Thread: Twin Engine GTP First runs at the dragstrip !

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  1. #1 Twin Engine GTP First runs at the dragstrip ! 
    GTP Level Member TwinV6GTP's Avatar
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    In order to keep my trans alive, I force them to start in 2nd gear. It's easier on parts not having to shift to 2nd gear.
    It worked very well in the 11.0 Parts car.
    So I figured I do in the Twin Engine. On the street the car hooked so hard it was unreal. The little wheel spin helped launch it hard.

    At the strip the 2nd gear launch needed a lot of boost to be effective especially on the rear engine.
    I did no burnout for my 2 passes.

    1st pass ever in the car with a low boost launch and no spin
    10.0 @ 140 mph
    With a slow 1.7 60 foot (normally 1.5 on the street)
    6.5 sec 1/8 mile @ 110 mph !
    Yes 110 mph in 6.5 seconds ! Actual mph was 112 in the GPS performance meter which shows the true speed (more accurate than the track's timers.

    It rains for a while and then the track is super slippery and still wet. I attempt a pass...
    I was spinning all four till the 1000 feet mark 3/4 way down the track. Felt amazing but lots of spin.
    2nd Pass is a 10.02 @ 141 mph !
    Incredible considering a still damp/wet track.

    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  2. #2 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTP Level Member dmahlikGT's Avatar
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    So damn impressive its not even a joke. Give you huge props for a unique build that runs the way it does at thetrack with little work done.
    04 GTP-3.6 pulley, custom tuned, Intake, headers,thrush exhaust, al104 plugs, 180* stat, shift kit, flipped mounts

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  3. #3 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTX Level Member industrialfish's Avatar
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    This is getting ridicules I am glad to be a part of this community.
    2005 GTP - Graystone Metallic|SPO grills&spoiler/SE lip/Carbon Fiber INFERNO hood
    7"
    Spectre|3.4 MPS|42lb Blue Giants+E85+Walbro 450lph pump
    SpeedDaddys|AL605|Vogtlands on FE3s|Vinnie's Spacers on solid lowers|Intense poly uppers|
    Dorman + Addco sway bars|Drilled/slotted rotors|Plasti-dip 17" QP2 at +27 offset
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  4. #4 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTX Level Member tod1d's Avatar
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    name another twin engine car you have come across

    2007 Pontiac Grand Prix
    http://www.cardomain.com/ride/2990036
    L26, CAI, HV3, ER Rockers, PLOG, Overkill Tune, flipped dog bones
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  5. #5 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTX Level Member industrialfish's Avatar
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    Quote Originally Posted by tod1d View Post
    name another twin engine car you have come across
    Make no mistake, I don't mean ridicules in a negative tone.
    2005 GTP - Graystone Metallic|SPO grills&spoiler/SE lip/Carbon Fiber INFERNO hood
    7"
    Spectre|3.4 MPS|42lb Blue Giants+E85+Walbro 450lph pump
    SpeedDaddys|AL605|Vogtlands on FE3s|Vinnie's Spacers on solid lowers|Intense poly uppers|
    Dorman + Addco sway bars|Drilled/slotted rotors|Plasti-dip 17" QP2 at +27 offset
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  6. #6 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTX Level Member
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    Wow that's awesome, really impressive.
    2001 Pontiac Grand Prix GT : Stock and slow and SOLD.
    2001 Pontiac Grand Prix GTP Special Edition
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  7. #7 Re: Twin Engine GTP First runs at the dragstrip ! 
    GrandPrix Junkie
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    I really want to see what this will do on a sticky track...with more boost... Damn that thing hauls!
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  8. #8 Re: Twin Engine GTP First runs at the dragstrip ! 
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    04 Top-swapped, 3.2 pulley, ZZP 1.9 rockers w/ #90 springs,Mild P&P heads, Pacesetter Headers, Sseilmnop 2" Phenolic Intercooler with stage 3 HE, ZZP billet fuel rails, 42.5lb injectors, 3" full exhaust, all poly mounts,other supporting mods.
    oh and weight addition mods: CTS-V brake upgrade, 14" GT500 rotors

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  9. #9 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by Sven The Sexman View Post
    I really want to see what this will do on a sticky track...with more boost... Damn that thing hauls!
    With a 1st gear start ET would have many tenths quicker. The track was sticky at first before the rain. But I only got one run in at lower boost on the launch.
    2nd gear starts are king on the street but with the glue, I lost time off the line.

    On my 3rd run I did up the boost a little but I broke the rear input shaft unfortunately. Now I'm shopping a trans or maybe even a 4t80E swap.
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  10. #10 Re: Twin Engine GTP First runs at the dragstrip ! 
    GXP Level Member Timing's Avatar
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    4t80e ftw
    08 MazdaSpeed 3- Treadstone tr8l, Ebay Piping, Ported intake,Thermal gasket, Cs Injector Seals,Cobb intake/inlet, Autotech Internals, Poly mounts, Speed Daddy DP, Magnaflow CB,
    RPF1 17x9 255/45 Direzza Zll
    04 COMPG- Vs, getrag 284 RIP
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  11. #11 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTP Level Member chris99gtp's Avatar
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    that thing is crazy. very nice
    99 gtp- Burnt and gone
    01 gtp- Here to stay-3.4, SD Headers, AL104's HAI, Overkill PCM, SD Hood
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  12. #12 Re: Twin Engine GTP First runs at the dragstrip ! 
    GT Level Member chamberlain198437's Avatar
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    Very impressive build can't wait to see what this car will run in the future... keep up the good work :-)
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  13. #13 Re: Twin Engine GTP First runs at the dragstrip ! 
    GrandPrix Junkie HighOctaneRacing's Avatar
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    I'm floored! It's really nice to see you kept on with this project and the results so far are very impressive. Good Job man keep it up!
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  14. #14 Re: Twin Engine GTP First runs at the dragstrip ! 
    GT Level Member aligater's Avatar
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    Sign up for pinks all out, twin turbo 3.8l grand prix. So it's a little miss leading but I bet they like your et and think why not. Just wait till tech inspection for the raised eyebrows.
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  15. #15 Re: Twin Engine GTP First runs at the dragstrip ! 
    SE Level Member wyoprix's Avatar
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    nice have u weighed your car yet
    2007 gt 3.0 mps 0-KR headers 3''dp cat res delete 44 injectors 85MAF stage 3 intercooler 108 t stat cold air, overkill pcm, aeroforce gauges tripple pillar, rims tint, trans cooler intense shift kit, yella terra 1.9 roller rockers 105 crow springs, 104 plugs, 7'' pioneer screen 1000 watt rockford amp an two 10" P3's cusom box & more
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  16. #16 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by aligater View Post
    Sign up for pinks all out, twin turbo 3.8l grand prix. So it's a little miss leading but I bet they like your et and think why not. Just wait till tech inspection for the raised eyebrows.
    Thanks guys ! It's an incredible feeling behind the wheel. The sound is really crazy inside. The camera couldn't relay at all what it was inside the cabin.
    The acceleration at the 60 foot mark and on is something else.

    I just reviewed my high performance GPS numbers and here are the results:

    BTW at the shop the nickname for the car is Poor man's Veyron.
    So let's compare the real Veyron numbers with my Poor man's Veyron.

    These are verified actual results by a test company on the 1001HP Veyron (Bugatti's claimed numbers are better)

    Veyron curb weight (4150lbs + driver) Same as my GTP (4350lbs with driver 200lbs)

    Veyron W16 quad turbo
    0-60mph 2.9 seconds
    0-100 mph 5.9 seconds
    1/4 mile ET 10.8 @ 140 mph Car & driver

    Twin Engine GTP W12 Twin Turbo
    0-60 mph 2.4 seconds
    0-100 mph 5.0 seconds
    10.0 @ 141 mph on the 1st try ever lol

    The Newest Veyron Super Sport 1200HP is closer in acceleration but the GTP as edge until the 1/4 mile mark.
    The Veyron Obviously would walk it over 150 mph and win a top speed contest hands down but as far as usable acceleration I've got it covered.
    Poor man's Veyron wins !! haha

    Man this car will crush some numbers !
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  17. #17 Re: Twin Engine GTP First runs at the dragstrip ! 
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    Awesome build!
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  18. #18 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTX Level Member tod1d's Avatar
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    have you seen any other twin engine cars at the track?

    2007 Pontiac Grand Prix
    http://www.cardomain.com/ride/2990036
    L26, CAI, HV3, ER Rockers, PLOG, Overkill Tune, flipped dog bones
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  19. #19 Re: Twin Engine GTP First runs at the dragstrip ! 
    That Loud Guy 1LoudGrandPrix's Avatar
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    How much do you have invested so far?
    98 Camaro SS 46k LS1, T56, All Stock. 00 GMC Sierra 2wd ECSB 106k Lm7, 3.73s tow needs lowered..
    01 Grand Prix GTP "201k" ~111k on motor, ~46k on trans, headers, 3.4 and a tune to come.
    01 Grand Prix GT 168k: Mods: Tune by TheOtherNick. Stereo: 320A alt,4 runs 0/1, XS D3400 front, 1 JYP 80ah Lithium rear, 2 Twisted Sounds 3500s, 2 Sundown Audio NightShade v.3 7 National Records..

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  20. #20 Re: Twin Engine GTP First runs at the dragstrip ! 
    GTP Level Member TwinV6GTP's Avatar
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    10k maybe but that does count the parts car testing and i owny shop so the fab labor is less. To build one for a customer would be 18k
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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