Thread: 300 hp ?

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  1. #1 300 hp ? 
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    What mods would one need to obtain this goal ?
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  2. #2 Re: 300 hp ? 
    GXP Level Member Grimsin's Avatar
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    crank or whp?

    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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  3. #3 Re: 300 hp ? 
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    2.6 pulley and a 55 gallon drum of c16 race gas and a 10 lbs bottle of nitrous.
    - 2001 Grand Prix XGT -- 11.21@124MPH
    - 2010 Chevy 2500HD LTZ -- Car hauler
    - 2011 BMW 328i Xdrive -- Wife's Daily
    - 2014 Ford F250 crew cab -- 6.2 liters of ford fail
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  4. #4 Re: 300 hp ? 
    GrandPrix Junkie SgtMarshal's Avatar
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    ported heads, cam and a full size intercooler
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  5. #5 Re: 300 hp ? 
    Moderator dsmuts's Avatar
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    300whp can be had pretty easy. Cam, headers and ic will get you there easy.
    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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  6. #6 Re: 300 hp ? 
    GTP Level Member 99GT2dr's Avatar
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    Apparently E85 is all you need for all the horsepowers.
    '11 Suburban LTZ
    '99 SSEi
    '99 GT
    '09 G8 GT
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  7. #7 Re: 300 hp ? 
    Awesome Level Member chrsmi1's Avatar
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    Cam, headers, e85 should get you north of 320 to the wheels on a conservative tune.
    Comp G. E85, 2.8, Headers, Tune, Intake, S1X, 105# springs, 60 # injectors, 255 walbro,etc.

    *NEW* 2002 Camaro Z28- Lid, Headers, Catback

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  8. #8 Re: 300 hp ? 
    Donating Users 16MustangVet's Avatar
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    s1x cam, e85, gen5, 2.8 pulley, headers, 60# injectors, stock heads, stock block. 330whp/400wtq. SIMPLE drama free setup.
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  9. #9 Re: 300 hp ? 
    Awesome Level Member chrsmi1's Avatar
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    Quote Originally Posted by 98GrandPrickVet View Post
    s1x cam, e85, gen5, 2.8 pulley, headers, 60# injectors, stock heads, stock block. 330whp/400wtq. SIMPLE drama free setup.
    Thats what I'm aiming for in my setup. That and mid 12's
    Comp G. E85, 2.8, Headers, Tune, Intake, S1X, 105# springs, 60 # injectors, 255 walbro,etc.

    *NEW* 2002 Camaro Z28- Lid, Headers, Catback

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  10. #10 Re: 300 hp ? 
    Donating Users 16MustangVet's Avatar
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    damn straight I have a nitrous kit id love to try crack 11.99 on that setup with some DRs or slicks too but its winter im lazy and im going overseas again..... FML..
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  11. #11 Re: 300 hp ? 
    Turbo is the way to go. BillBoost37's Avatar
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    Quote Originally Posted by 98GrandPrickVet View Post
    s1x cam, e85, gen5, 2.8 pulley, headers, 60# injectors, stock heads, stock block. 330whp/400wtq. SIMPLE drama free setup.
    You've made the setup have drama... lol
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  12. #12 Re: 300 hp ? 
    GrandPrix Junkie
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    What is left off the list is a built trans that will handle the newfound HP w/o shredding itself. Take a look at tripleedgeperformance.com for some good ones.
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  13. #13 Re: 300 hp ? 
    Killa Bee Scottydoggs's Avatar
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    Quote Originally Posted by FordMan77 View Post
    What is left off the list is a built trans that will handle the newfound HP w/o shredding itself. Take a look at tripleedgeperformance.com for some good ones.

    judging by his other thread, this 300 hp build is going in a Porsche.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  14. #14 Re: 300 hp ? 
    Donating Users 16MustangVet's Avatar
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    Quote Originally Posted by BillBoost37 View Post
    You've made the setup have drama... lol
    Yes I know I admit I don't drive it very nice all the time, but if you look at it like that its held up pretty decent. Minus the preventive maintenance on the 7/8s chain. (that's my story damn it im sticking to it! LOL) and the whole 3 wheel abortion from my F up. Thank god for full coverage insurance and chalk that mess up to a simple dumb but costly mistake.
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  15. #15 Re: 300 hp ? 
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    I was wondering if a 3.0 pulley on a gen v with a full stack intercooler, speed daddy headers, 3" cat back exhaust, wizaired cold air, 42.5# injectors, and 1.9 rockers will hit 300hp? Just wondering what ur guys thoughts are
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  16. #16 Re: 300 hp ? 
    GrandPrix Junkie
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    They should.
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  17. #17 Re: 300 hp ? 
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    Quote Originally Posted by gambler87 View Post
    I was wondering if a 3.0 pulley on a gen v with a full stack intercooler, speed daddy headers, 3" cat back exhaust, wizaired cold air, 42.5# injectors, and 1.9 rockers will hit 300hp? Just wondering what ur guys thoughts are
    skip intercooler, add xpz cam, and 3.2 pulley and it will also make 300+
    - 2001 Grand Prix XGT -- 11.21@124MPH
    - 2010 Chevy 2500HD LTZ -- Car hauler
    - 2011 BMW 328i Xdrive -- Wife's Daily
    - 2014 Ford F250 crew cab -- 6.2 liters of ford fail
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  18. #18 Re: 300 hp ? 
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    I'm trying to not break into the motor. I know how to build motors just trying to not pull the motor
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  19. #19 Re: 300 hp ? 
    I live here. Slick2500's Avatar
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    None of those mods require you to pull the engine.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
    Quote Originally Posted by The Sunfire Guy
    Superchargers take away horsepower
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  20. #20 Re: 300 hp ? 
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    How do u swap a cam in a 04+ Gtp without pulling the engine?
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