Gen 5 Racing Tech Heads, cam, valvetrain, short block discussion

Yahoo Exposes 2010 Camaro and its Engine/Options

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Old May 27, 2008 | 05:05 PM
  #41  
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Well, in the past, gm people (fbodfather) have come in to deny engine rumors (i.e. the old 5.3, 6.2 V8 lineup).
Not a peep now.
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Old May 27, 2008 | 05:06 PM
  #42  
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I'm pretty sure it's going to be LS3 powered. All those jackets they have floating around in Ontario say "LS3 Camaro". Unless they're just blowing money on fake jackets, I think it's safe to say that the engine will be an LS3 for the base V8, and a 3.6 Caddi engine for the upper 300+rwhp V6.
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Old May 27, 2008 | 05:35 PM
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i just hope they have the headlights like the concept lol i could care less about the engine, it's not going to stay stock for more than a few hours.... there will be a nitrous kit under the hood the same day!!
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Old May 27, 2008 | 08:42 PM
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Originally Posted by Carlito's
Here's a little something I found:

"In December 1966, Chevrolet then quietly released one of the most famous options codes of all time, option Z-28. Unpublicized and unknown by most of the buying public (and most Chevrolet sales people for that matter) and not mentioned in any sales literature, the only way someone could order the Z-28 package was to order a base Camaro with the Z-28 option, mandatory front disc brakes with power assist, and the Muncie 4-speed transmission. You could not order the SS package, automatic transmission, air conditioning, or the convertible. What you got was a unique 302 CID small block (Non-California emission cars were labeled MO while California emission engines were labeled MP) that was created by taking the 327 block and installing the short-stroke 283 crank. Specifically designed to compete in the Club of America Trans Am racing series which placed a 305 CID limit on its entries, the Z-28 was available to the public solely to qualify the car for racing. Advertised horsepower was listed at just 290bhp, which was not very impressive until one hooked it up to a dyno and got actual readings of 360-400bhp. The Z-28 also came with a competition suspension, broad racing stripes on the hood and trunk lid and could be combined with the RS option package. There was no Z-28 badging at all, lest it attract to much attention. The Z-28 proved to be difficult to launch on the street because its high revving engine was lethargic under 4000rpm and worked best when it was shifted at 7500rpm (!). Once it got going, the Z28 was tough to beat and boosted a 140mph top speed and numerous racing victories. Only 602 Z-28s were sold in 1967, making it a truly desirable collectable."

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'Los
As far as dyno numbers are concerned , I have never seen one on a showroom purestock 67 Z/28 and neither have you . That 360-400HP must have been a pie-in the sky figure because its a well documented fact that off the showroom models struggled to break into the 14's . And because they all came with the 2.20 low gear close ratio transmission they supposedly came only with the 4.11 twelve bolt rear ends . A racer friend of mine bought one of the first in our city while I had just bought my 67 Chevelle SS 4-speed 396/350 HP with am/fm & A.C. with a 3.08 12-bolt . From a dig or a roll at his sweet spot , it wasn't even a good race . After that I was never impressed by the Z/28 option Camaro .
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Old May 27, 2008 | 11:05 PM
  #45  
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They need to produce a dressed down V8 version for us purist who just want a car with a V8 that we can play with.Upper $30's means upper $40's for us Canadians.
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Old May 27, 2008 | 11:13 PM
  #46  
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Originally Posted by JD_AMG
Unless there is something wrong with your LS1, its making 345hp like every other stock LS1, no matter what they are rated at. And I honestly don't see this V6 getting much, if any better mileage than a sub 400hp V8...
320/330 to the wheels for my auto ls1
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Old May 27, 2008 | 11:54 PM
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JD_AMG, The V6 will get better mileage, as most LS1/2/3/7's get upwards of 25 mpg.
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Old May 28, 2008 | 12:09 AM
  #48  
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Originally Posted by bmxer8699
320/330 to the wheels for my auto ls1
Exactly, thats WHEEL hp, manufacturers rate at the flywheel. The V6 has 300 FLYWHEEL hp, so probably 260RWHP.

Originally Posted by Semper91-RS
JD_AMG, The V6 will get better mileage, as most LS1/2/3/7's get upwards of 25 mpg.
Which should be what the 300hp V6 will get...
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Old May 28, 2008 | 03:34 PM
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Originally Posted by Semper91-RS
JD_AMG, The V6 will get better mileage, as most LS1/2/3/7's get upwards of 25 mpg.
There are only two benefits of having a v6 over a v8; paying for 87 octane instead of 92 octane and the lower insurance payments. And if you're old enough, the latter doesn't matter. I guess the fact that a V6 Camaro is cheaper than a V8 Camaro could be the third benefit, but you can make a V6 Camaro as expensive as a stripped SS.

There might be a 1 MPG difference in fuel usage. As for me, I'd rather have the extra 100 or 200hp. Thank you very much.
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Old May 28, 2008 | 05:28 PM
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The only thing I was really thinking was smaller displacement = 2 or 3 mpg better. Hell, my old 350 91 RS got at least 18mpg, which wasn't THAT bad for a big gas sucking truck engine. But if it's gonna make over 300rwhp, us V8 guys are going to have some serious competition.
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Old May 28, 2008 | 06:16 PM
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Originally Posted by JAY ROD
They need to produce a dressed down V8 version for us purist who just want a car with a V8 that we can play with.Upper $30's means upper $40's for us Canadians.
thats why I'll never buy a car in Canada(of course with a good CAD money value vs USD). I bought my SS in Florida, and I'll buy my next Camaro in the US too.
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Old May 28, 2008 | 07:45 PM
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Originally Posted by OctaneZ28
This article is purely speculation.

Don't take anything as fact until the General gives us the real info.
I talked to a GM rep visiting from Michigan in person today.

The LS designation thing was questionable. But everything else in that yahoo article you can "take to the bank".
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Old May 28, 2008 | 08:50 PM
  #53  
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Mind giving us the reps name? Anyone could go "I talked to a rep".
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Old May 28, 2008 | 11:09 PM
  #54  
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I typed up a more lengthy post with much more detail, and decided that I dont want someone to lose their job.

This isnt someone I just bumped into at a bar and claimed they are a GM rep. Its professional level contact.

Besides, the LS3 as the base V8 and a supercharged version were widely expected (and logical), even by me especially after first hand reports of the test cars. I was just surprised to hear that the Z and SS would be reversed, but we've been hearing that speculation for awhile also too. But there you have it. The only objection I received was about the LS designation for the base V6. Possibly because plans are changing to replace the base v6 with the turbo 4 cylinder, but thats complete speculation on my part. I didnt ask.
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Old May 28, 2008 | 11:54 PM
  #55  
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If they're gonna go retro, they should go all the way.

Z28 (available with few options, suspension & brake upgrades, 302 ci GEN4 <probably destroked ls2>)

SS (Loaded with options, LS3, possibly even stroked to 396 ci so they could throw some SS 396 badges on it)

ZL1 (LS7... nice replacement for the original alum. 427, even though I've heard they're gonna stop making them)

I'm not a big fan of going to forced induction. The Camaro has always done without it in the past, and done well. I'd be all over a Z28 with a 302... wouldn't be hard to make either... LS2 block + 3" stroke = high revving 302.

Of course, I know it'll never happen that way... just a thought.
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Old May 29, 2008 | 12:32 AM
  #56  
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Originally Posted by SJRTX
I was just surprised to hear that the Z and SS would be reversed, but we've been hearing that speculation for awhile also too. But there you have it.
The only reason why I think that wont happen is the fact that the SS badge is supposed to mean the car turns, accelerates, stops at a superior level. Watch this youtube video with Bob Lutz talking about the HHR SS at about 2 minutes and 30 seconds (http://www.youtube.com/watch?v=i6iF9yAE6GI). He states that's what the SS badge will mean (not just on the HHR, but every Chevrolet vehicle that carries the badge), basically, top performance. I think making the z/28 top dog would confuse everyone. "Why isn't the SS model better than the z/28 model? I thought the SS model was supposed to be the best model." I could be taking Bob Lutz's words to heart, but I feel it would be a smarter move for GM to keep it in this order; Base, RS, Z/28, SS.

It would kind of be like making the z06 corvette the top dog again and make the ZR1 below it. Wouldn't make much sense. Rough comparison since there is absolutely no confusion on which model is better, but you get my point. That's how people see it now, why change it?

Originally Posted by SJRTX
The only objection I received was about the LS designation for the base V6. Possibly because plans are changing to replace the base v6 with the turbo 4 cylinder, but thats complete speculation on my part. I didnt ask.
Personally, either engine would be fine with me. They are both great engines worthy of being in the base Camaro. The only problem I see with putting the LNF engine in the base Camaro would be that it's a base model. All of the other cars that have the LNF engine are the top models. SS, GXP, RedLine. But, who knows...
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Old May 29, 2008 | 12:37 AM
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I suspect the blown version will be a straight transplant from the 09' CTS-V. It doesn't make since that GM would delay the introduction of the blown version past 10' if it's already going to be out in the caddy a year prior. Word is that the caddy won't get forged internals, but this too isn't logical. 550bhp is official for 09' and I can't envision GM putting a blower making that much power with a 100k mile warranty and cast internals. Think we should keep an eye out for the specs of the internals on the caddy, since within all likely hood it will probably be the same powerplant in the top camaro. If it's forged, were gold.
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Old May 29, 2008 | 12:44 AM
  #58  
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Personally, either engine would be fine with me. They are both great engines worthy of being in the base Camaro. The only problem I see with putting the LNF engine in the base Camaro would be that it's a base model. All of the other cars that have the LNF engine are the top models. SS, GXP, RedLine. But, who knows...
That's the thing, man. The Camaro is going to best their other cars in base engines, alone. The turbo 4, if they throw it in a Camaro, will probably crank out something like 310rwhp, and will be a hefty competitor to the new Genesis, and a Mustang GT.
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Old May 29, 2008 | 12:58 AM
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It should be noted that 09' CTS-V will best the Z06 by 45hp. It seems many of the arguments of the conceived self-imposed horsepower ratings are based on old GM marketing tactics. I think next years introduction of the CTS-V (the fastest sedan that will have ever been produced, according to nurburgring) shatters that old notion and marks a new era for GM's marketing. The idea that if a fantastic machine is presented to a consumer, they'll buy it solely based on that merit. It's a novel idea to some in corporate america but other auto makers caught on to it some time ago.
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Old May 29, 2008 | 02:21 AM
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Originally Posted by Semper91-RS
That's the thing, man. The Camaro is going to best their other cars in base engines, alone. The turbo 4, if they throw it in a Camaro, will probably crank out something like 310rwhp, and will be a hefty competitor to the new Genesis, and a Mustang GT.
wouldnt that be the ****, a V6 camaro , kickin a mustang GTs ***

but to an earlier post, im sure with some bolt ons 300RWHP is very doable, intake and tune and new exhaust should yeild very good results.
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