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2004-2007 Cadillac CTS-V Performance Mods Discussion, 2006 dyno results and 2004 Ls6 vs 2006 Ls2 in Cadillac CTS-V Series Forum - 2004 - 2007; This thread just became so un-fun...
  1. #91
    Twitch's Avatar
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    This thread just became so un-fun

  2. #92
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by Twitch View Post
    This thread just became so un-fun
    Why?

  3. #93
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    hey i was just helping the newbs out.. some people might not know what we are comparing. i can tell you one thing for sure. plug wires on the ls6 are much prettier

  4. #94
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    I still don't get why the LS2 V's didn't come with a tow hitch from the factory?

  5. #95
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by CTSV_510 View Post
    I still don't get why the LS2 V's didn't come with a tow hitch from the factory?
    Thats it I am getting an Ls6.... cause I am sick of all this torque damnit

  6. #96
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by 6Speed View Post
    Thats it I am getting an Ls6.... cause I am sick of all this torque damnit
    tell you what, if you tow my boat to the lake this weekend ill let you come aboard

  7. #97
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Seriously is that all you guys have on the ls2 is that its in a bunch of diffrent vehicles, c'mon. What about that makes it a bad thing? I'm just happy my car has a warranty till 2013. Lets talk about the transmission. Did you guys know that 2006+ model year V's got a carbon reinforced 1st 2nd and 3rd gear?? Oh snap!!

  8. #98
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    the only carbon fiber i would put on my would be these..

    track use only but what the hell right?

    and i never said one as better.. just the spark plug wires were much prettier


  9. #99
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by 814V View Post
    the only carbon fiber i would put on my would be these..

    track use only but what the hell right?

    Nice, but it needs an extra hole!!

  10. #100
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by 6Speed View Post
    Nice, but it needs an extra hole!!
    good thing its carpet fiber.. ill use my dremel lol

  11. #101
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by 6Speed View Post
    Seriously is that all you guys have on the ls2 is that its in a bunch of diffrent vehicles, c'mon. What about that makes it a bad thing? I'm just happy my car has a warranty till 2013. Lets talk about the transmission. Did you guys know that 2006+ model year V's got a carbon reinforced 1st 2nd and 3rd gear?? Oh snap!!

    They all know that the 06-07 Vs are better. They come up with any excuse to say the 04-05s are better.

    If I had that old of a car I'd make my self believe it was superior to the newer model too.

  12. #102
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by biiz1957 View Post
    Oh Really

    400 HP is ridiculous for the amount of internal changes found in the LS2. It is actually a hot rod Z06 motor in sheeps clothing.

    A quick comparison: 2004 Z06 (Ls6) has a smaller throttle body-76mm vs. 90 mm for the 2005 C6 (Ls2). The Z06 has a 5.7 liter motor vs. the 6.0 liter LS2. The intake manifold has been redesigned to accomodate the better flow characteristics of the throttle body, and the heads are also improved from a port configuration standpoint. i.e. a ported LS6 head. The compression ratio was automatically increased with the new swept volume from the additional displacement and Z06 combusion chambers to 10.9:1 vs. 10.5:1. Iridium plugs, and hotter coils mean better combustion.

    Bigger fuel injectors than the 2004 Z06 with four hole injectors are rated at 4.1 g/s vs the older 3.67 g/s (both at 400 kilopascal or 58 psi rail pressure)

    The Z06 heads being utilized flow 15% more air on the intake side, and 21% more on the exhaust port side. 2.00"/1.55" valves are the same steel valves as the LS1. but the springs are Z06.

    The exhaust manifolds flow 4% better than the Z06 exhaust manifold (our dyno testing in 2001 suggested that shorty headers vs. the LS6 headers, showed zero improvement in horsepower or torque, so GM has done some homework here) with the straight through mufflers reducing backpressure 10%, and now no pup cats! Finally. No A.I.R. pump! Bay to bay breathing as in the Gen III Z06, has been a part of the LS1 and LS6 for a few years now.

    The cam used is the 2001 Z06 cam, with a .525"/.525" lift (2004 Z06 cam is .555"/.551" and similar duration, so here you can subtract 10 RWHP, for the C6 with the same head port design, but with the increase port flow, the actual loss from a lower lift may be insignificant. We have the present Z06 cams, ready to install as soon as our C6 comes in.

    They have also gone back to the lower tension rings found in the 2001 Z06, but without the oil consumption problems, which means less frictional losses. Anodized ring lands, may help strengthen the lands, but not from forced induction senarios. I am very disappointed that forged pistons were not used.

    GM would have you compare the LS2 to the LS1 to keep the Z06 hot rodders happy, but the truth is out there. The real comparison should be the LS2 vs. the LS6. The LS2 is the new KING of horsepower, no matter how GM spins it.

    With all of the above changes to the basic Z06 platform, do they expect anyone to believe that there is only 5 HP LESS than the Z06...???

    From a marketing standpoint, it would kill the remaining 2004 Z06 sales, if the new C6 became available with 420 advertised HP.

    And there is more

    With the LS2 bolted into the engine stand and all other systems ready to go, the baseline pulls were made. No surprise--the LS2 is a monster in small-block clothes. A whopping 402.1 hp at 5,300 rpm banged out for peak hp. There was already 330 hp available at 4,000 rpm--or in that transition area where you go from trucking around town to stomping the competition in the next lane. One of the first observations you make when you drive an LS2-equipped musclecar is that it sure doesn't feel like "just a small-block." The GM engineers have packed a ton of torque into this thing, and on our baseline engine dyno runs, the LS2 kicked out over 400 lb-ft from 3,000 rpm on up. It peaked at a ridiculous 437 lb-ft at 4,300 rpm, but the real story is that the torque starts early and just doesn't stop coming on. The torque curve is flat, juicy, and willing to please.One important note--we used the factory GM calibration for this baseline test. Dan points out that that is important because the factory spark tables are based on airflow. As such, the stock computer tends to pull timing (stock GM timing for this engine runs right at 28 to 29 degrees) when it senses an increase in intake air or decreased backpressure with a better exhaust. (This also tells us that bolt-on exhaust and cold-air kits will need a companion tune to maximize horsepower.) Because of this, Dan estimates another 10 to 15 hp could be left on the table with the stock LS2 because there was timing getting pulled during our test runs. Still, you've got all of the factory-advertised horsepower and then some! With that promising start, we got on our way to looking at what simple, basic hotrod modifications will do for the new standard in Corvette horsepower.

    You can copy and paste from whatever GM biased magazine article you want. Of corse they want everybody to hype the new engine. Resell does nothing for GM. They want everybody to buy their new stuff! Come on guys, can you not read between the lines? The heads are the same, and the intake still flows worse than the LS6.

  13. #103
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by 6Speed View Post
    Why?
    Cuz that dude with the long post made my brain hurt. Think he had more to drink last night than I did

    Quote Originally Posted by 814V View Post
    hey i was just helping the newbs out.. some people might not know what we are comparing. i can tell you one thing for sure. plug wires on the ls6 are much prettier
    Did you see that corny oil filler cap

    Quote Originally Posted by CTSV_510 View Post
    I still don't get why the LS2 V's didn't come with a tow hitch from the factory?
    They don't?

    Quote Originally Posted by 814V View Post
    the only carbon fiber i would put on my would be these..

    track use only but what the hell right?

    and i never said one as better.. just the spark plug wires were much prettier

    You gotta do the mirrors

    Quote Originally Posted by whisler151 View Post
    They all know that the 06-07 Vs are better. They come up with any excuse to say the 04-05s are better.

    If I had that old of a car I'd make my self believe it was superior to the newer model too.
    Hey, whislie's back. And he's got a freind. So nice to see the LS2 guys come out to play
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  14. #104
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by whisler151 View Post
    They all know that the 06-07 Vs are better. They come up with any excuse to say the 04-05s are better.

    If I had that old of a car I'd make my self believe it was superior to the newer model too.
    im pretty sure that they LS2 guys are just upset that the LS6 guys dont have cheap whores for motors that have been passed around like the town bicycle.. its kinda like dating a stripper, sure its fun behind closed doors but you wouldnt want your freinds to know. all the excuses come out when you get caught

  15. #105
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    Re: 2006 dyno results and 2004 Ls6 vs 2006 Ls2

    Quote Originally Posted by 814V View Post
    im pretty sure that they LS2 guys are just upset that the LS6 guys dont have cheap whores for motors that have been passed around like the town bicycle.. its kinda like dating a stripper, sure its fun behind closed doors but you wouldnt want your freinds to know. all the excuses come out when you get caught

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