZR1, so it's not going to see a huge spread, if any, should it be a significant increase from the serpent. It has to make up for the weight, which I believe will fall in between SS coupe and convert', so I'm a little torn on how to propose it will get there.

Since I've read CTS-V's exhaust is quite conservative, and it being a luxury car, I believe their are restrictions that can be relaxed for Z28, resulting in a small bump from LSA level. It appears the intake and exhaust systems might be a little less restrictive when the V6 goes from CTS to CAMARO, so that's another little bit of support to me. In addition, the quad tips suggest dual-mode exhaust, like those featured on the Y-Bodies; another opportunity for a bit more power. It certainly sounded better in those videos at the 'Ring!

A new upper intake plenum suggests to me there's a little more development between LSA and LS9. Because the upper plenum doesn't appear to be as flat as LS9, maybe there is a little less restriction, so perhap we could see a 2300 running 1900 psi levels (10.5 to 9.0, respectively) and make the power I'm suggesting.

It'd be nice to see an upgrade to the short block, for the pistongs and rods. I don't think Ti rods are necessary, but it'd be nice to see the forged slugs from LS9 carry over, and maybe some forged H-beam rods from the GMPP catalog. I'd like to see LS9's cam come over, too, since it doesn't have to be conservative, like one would expect in a luxury vehicle, like CTS-V. It'd be nice to be able to grow, safely, to 600-650 RWHP, like the GT500 can (and more...), but I can't complain, too much, knowing that if GM releases a 600 horse' Z28, it can't be pushed to 700 horse' with a little pulley, CAI, and exhaust upgrading/tuning.

I'm just crossing my fingers the chassis tuning will match the power in terms of performance. I'm sure we're going to be adding weight, so I hope GM can find a way to control it
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Old 01-07-2011, 05:41 PM   #97
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For those of you who are still unsure about the LSA going into the Z-28...
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Old 01-07-2011, 07:01 PM   #98
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I'm willing to bet the engine will be the LSA but the horsepower will be less than 556 hp. I don't see GM giving the Camaro more power than the Cadillac CTS-V rating of 556. The LS3 is in the Corvette and Camaro SS but the Corvette has slightly more horsepower. The horsepower for the Z28 will probably be around 540-550.
So you think Chevy will release a Z28 that cannot beat the GT500.
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