Thread: what next?

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  1. #1 what next? 
    Donating Users Taz Magister's Avatar
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    So my 02 gt now has the following modifications... Gt1 cam, Hv3, zzp 2.5 in downpipe, 180 t-stat, k&N filter, and I have to say a pretty sweet tune from prj,

    In a perfect world that should be around 280hp to the crank, I know the worlds not perfect so lets say 260....anyway my goal if any would be 300 or just over that to the cank because 1 that would be awesome and 2 it just sounds better to say oh its a little over 300 hp when people ask

    So where I need your help is what all should I do? Im pretty sure im going to ditch the downpipe and go for headers, and I wana do a intake of somekind but other than that what should I do? Maybe throtle body, and injectors?

    And I think I might have to beef up my trans some how cause I doubt it will take what I have on the car now let alone 300hp so help me out with ideas if you can
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  2. #2 Re: what next? 
    DUI BABY Bio248's Avatar
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    injectors dont add power, they add the ability to flow more fuel.

    throttle body might help you a little, but id just port the stock one (note that you'll have to retune). headers would help too. other than that you're running out of things to do. boost is your only option at some point. (i also dont think youre making 260 crank hp let alone 280, but that is another story.)
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  3. #3 Re: what next? 
    GTX Level Member tayl5645's Avatar
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    Turbo... nough said
    2005 GTP Grey

    Custom built Open cone intake, 15% tints all the way around, 7" touchscreen DVD player
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  4. #4 Re: what next? 
    Donating Users Taz Magister's Avatar
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    Quote Originally Posted by Bio248 View Post
    injectors dont add power, they add the ability to flow more fuel.

    throttle body might help you a little, but id just port the stock one (note that you'll have to retune). headers would help too. other than that you're running out of things to do. boost is your only option at some point. (i also dont think youre making 260 crank hp let alone 280, but that is another story.)
    lol the 280 is in my perfect imagination world I would hope that im atlseat within 10 of 260 but you could be right i wana get it dynoed at some point have no idea what that would cost me tho
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  5. #5 Re: what next? 
    Donating Users Taz Magister's Avatar
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    Alright after looking over it again and these are zzps numbers which i think are wrong when i think about it

    Gt1 cam 20-30hp
    downpipe 15hp....I doubt it ill say 10 maybe
    hv3 30hp also unlikely ill give it 15
    k&n drop in filter claims 5 but I say maybe 1
    180 t stat helps it stay a little cooler but probally dosent free any power

    so in zzps imagination 280 Im going to say more like 245 at this point still dont know what to do next
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  6. #6 Re: what next? 
     

  7. #7 Re: what next? 
    Donating Users Taz Magister's Avatar
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    alright so I made a ittle list
    headers
    throtle body
    FWI or some kind of intake
    bigger Rad
    trotlle body heat sheild just because idk lol
    injectors
    some trans stuff

    I dont think there is much more power to get out of this car now that im looking for more stuff...
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  8. #8 Re: what next? 
    GTX Level Member tayl5645's Avatar
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    ^^ that will work as well for cheaper
    2005 GTP Grey

    Custom built Open cone intake, 15% tints all the way around, 7" touchscreen DVD player
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  9. #9 Re: what next? 
    Donating Users Taz Magister's Avatar
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    I think maybe i just make the car 1500 pounds lighter but thats way ricer like
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  10. #10 Re: what next? 
    DUI BABY Bio248's Avatar
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    Quote Originally Posted by Taz Magester View Post
    alright so I made a ittle list
    headers - good
    throtle body - might be useful
    FWI or some kind of intake - why is this not done yet?
    bigger Rad - won't help you at all, you dont need the extra heat capacity
    trotlle body heat sheild just because idk lol - waste of money
    injectors - waste of money, you dont need the headroom
    some trans stuff - might help your goal...maybe...

    I dont think there is much more power to get out of this car now that im looking for more stuff...
    see above.
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  11. #11 Re: what next? 
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    Don't know if anyone has told you this, but the HP numbers for mods don't stack.
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  12. #12 Re: what next? 
    Donating Users BoostnBlackGTP's Avatar
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    what about ported heads... ported LIM. ported everythingg
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  13. #13 Re: what next? 
    Donating Users Taz Magister's Avatar
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    Quote Originally Posted by That Canadian Guy View Post
    Don't know if anyone has told you this, but the HP numbers for mods don't stack.
    not completly but Id say 245 is a pretty reasonable estimate
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  14. #14 Re: what next? 
    Donating Users Taz Magister's Avatar
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    hmm Im starting to think 1 that going with the cam I did wasn't the best idea cause its a n/a cam and now if i were to top swap id need somthing else and 2 that doing anyhting to my car is a waste cause im not going to drive it that much considering gas is $4.16 a gallon now
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  15. #15 Re: what next? 
    The Blue One blueguy's Avatar
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    Cam is never a waste of time IMO.

    Nick made a good statement as well...get an intake on that car.

    My buddy had these mods to his N/A 3800 and made just a tick shy of 200 FWHP and 220 TQ...

    GT2 Cam
    PEM's
    3" Catless DP/3" Single outlet Exhaust (It was an SE)
    HV3
    Ported L67 TB
    L67 Injectors
    Poly Uppers/Solid Lowers
    DIY Shift Kit...I think...can't remember
    4" HAI w/ K&N
    Custom HPT Tune

    All through a motor/trans that had almost 180k on them...and probably pretty tired. So...I'd guess about 15-20 more horse if that thing was new and in good shape. That gives you an idea of where your at...and the GT2 is bigger than the GT1.

    I'd get your TB Ported...and make an intake...and have Paul retune it. If your worried about fueling get GTP injectors...if your worried about cooling...get a GTP radiator. I'd also get a 180* T-Stat if you don't have one yet.

    If I was in your shoes I'd do this...

    Make a fenderwell...for about 50 bones or less...4" tubing to the TB...port your L36 TB...Get Speed Daddy headers...if your worried about it passing inspection...you can get a universal Magnaflow High Flow Cat that is 3" in/out and slide it in where the SD's normally just get rid of the cat. That should put you around 200 FWHP.
    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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  16. #16 Re: what next? 
    GXP Level Member JoRoW99's Avatar
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    turbo.

    but get headers and sell the dp is the best idea(unless you really are going turbo). Then bolt a cone filter to your TB. everything else probably wont see noticeable gains on the butt dyno.
    '01 GT - Top swapped. ported SC/Heads/TB, SD headers, open cone, HPTuners, 3.4 MPS, 60#'s, E85.______________________SMGPFC #99_______________________
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  17. #17 Re: what next? 
    Donating Users Taz Magister's Avatar
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    i was planing on making a fwi but atm all i have is a drop in filter and im already meeting paul in richmond today today for another tune cause I wasn't thrilled with some of the shifts and he looked back over the pcm file and said he saw some things to change im actually not sure if this is gona cost me extra at his $60 an hour for this retune or if hes doing it for free he never said just said I can meet you in richmond and adjust those things

    anyways I don't want to put more than another 1000 bucks into this thing at this point
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  18. #18 Re: what next? 
    The Blue One blueguy's Avatar
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    So...get headers...start there.

    If your looking for more at this point a top swap can be had for well less than a grand but you WILL need headers.

    Just kickin' thoughts around. If I was to build a GT...it would be a high compression, GT2 cam/rockers alummy head build with nitrous and a built trans on a high stall and 3.69's...
    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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  19. #19 Re: what next? 
    Donating Users BoostnBlackGTP's Avatar
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    taz do u have rockers??
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  20. #20 Re: what next? 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by BoostnBlackGTP View Post
    taz do u have rockers??
    He has a GT1 Cam.
    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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