Thread: dyno performance, sheets and videos

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  1. #1 dyno performance, sheets and videos 
    SE Level Member DCGTP's Avatar
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    I havent seen a thread dedicated to posting dyno results and mods and since I just went to the Dyno over the weekend I thought I'd start one.

    Setup while on the dyno, 3rd gear runs:
    2005 Pontiac Grand Prix GTP Competition Group
    (Stock 3.29 gear ratio)
    ZZP front Powerlog
    ZZP rear Powerlog
    ZZP 3" Downpipe with highflow cat
    ZZP 3" Catback exhaust
    open cone air intake
    180* thermostat
    W-body store 10mm plug wires
    AutoLite 104s

    ZZP Ported and polished lower intake manifold

    Overkill (revised stock tune) for 180* thermostat and open intake:
    220whp 232wtq


    Vids
    Dash view 3rd gear run
    https://drive.google.com/open?id=0B1...FBMR0lfOGhxVUE

    Outside view another 3rd gear run
    https://drive.google.com/open?id=0B1...mRwY056WUlFMnc

    Dyno slip
    https://drive.google.com/open?id=0B1...ZGR3ZQV3FBMGJv



    I'll be dropping to a 3.6 pulley, #60 dekka injectors and an LQ4 MAF very soon and afterwards I will return to the Dyno again to see the changes.

    I got this car 6 years ago, loved it and have daily driven it since then. The majority of my mods were installed in the last 2-3 years. The tune was put in not too long after I got the car. It currently has 165k miles on it.


    Post your dyno sheets and setups, I want to see what you're making.
    Overkilled, AL605s, 180 T-stat, Cone Intake, Cross drilled & Slotted Rotors, f-body upgrade, poly upper mounts, shorter dog bones,
    factory nav, 2x12s in the trunk, interior LED swap, all 5000k HIDs, red halo's in upper grille, tinted tails and reverse lights, de-badged, XM to line in conversion
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  2. #2 Re: dyno performance, sheets and videos 
    GrandPrix Junkie SgtMarshal's Avatar
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    your car made 220/230 at the wheels? was that with the stock pulley? if you figure about 50 hp drivetrain loss that isn't too bad.
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  3. #3 Re: dyno performance, sheets and videos 
    SE Level Member DCGTP's Avatar
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    sorry, yes stock 3.8 pulley on it.

    Theres a shop in my area, actually half a block from the junk yard that does dyno days where its $60 for 3 pulls.

    The last one i went to made me sad; i only put down 199whp and 211wtq but I found that was likely because i had a 195* t stat in and my plugs were pretty ****ty, i was also running 8mm wires vs the 10s now) so i fixed all that mess and saw a +20whp and +21wtq improvement.

    So now im hoping to crank it up with a tune for all the work thats been done since the stock revision and see what i can get at the wheels.

    Ricer math tells me I can hope to see 260 to 275 at the wheels with a tune and dropping to the 3.6. What would you guess? Ill post the results but itll be probably a month before i get it back on the dyno.
    Last edited by DCGTP; 01-10-2017 at 12:46 PM. Reason: update
    Overkilled, AL605s, 180 T-stat, Cone Intake, Cross drilled & Slotted Rotors, f-body upgrade, poly upper mounts, shorter dog bones,
    factory nav, 2x12s in the trunk, interior LED swap, all 5000k HIDs, red halo's in upper grille, tinted tails and reverse lights, de-badged, XM to line in conversion
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  4. #4 Re: dyno performance, sheets and videos 
    GrandPrix Junkie SgtMarshal's Avatar
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    260 wouldn't surprise me as long as the car has no kr
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  5. #5 Re: dyno performance, sheets and videos 
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    im getting ready to put mine on the dyno in a few weeks, once I get the downpipe on it so see where im at. if I can see 220 il be happy
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  6. #6 Re: dyno performance, sheets and videos 
    SE Level Member DCGTP's Avatar
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    post your results when you get the sheet!
    Overkilled, AL605s, 180 T-stat, Cone Intake, Cross drilled & Slotted Rotors, f-body upgrade, poly upper mounts, shorter dog bones,
    factory nav, 2x12s in the trunk, interior LED swap, all 5000k HIDs, red halo's in upper grille, tinted tails and reverse lights, de-badged, XM to line in conversion
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  7. #7 Re: dyno performance, sheets and videos 
    GrandPrix Junkie SgtMarshal's Avatar
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    that's moderately ridiculous.
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  8. #8 Re: dyno performance, sheets and videos 
    GXP Level Member Grimsin's Avatar
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    Where is that thread were people were arguing that plogs/headers will not increase hp? This thread proves it.

    3.8l N/A POWA! :4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
    My Car:http://www.grandprixforums.net/threa...2005-Impala-LS
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  9. #9 Re: dyno performance, sheets and videos 
    The Blue One blueguy's Avatar
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    You're not gaining 30-50~ WHP dropping .2" of a pulley size, even if the tuner makes the car run to the ragged edge.

    Re-tuning the car...with headers...and a 3.4" might net you 250~ to the tire.

    These aren't HP cars. They're torque based. You'll be disappointed each time wanting solid numbers.
    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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  10. #10 Re: dyno performance, sheets and videos 
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    im set up for sunday for the whole day on the dyno. so I will have time to play around with pulleys and timing changes to see what works best
    im bringing 10 gallons of e85 with me so once I get the 93 tune set I can drain the 93 out and fill it with e85 and set up a separate tune for that
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  11. #11 Re: dyno performance, sheets and videos 
    GXP Level Member GTPpower's Avatar
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    Quote Originally Posted by Grimsin View Post
    Where is that thread were people were arguing that plogs/headers will not increase hp? This thread proves it.
    You know how easily dyno numbers can be skewed, right?

    The gain he is seeing is likely from the intake, downpipe, and mufflers.


    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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  12. #12 Re: dyno performance, sheets and videos 
    The Blue One blueguy's Avatar
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    Mostly the downpipe.

    Mostly.

    Because the intake makes more noise along with the mufflers.
    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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  13. #13 Re: dyno performance, sheets and videos 
    GXP Level Member GTPpower's Avatar
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    I gained about 8whp going from a stock intake to a hai.


    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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  14. #14 Re: dyno performance, sheets and videos 
    The Blue One blueguy's Avatar
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    Don't you feed me your corn field lies
    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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  15. #15 Re: dyno performance, sheets and videos 
    GXP Level Member GTPpower's Avatar
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    Ha. I got video to prove it!


    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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  16. #16 Re: dyno performance, sheets and videos 
    GXP Level Member Grimsin's Avatar
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    But you like you said, the dyno was probably skewed lol

    3.8l N/A POWA! :4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
    My Car:http://www.grandprixforums.net/threa...2005-Impala-LS
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  17. #17 Re: dyno performance, sheets and videos 
    GXP Level Member GTPpower's Avatar
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    It was literally within ten minutes of eachother on a dynojet.


    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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  18. #18 Re: dyno performance, sheets and videos 
    GXP Level Member Grimsin's Avatar
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    So only your dyno's are legit, I see lol.
    I'm just poking at ya just to let ya know. No harm intended

    3.8l N/A POWA! :4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
    My Car:http://www.grandprixforums.net/threa...2005-Impala-LS
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  19. #19 Re: dyno performance, sheets and videos 
    GXP Level Member Grimsin's Avatar
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    So only your dyno's are legit, I see lol.
    I'm just poking at ya just to let ya know. No harm intended

    3.8l N/A POWA! :4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
    My Car:http://www.grandprixforums.net/threa...2005-Impala-LS
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  20. #20 Re: dyno performance, sheets and videos 
    GT Level Member brettstoner's Avatar
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    I previously had a 3.5, stock Gen 5, top swap, E85, 60 injectors, 195 stat, Speed Daddy headers, stock heads, VS cam, stock rockers, stock catback, stock intake with K&N drop in filter, 8 lbs boost, and did 280 hp to the wheels at ZZP. I am down to 3.0 pulley, more timing, still no KR currently. I am guessing probably at 300 hp now. Maybe more. Who knows.

    Sorry no vid but here is a pic of it.

    Last edited by brettstoner; 02-04-2017 at 09:41 AM.
    04 GP GT- top swap, VS cam, 2.8 pulley, E85, headers, 60 injectors, TEP 3:29 trans, Racelogic Traction Control, ZZP dyno tuned.
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