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  1. J

    wide open throttle issue

    I hope someone here can help me. My car drives great except for WOT when the outdoor temperature is cool. Like when temperatures outdoors go below 60 degrees. If I punch the gas WOT I get this nasty popping/grinding noise, very similar to what a stationary burnout sounds like, and the car does...
  2. J

    Dyno results status post Kooks long tube header installation

    Well, I just got back from Carolina chassis dyno. Here are the results after having done Kooks long tubes and catted X-pipe. 425 whp. 402 wtq. Since the car is an automatic, what does this equate to at the flywheel, anyone have any ideas? The guy who ran the dyno said I was a bit lean at...
  3. J

    Underdrive pully

    How long does it take to install one of these underdrive pullies, I'm thinking of going with Steeda. And how noticable is the power difference? I hear they free up about 10 hp but is it something that is perceptible when you get into the throttle? __________________ 2007 GT California...
  4. J

    Anyone know anything about Carolina Chassis dyno?

    As mentioned before, I'm going to get my car tuned for the new headers tomorrow. The shop I'm taking the car to is called Carolina Chassis Dyno, near Columbia SC. Anyone have any info on this shop and are they reputable. I'm not looking for a custum tune, I just want to get my Brenspeed canned...
  5. J

    SCT tune/dyno shop question

    I just installed Kooks long tubes with catted X pipe. Car runs great. No CEL and its been 5 days now. I've decided to make the trip to the nearest SCT dyno shop an hour away. My question for you all is this. I love the Brenspeed 93 octane tune, so all I really want the shop to do is to maximize...
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