Dynoed my car tonight
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Cadillac STS-V Series Forum Discussion, Dynoed my car tonight in Cadillac V-Series Forums; I put my car on the Mustang dyno at work tonight. I did one pull with my modified tune in ...
  1. #1
    TimmyC is online now Cadillac Owners Connoisseur
    Automobile(s): 99 SLS and Turbo 07 STS-V-Now back to Supercharged
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    Dynoed my car tonight

    I put my car on the Mustang dyno at work tonight. I did one pull with my modified tune in it and one with the stock tune. They made almost exactly the same power. Mine made 400 and the stock tune made 398, both SAE corrected. Uncorrected power was 425 and the correction factor was .940. I'm told our dyno reads on the higher end of Mustang dynos but still lower than a dynojet.

    My car is stock other than an upgraded heat exchanger. Charge temps were around 110 degrees on all pulls.

    I'm linking the dyno sheet, an HP tuner scan, and a crappy video.



    http://www.2shared.com/file/GvNCxILL...tims_tune.html

    http://www.2shared.com/file/xxi6N6SP...tock_tune.html

    View My Video

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  3. #2
    PGA2B's Avatar
    PGA2B is online now Cadillac Owners Connoisseur
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    Re: Dynoed my car tonight

    First off, Excellent results!!!

    Next have you talked to Zooomer about porting your Supercharger? Also what exchanger did you go with? Was it the Ion you guys sell? I am looking at a Fluidyne or Stillen as we carry both of them.

    On to your tune. Did you also change your commanded Stoich or just AFR in PE?

  4. #3
    TimmyC is online now Cadillac Owners Connoisseur
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    Re: Dynoed my car tonight

    Thanks. The heat exchanger is one of our stage 3 Grand Prix units with different tabs. I mounted it to the underside of the bumper extensions. I can see if I can get you one like mine if you'd like. Just let me know.

    I have not discussed porting the supercharger yet but it is on my list. First is a CAI. I'm going to get started on that this week.

    I changed my commanded AFR in the PE table to 11.5. The car was quite a bit leaner than commanded on my tune and the stock tune. I noticed this afternoon that the coupler after the MAF was partially disconnected. I'm sure that was the problem.

  5. #4
    torched10's Avatar
    torched10 is offline Cadillac Owners Fanatic
    Automobile(s): 2008 sts v, 2011EXT,65 GTO,08 vette,gt500
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    Re: Dynoed my car tonight

    man these cars pull alot of boost--i have a Shelby Gt500 and the max Ive pulled is 10. Are you guys running an underpulley??

  6. #5
    TimmyC is online now Cadillac Owners Connoisseur
    Automobile(s): 99 SLS and Turbo 07 STS-V-Now back to Supercharged
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    Re: Dynoed my car tonight

    Nope, stock boost on these is 12psi.

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