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I wanna know my horsepower?

This is a discussion on I wanna know my horsepower? within the Firebird / WS6 forums, part of the Vehicle Specific category; Originally Posted by 99TransAmSLP I dont think that is right because this guy on youtube filmed his on a dyno ...

  1. #21
    member since may 2000 nhraformula's Avatar
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    2000 nhra edition formula

    Quote Originally Posted by 99TransAmSLP View Post
    I dont think that is right because this guy on youtube filmed his on a dyno and he only had lid and k&n air filter and pacesetter LT's and he had 325
    headers will gain around 30 rwhp, so if you were to do headers, youll have around the same power.

    Instead of doing headers, do a stall converter first, youll easily knock off .5 second of e.t off the car.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  2. #22
    Impounded
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    I think I might do that

  3. #23
    lmpounded SandmanWs7's Avatar
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    2007 CTS-V

    Stock M6

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    Member Blue_98_ws6's Avatar
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    Quote Originally Posted by RyanJM View Post
    Good Long tubes with 3" ORY and a LS6 intake and good catback make a big difference.
    I see in your sig that your mods are close to mine what do u think my hp would be at based on my mods.
    Built A4 with B&M Transpak shift kit, Hooker Lt's, 0RY, 4in cutout, Debaffled, K&N, SLP Lid, Bellows, p+p+descreened MAF,TB bypass, 180 degree Theromostat, AC removed, RP Trans fluid, oil, MSD 8.5 wires, Autolite Xtreme perf plugs, Nitto DR

    Coming soon SFC, 373 gears, 96mm intake/96mm TB, Tune

  5. #25
    Member Bouvers's Avatar
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    Blue 1997 Trans Am(Sold)
    Pewter 2001 Trans Am Vert

    Mines an M6 LT's/ORY/Catback Lid/P&P TB/LS6 Intake

    made 341rwhp I'm guessing you'll be around the 300rwhp mark...

  6. #26
    Impounded
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    hmm

  7. #27
    Auto Painter RyanJM's Avatar
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    I'll say like 310rwhp. Some places only charge like $75 here for 3 pulls on the dyno w/air fuel chart to see where your at. After all my mods before the tune I had 285rwhp then it hit 301 w/tune but my fuel pump was just about dead. After the new pump it jumped to 331 and then the last tune is when they could finally get the air/fuel right and whatever else they did gave me the rest and adjusted the tranny shifting makes it feel better at WOT. Especially when it chirps 2nd in D.
    1998 Trans Am 85k miles.
    Bolt ons, MS3 113LSA cam, Circle D Stall, Tune, Modified WS6 style hood, Full Suspension, 6000k HID's, Clear Side Markers w/ Leds, Led 3rd Brake Light and 18" AR Staggered Killer Wheels w/ BFG KDW NT's.- Weekend Toy/DD
    02 Trailblazer -Sold
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    13 ram 1500 LoneStar CC 4x4 - Magnaflow, K&N,and more to come-DD/Toy

  8. #28
    Junior Member camaro071's Avatar
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    blau-green
    2001 T/A

    dyno test

    Hi,today i do my first dyno test and I was really suprised,test show 363rwhp and 402 torque.My car is 01 T/A convertible stock only mods is flowmaster muffler,so you supposed be more than that.:

  9. #29
    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by camaro071 View Post
    Hi,today i do my first dyno test and I was really suprised,test show 363rwhp and 402 torque.My car is 01 T/A convertible stock only mods is flowmaster muffler,so you supposed be more than that.:
    071, its impossible for a stock f-body to have that much power, the dyno had to be off.

  10. #30
    HUNTER S. THOMPSON FAN Raoul-Duke's Avatar
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    yeah you should be 300rwhp. id shoot for that
    01 m6 z28 - lid / lt headers / 3' ory w no cats / flowmaster catback w 3' dmh e-cutout / nelson pcm tune

  11. #31
    Impounded
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    specially with a muffler I cant see that happening

  12. #32
    Still The Junior Member RedVertTA's Avatar
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    I'm gonna say about 310 at the wheel.

  13. #33
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    yeahh with that muffler get some more stuff like ima do lol

  14. #34
    Still The Junior Member RedVertTA's Avatar
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    Quote Originally Posted by nhraformula View Post
    071, its impossible for a stock f-body to have that much power, the dyno had to be off.
    I agree, no offense camaro071.

    My car is a 2000 Trans Am, convertible as well, I have:

    Ram Air Hood
    SLP Lid
    Filter
    SLP Smooth Below
    FAST 90mm Intake Manifold
    FAST 90mm Throttle Body
    Throttle Bypass Mod (A must with the FAST TB)
    EGR Free Mod
    Kooks LT Headers with JetHot 2000 Degree Ceramic Coating
    American Racing Y pipe with Magnaflow Cats
    DMH Cutout (Single welded in at the start of the catback)
    Flowmaster Catback
    and an a professional dyno tune.

    I have the same car, far more mods than you, the slightly bigger cam that came in the 2000 vs the 2001 cam, and I'm only pushing 343 wrhp on a dynojet 248.
    Last edited by RedVertTA; 02-05-2009 at 09:11 PM.
    FAST 90/90, SLP Lid, Kooks JetHot Coated LT's, American Racing Y-Pipe+Magnaflow Cats, DHM Electric Cutout, Flowmaster American Thunder Catback, HP Tuners Software, 343 rwhp.

    BMR Convertible Subframe Connectors, Hotchkis Strut Tower Brace, BMR Driveshaft Safety Loop.

  15. #35
    Just a souped up sunfire. Ryans99LS1's Avatar
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    when i was at your mods i put down 300. got the air/fuel corrected and put down 320. so i was wayy off. now im an m6 with pretty much full boltons so im hoping for 350.

    dont be disappointed with 300-310, its solid for a light bolt on car. and with a converter youll be suprising a lot of people.

  16. #36
    member since may 2000 nhraformula's Avatar
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    with a 224/224 cam, long tube headers, off road y pipe, no egr, volant cai, ls6 intake and tuning i make 379 to the rear wheels.
    There is no way a stock f-body with a flowmaster is making only 16 rwhp than me

  17. #37
    Just a souped up sunfire. Ryans99LS1's Avatar
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    i have a feeling that his are flywheel numbers. 380hp.400tq at the flywheel is approx 310hp and 330tq to the wheels.

  18. #38
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    if you have a built tranny and stall you will be able to shit of kids

  19. #39
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    I'm not sure I understand what you meant on the last post. (I didn't quote so you could correct it if needed)

  20. #40
    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    Well.. with a lid, headers, dual exhaust, 3600 stall and a tune, I pulled 342/355 at the wheels.. with a best of 12.1 @109.. then to be more legal, I put on a set of cats and 12 bolt and tubular suspension, and only dropped to 336/346...

    There are freak motors out there.. we had a guy running mid 12s on a completely stock z28 auto.. but he never got around to dynoing it...
    -Geno
    1983 Black WS6 "WindCharger"
    1987 Black WS6 "WS87"
    2002 Black WS6 "Silver Streak"
    Sold the other four f-bodies

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