Thread: Took my 04 to the dyno yesterday

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  1. #1 Took my 04 to the dyno yesterday 
    GXP Level Member GTPpower's Avatar
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    Local auto club had a dyno day yesterday...$50 for 3 pulls, so I can't argue with that.

    My 01 is having issues, so I took my daily, the 04 Comp G. Total mods:

    Heads ported by me
    XPZ cam
    150# Manley springs
    Rollmaster double
    Pushrods
    Comp TI retainers
    ARP Head Studs
    Victor-Reinz stock style head gaskets
    L26 bottom end
    3" catless downpipe
    Autolite 605's
    Homemade HAI
    Tuned by me
    89 Octane E10 fuel

    Everything else is completely stock. Stock pulley. Stock exhaust manifolds, stock injectors, etc. I also made my first run using the stock airbox, and then pulled that off and switched to my pile of junk Advanced Auto intake.

    Any guesses what I made? It's not your typical setup, so I thought we'd have a little fun this Monday morning.

    Runs were made on a Mustang Dyno, FYI.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  2. #2 Re: Took my 04 to the dyno yesterday 
    The Blue One blueguy's Avatar
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    High comp...race fuel...cam...but stock pulley kills it...understand though for the daily. did you switch out for straight pipes on 2nd or 3rd run for max race gains?



    Otherwise...

    I'd say 285/310?
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  3. #3 Re: Took my 04 to the dyno yesterday 
    GXP Level Member GTPpower's Avatar
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    LOL.

    No race fuel. Just some el cheepo 89 octane.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  4. #4 Re: Took my 04 to the dyno yesterday 
    The Blue One blueguy's Avatar
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    I read E89...for whatever reason, ha.

    I'm dyslexic...don't mind me...lol
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  5. #5 Re: Took my 04 to the dyno yesterday 
    GT Level Member addzradd's Avatar
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    So basically it's a head XPZ car with everything else stock? maybe 250 especially with the 89 holding timing back.
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  6. #6 Re: Took my 04 to the dyno yesterday 
    Moderator dsmuts's Avatar
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    247?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  7. #7 Re: Took my 04 to the dyno yesterday 
    GTX Level Member Neil98gt's Avatar
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    1hp, Bob.
    98 GT 2dr 116k, Sold
    07 Lexus ES350 Obsidian Black. Premium Plus package, sold
    2013 Hyundai Elantra GT
    2002 Grand Prix GT 4dr
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  8. #8 Re: Took my 04 to the dyno yesterday 
    Donating Users 16MustangVet's Avatar
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    let me get this straight cammed car with home ported heads and just a 3inch down pipe on stock pulley?
    Why not at least cheapo SD headers at the very least. You say its a daily driver fine I get it but I'd still think some SD's would be money well spent!!
    XPZ cam and the rest of the mods make me think "breathe in choke out!"
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  9. #9 Re: Took my 04 to the dyno yesterday 
    GTP Level Member dmahlikGT's Avatar
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    I bet its got decent torque numbers but not high hp. Id say 256whp 322wtq.
    04 GTP-3.6 pulley, custom tuned, Intake, headers,thrush exhaust, al104 plugs, 180* stat, shift kit, flipped mounts

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  10. #10 Re: Took my 04 to the dyno yesterday 
    Donating Users 16MustangVet's Avatar
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    Meh i wanna see the dyno chart and numbers.
    Seems like some simple mods would make the most of that cam
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  11. #11 Re: Took my 04 to the dyno yesterday 
    DUI BABY Bio248's Avatar
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    god dammit this forum is brainwashed as hell.

    no one needs headers, downpipes are just fine. and you can run 89 all day long on a heads/cam setup with minimal boost.
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  12. #12 Re: Took my 04 to the dyno yesterday 
    SE Level Member 05gpturbo's Avatar
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    yea i dont see an issue with it. i got stock everything besides turbo and intercooler, dynoed last week at 294whp and 380tq
    TURBO GT.. ETC ETC
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  13. #13 Re: Took my 04 to the dyno yesterday 
    Donating Users 16MustangVet's Avatar
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    Quote Originally Posted by Bio248 View Post
    god dammit this forum is brainwashed as hell.

    no one needs headers, downpipes are just fine. and you can run 89 all day long on a heads/cam setup with minimal boost.
    Chill out spaz did I say its mandatory to run headers? I love how your assuming this..............

    Nor did I say there is anything wrong with the setup, however let me rephrase a portion of post #10
    "Seems like some simple mods would make the most of that cam"

    ^ maybe if I post it twice you'll get it..........
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  14. #14 Re: Took my 04 to the dyno yesterday 
    GXP Level Member GTPpower's Avatar
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    Headers wouldn't do a thing for the car. Plus, I'm not going to put headers on a car that I drive ~30k miles a year. Learned that one that hard way.

    The big restriction right now, are the stock injectors. They are at 100% DC at 5100 RPM's.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  15. #15 Re: Took my 04 to the dyno yesterday 
    Donating Users 16MustangVet's Avatar
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    Putting a headers on it matters how when you drive 30k a year?
    Its already cammed wouldnt that have a much bigger effect of it being a DD rather than bolt on headers?
    Im not saying you should throw them on (tho I wonder why not.) And Im sure the not having headers helps the TQ but if you do anykind of highway or interstate driving wouldnt the headers help?

    Just some questions and would you drop the pulley size down a little if the injector issue was addressed?

    Disclaimer Im not saying down sizing the pulley would increase the hp just incase some mods throw a fit for the above comment......
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  16. #16 Re: Took my 04 to the dyno yesterday 
    GXP Level Member GTPpower's Avatar
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    Quote Originally Posted by 98GrandPrixIraqVet View Post
    Putting a headers on it matters how when you drive 30k a year?
    Its already cammed wouldnt that have a much bigger effect of it being a DD rather than bolt on headers?
    Im not saying you should throw them on (tho I wonder why not.) And Im sure the not having headers helps the TQ but if you do anykind of highway or interstate driving wouldnt the headers help?

    Just some questions and would you drop the pulley size down a little if the injector issue was addressed?

    Disclaimer Im not saying down sizing the pulley would increase the hp just incase some mods throw a fit for the above comment......
    Because headers always require maintenance. They will develop leaks due to all the different fitment issues they have. Stock manifolds....well.....they don't leak. I will never have to mess with them again.

    Headers would make very little difference in the torque this car makes.

    I don't see how camming is has an effect on daily driving it. I guess the rollmaster makes it idle rougher, but unless you are very familiar with these motors, you won't notice. Most people there were wondering how a stock grand prix could make these kind of numbers.

    When I get some bigger injectors, I will probably drop to a smaller pulley.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  17. #17 Re: Took my 04 to the dyno yesterday 
    GTX Level Member crbquist's Avatar
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    I've had headers on my 01 for about 3 years now.. No leaks, cracks, or whatever. I think it all depends on the quality of the headers.
    01 Silvermist GTP - E85 - Cam - Heads - Phenolic IC - Polished Gen V - Stock trans...
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  18. #18 Re: Took my 04 to the dyno yesterday 
    GTX Level Member
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    Who gives a ****, I just want to know how much power it made!
    1999 GTP Coupe ------ Comp Cam 76-802-9, 2.7" pulley, S2IC, N*, FWI, SD Headers, DHP Tune, Built trans (single 3.29s, 300m), Magnaflow Catback, 60#injectors, E85, MT ET Street DR's, Fbody brakes, PRJ pump/rails. 302whp/328ft-lbs.......12.41@110mph
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  19. #19 Re: Took my 04 to the dyno yesterday 
    Gun nut and III percenter TexasTanker19kilo20's Avatar
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    256.3/291.8
    Goldie 98 Topaz Gold GTP (retired)/ Shadow 06 GTO 6.0 Phantom Black Metallic- traded in. Now cruising a 2005 GMC Sierra 2500 HD 4x4 with the always fun 6.0L
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  20. #20 Re: Took my 04 to the dyno yesterday 
    WHERES THE LAMB SAUCE?!?! Matt Palm's Avatar
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    http://www.grandprixforums.net/showthread.php?t=75198
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