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42hp & 26 ft/lbs tq gain

This is a discussion on 42hp & 26 ft/lbs tq gain within the Dyno Information forums, part of the Racing Forums category; The blue run is from a few months ago, with an air lid/catback. The green run is last night, I ...

  1. #1
    Member keliente's Avatar
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    99 Firebird Formula

    42hp & 26 ft/lbs tq gain

    The blue run is from a few months ago, with an air lid/catback.

    The green run is last night, I added pacesetter LT's, ORY, and an LS6 manifold. I started the night with 335 hp & 342 ft/lbs tq and was able to squeeze out a few more hp for a final run of 351 hp & 355 tq (STD). Not too shabby...can't wait to get back to the track now that I have retuned it (was going 8.4 two weeks ago).

    It also picked up 5hp with the MAF screen removed. And no the car was not allowed to cool between runs...no tricks, just straight up gain 5hp w/o the screen.



  2. #2
    Senior Member Zboner's Avatar
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    99 SS

    do you have any tunnig done? and that a lot of Hp gain for just bolt on's!

  3. #3
    Member keliente's Avatar
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    99 Firebird Formula

    Yes I said in my post that I just retuned it.

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Damn....without tune when I installed the LS6 intake and SLP headers, I gained 13 RWHP and 15 ft/pounds. I was quite disappointed.
    Once I added the cam though, it jump 41 RWHP. Just needed to utilize the airflow better.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  5. #5
    BlackHawk T/A
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    You can't run headers without a tune well...the car was probably running rich and you won't get all the power out of it.

  6. #6
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    2001 Trans Am WS6

    WTF your car is pumping out the same horsepower, and more torque, then my Z06 cammed WS6... LOL .... That's an extremely healthy car, cause most cars w/ mild bolt ons and headers only see 340 whp.

  7. #7
    old timer blue02Z's Avatar
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    2002 Z28

    How exactly did you tune your car. I haven't gotten that far yet with my ride.
    air lid, slp bellow, slp maf, throttle body bypass, flowmaster muffler

  8. #8
    Senior Member ninobrn99's Avatar
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    all bore 370 Trans Am

    kelly. are you tuning it or is someone else??

  9. #9
    Member keliente's Avatar
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    99 Firebird Formula

    I am. I use tunercats software. The reason I feel my car makes more power with headers than other peoples cars is because I took the time to tune it....I started out with 335hp & 342 tq, so the tune alone gave me 15hp & 13 ft/lbs tq....I think if more people would spend a little time on the dyno tweaking things here and there they'd see they could get better numbers too

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