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Does 330rwhp Sound Feasible?

This is a discussion on Does 330rwhp Sound Feasible? within the External Engine forums, part of the LSx Technical Help Section category; I know this isn't an LS1 but a new stock G8 gained 34rwhp custom tuned to just 87 octane gas. ...

  1. #21
    SOM WS6 fbird777's Avatar
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    Sunset Orange Metallic
    2002 Pontiac Trans Am WS6

    I know this isn't an LS1 but a new stock G8 gained 34rwhp custom tuned to just 87 octane gas. Heres the link:

    http://ls1tech.com/forums/showthread.php?t=896664

  2. #22
    Member hoss 2000 z-28's Avatar
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    Monterey Maroon Metalic
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    2000 Z28 A4

    Mods:
    *K&N FIPK
    *OBX Stainless Steel Racing Longtube Headers (3" Primaries) / Offroad Y-Pipe
    *Magnaflow 3" Stainless Steel Cat-Back
    *Powerbond 25% Underdrive Pulley W/Gatorback Serpentine Belt
    *NKG TR55 Spark Plugs (gapped at .45)
    *JBA 8mm Ignition Wires with Insulator Sleeves
    *Prothane Motor Mounts
    *Prothane Transmission Mount
    *3-Point Sub-Frame Connectors Powdercoated Black
    *Ceramic Brake Pads

    Dynoed 9/22/07 on a very hot/humid day at Automotion in Louisville.

    Baseline pull was:
    302.6whp @ 5500rpm / 318.1wtq @ 4250rpm. AFR 10.6 to 11.3

    After tune:
    320rwhp @ 5500rpm / 335wtq @ 4250rpm. AFR 12.4 to 13.1

  3. #23
    Member 89LX's Avatar
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    2000 Z28 M6

    Given the weather conditions you are probably correct. With those mods should be better on a cool day. I see a lot of folks listing RWHP but not torque?

  4. #24
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by fbird777 View Post
    The reason I am going to RPM at Garner, NC is because a buddy of mine took his stock 1999 Hugger Orange SS to RPM and got it dyno tuned. He started out with 298rwhp and after the custom dyno tune he had 321rwhp. The guy that put my headers, y-pipe, etc. said it is not uncommon to see a 15-25rwhp gain with a custom dyno tune.
    I hope it works out for you.
    Just don't be too pissed if you don't get it.

  5. #25
    Senior Member OnEbAdReDSS's Avatar
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    2000 Camaro SS # 5,876

    it also depends on the dyno... on this dynomatic dynometer i go dynoed at like 317 with 323 torq and from a dynojet i dynoed 345 hp and 352 torq

    that reminds me i need to get that changed at the dyno pages

  6. #26
    Senior Member JonB's Avatar
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    Quote Originally Posted by nhraformula View Post
    a tune may get you to 350 rwhp, but no way are you going to get a 17 h.p increase from a tune.

    when they put in my cam and dynoed my car, it made 374 rwhp, after tune, 379.

    I picked up 17 hp and 19ft lbs from my tune. Started with 340hp 349ft lbs to 358hp 368ft lbs with similiar mods as the poster. Only other mods were underdrive and home ported tb. Those numbers are on a set of mack mid-lengths headers and catted y.


    Here's my dyno since most probably wont believe me as they usually don't. 10-15hp is more the norm, even my tuner did not believe it when he saw it he was very impressed with the numbers my car made with the macs.


  7. #27
    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
    '00 Black SS #8617

    Quote Originally Posted by fbird777 View Post
    This Saturday I will be taking my 2002 WS6 M6 to have some parts put on, here is a list of what is going to be done. Keep in mind I only have a Borla catback exhaust system and the dyno will be on a Dynojet:

    1) SLP Lid
    2) Pacesetter LT Ceramic Coated Headers
    3) TSP 3" Catted Y-Pipe W/ Magnaflow High Flow Cats
    4) QTP 3" Electric Cutout
    5) A custom dyno tune with wideband O2 to alter A/F ratio
    A4 or M6...?

    you should be close to that 330rwhp stock being an '02. with what you have listed and a tune you should be well over 330rwhp...

    damn, i dynoed 325rwhp/330rwtq, with just an SLP lid (un-tuned), car is an M6...

    keep us posted...
    Last edited by SSwt00SS; 06-13-2008 at 10:01 AM.
    2000 SS - The Wicked Witch: °°Cammed 'n Slammed°° 458rwhp/410rwtq
    Quote Originally Posted by Bowtie_girl30
    I was hoping to just hump her up the exhaust cause she is so damn sexy....
    "Never argue with an idiot. They drag you down to their level, then beat you with experience."

  8. #28
    SOM WS6 fbird777's Avatar
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    Quote Originally Posted by SSwt00SS View Post
    A4 or M6...?

    you should be close to that 330rwhp stock being an '02. with what you have listed and a tune you should be well over 330rwhp...

    damn, i dynoed 325rwhp/330rwtq, with just an SLP lid (un-tuned), car is an M6...

    keep us posted...
    I have an M6, I dynoed 320rwhp with just a Borla exhaust. After the LT's, catted y-pipe, lid, and cutout I made 343rwhp. I believe he also said one of my plug wires was going bad and it still made good numbers. Just ordered MSD Super Conductor plug wires and NGK55 spark plugs.

  9. #29
    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
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    solid numbers, i bet you like the sound of that Borla even more-so now...

  10. #30
    SOM WS6 fbird777's Avatar
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    Quote Originally Posted by SSwt00SS View Post
    solid numbers, i bet you like the sound of that Borla even more-so now...
    Actually I'm picking up the car tomorrow, I haven't even heard it.

  11. #31
    Aw shucks. bluefields88's Avatar
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    Quote Originally Posted by nhraformula View Post
    a tune may get you to 350 rwhp, but no way are you going to get a 17 h.p increase from a tune.

    when they put in my cam and dynoed my car, it made 374 rwhp, after tune, 379.
    I picked up 20 horsepower from a tune after my intake was put on...

  12. #32
    SOM WS6 fbird777's Avatar
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    Quote Originally Posted by bluefields88 View Post
    I picked up 20 horsepower from a tune after my intake was put on...
    I haven't been on here in ages. Yeah, I picked up about 17rwhp with my dyno tune. I went from 343rwhp to about 360rwhp, the cool thing was that I had over 370 lbs of torque to the wheels after the tune, sick.

  13. #33
    Member slpdablueZ28's Avatar
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    im going to get my car tuned and dynoed today too. hopefully looking for some decent increase. havent gotten it tuned yet, but the guy said i could probably gain 60hp with the tuning. is someone full of shit?

  14. #34
    Visualize°Design°Create SSwt00SS's Avatar
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    Quote Originally Posted by slpdablueZ28 View Post
    im going to get my car tuned and dynoed today too. hopefully looking for some decent increase. havent gotten it tuned yet, but the guy said i could probably gain 60hp with the tuning. is someone full of shit?
    well without knowing what mods you have and a baseline, then yes, someone is full of BS.

    when you go in for your tune, make sure the 1st pull is done before any tuning. demand it. then he will tune the car over a few runs. then note the difference...

  15. #35
    Member slpdablueZ28's Avatar
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    Quote Originally Posted by SSwt00SS View Post
    well without knowing what mods you have and a baseline, then yes, someone is full of BS.

    when you go in for your tune, make sure the 1st pull is done before any tuning. demand it. then he will tune the car over a few runs. then note the difference...
    cai, catback, headers, and 85mm Maf, all SLP. havent done any tuning on it yet. but yeah definately going to make him do a dry run to check that baseline.

  16. #36
    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
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    Quote Originally Posted by slpdablueZ28 View Post
    cai, catback, headers, and 85mm Maf, all SLP. havent done any tuning on it yet. but yeah definately going to make him do a dry run to check that baseline.
    you should be in the 350-360 range...

  17. #37
    Member slpdablueZ28's Avatar
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    yeah thats wat i was hoping for. after this tuning im going to have to save up some money and next step is to bump it up past 400

  18. #38
    Senior Member camarojunky74's Avatar
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    white, white and pewter
    Rip99SSA4,74Z28M4,02SSM6

    yeah that sounds good, my car did 340hpp 350tq with a blackwing lid and gmmg catback on a dyno dynamics. so basically stock.

  19. #39
    Still The Junior Member RedVertTA's Avatar
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    Thumbs up Goal

    Very much so, look at my signature, I have very similar setup, except for the FAST Manifold+TB and I'm at 343. I'm guessing the FAST parts might just be whats making the difference between my actual number and your goal of 330, so in that sense your goal is very reasonable.

    Best of luck to you, I hope you reach your goal.
    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.

  20. #40
    Party Time, Excellent... Kingc8r's Avatar
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    2000 Z-28

    I made 328hp without the LS6 or PTB, 332hp with LS6, no PTB....untuned of course and through an A4

    I have Hooker LTs, O/R Y, and CB. I also have 160 thermostat, SLP Lid, FTRA, QTP ECO, PTB and LS6
    Last edited by Kingc8r; 11-28-2008 at 08:31 PM.

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