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Thread: Dyno Video Of My 2004 Cobra--Caution 2.9 Whipple Pron!

  1. #11
    Senior Member Marc's Avatar
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    Again, the torque is low (although you don't notice it on the street) is because I have a Stock lower pulley. 4lb lower pulley is going on next year.

    17.5 lbs at 622HP
    20.0 lbs at 686HP on 110 Octane.

  2. #12
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    Not bad. Not sure what a 2.9 should put down but that's impressive if thats your actual daily driven horsepower. The place that tunes my car usually throws a few degrees more timing a leans out the fuel to get the higher Jo numbers on the dyno. The backs it back down for daily use. You know just to impress the Internet jockeys.

  3. #13
    Senior Member Marc's Avatar
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    Actually I had them tune it for "safety" over a higher internet number. The car has more in it especially with some longtubes and 4lb lower pulley. I told them to be conservative. I spent a lot of money on parts and didn't want it blowing up. I do have a race tune on it, but that is loaded for when I go to the track.

  4. #14
    Senior Member brentsSVT's Avatar
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    oh theres no doubt that 600+ is alot for the street. i bet its a blast. what long tubes are you going to go with?
    2004 SVT Cobra, C&L, Pypes, SLP, B&M, Steeda, conservative 483rwhp @ 12.6 psi

  5. #15
    Senior Member Marc's Avatar
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    My tuner suggested they have great luck combining the 2.9 Whipple with some AMR 1 3/4 long tubes with their X-pipe. So, I am leaning that way.

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