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  1. #1
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    2005 GTO Dynoed.

    Just installed LPE CAI so I dynoed my car just to see what it would do. I have a 6spd and only 765 miles on the clock.

    Got 349.7 HP and 346.7 TQ.

    I would post the graph but the file limit here is way to small. pics are uploaded here.

    http://www.ls2gto.com/forums/showthread.php?t=35460

  2. #2
    Senior Member Hurley711's Avatar
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    414 RWHP 395 RWTQ
    00 Black Ram Air Trans Am

    Nice numbers, anymore mods planned? And I agree the file posting limit is retarded

  3. #3
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    Yeah more mods are coming. I have Stainless Works long tube headers coming. I am shopping for a cam but not sure if I want to do that just yet. So in about 2 - 3 weeks I will have LT headers with random technology cats and dyno tune. Looking for 380 rwph. I think those 2 mods should get me there these LS2's run pig rich from the factory so tuning has been showing good gains.

  4. #4
    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    I have the SW LT Headers/R/T Cats and Borla exhaust on my 04 Goat....you will love the growl and the new found RWHP. First thing I noticed was the RPM's spooled quicker......good choice man. Of course the Patriot heads/Comp Cam/LSX intake didnt hurt anything either

  5. #5
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    Impulse Blue
    2004 GTO

    Nice. Now start modding that thing Taken it to the track yet?
    Rob
    04 GTO
    96 WS6

  6. #6
    Member '99 SLP#24's Avatar
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    1999 Camaro SS #24
    98 Corvette-99 Camaro SS

    Very nice cars both of you, maybe if I show this to my dad he'll start modding his 04 GTO!!!!

  7. #7
    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    Be careful of that modding bug....once you start you can never stop

  8. #8
    Detailing + Design third_shift|studios's Avatar
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    My life is a
    Ben Stiller movie.

    i htought the O5's came with Ls2's rated for 400hp???

  9. #9
    Senior Member pecha's Avatar
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    black
    98 WS6

    Quote Originally Posted by dipherentdesign
    i htought the O5's came with Ls2's rated for 400hp???
    400hp on the flywheel, when you dyno you measure it at the wheels after a drivetrain loss
    Click for full size

  10. #10
    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    Wink

    ^^^Correct^^^^
    Also you will get different reading from a DynoJet Dyno than you will a Mustang Dyno....as the Mustang Dyno will provide resistance and the DynoJet just spins freely.....

  11. #11
    ULTIMATEORANGESS
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    I just ordered a magnaflow for my 05.looking forward to getting it installed.

  12. #12
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    Okay I have my SW LT headers and random tech cats installed as well as a custom x-pipe and catback using 14211 Magnaflow mufflers. I wasn't able to get the car dyno tuned this week I am hoping to get this done early next week.

    So with just LPE CAI and 765 miles on the clock I was at 349.7 RWHP what do you all think I will get with the new mods and tune? I think I will dip into the 390 + RWHP range. My car should have about 2200 miles on it at tune time.
    2005 GTO Quick Silver/ Red

    Mods: LPE CAI, SW LT Headers w random tech cats, custom x-pipe and catback (14211 Magnaflows)

    First Dyno: 349.7 HP 344.7 TQ Milage: 765 Mods: LPE CAI

    Mods coming: Dyno Tune

  13. #13
    Story of My Life!! BIG D's SS's Avatar
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    Black, Blue
    07 TBSS, 07 GSXR1000

    So which machine is better to have dynoed on?

  14. #14
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    I have only used dynojets. I don't think one is better then the other but I would stick with one type that way you have a good test on how well your car improved.

  15. #15
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    Impulse Blue
    2004 GTO

    I think you might be close but I think it'll be in the 380+ range.

  16. #16
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    Quote Originally Posted by Rob
    I think you might be close but I think it'll be in the 380+ range.

    Cool. I guess we will find out soon. I know one person is at 397 rwhp with similar mods but every car is different.

    I think I would be a bit disappointed with under 40 rwhp gain from my mods including the tune.

  17. #17
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    Impulse Blue
    2004 GTO

    Curious either way what you get. I just installed SW headers on my Dad's '05 and the car really woke up. Throttle response is so much better and the car runs a lot "crisper" now.

    He has the SAP on his so he's running Magnaflow mufflers. Not a whole catback but I'm sure better than the stock mufflers. He's getting a tune later this month. I'm sure he'll be making more than my car after that...

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