Holy Crap!!
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Cadillac STS-V Series Forum Discussion, Holy Crap!! in Cadillac V-Series Forums; I have clean tips!! I knew I was running rich because the black tips but the scanner was showing ok. ...
  1. #1
    PGA2B's Avatar
    PGA2B is offline Cadillac Owners Connoisseur
    Automobile(s): Black Raven STS V
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    Holy Crap!!

    I have clean tips!! I knew I was running rich because the black tips but the scanner was showing ok. The bad cats were really effecting the readings. She feels like a different car now. The biggest difference I feel is mid range is much stronger now but I haven't had the opportunity to really push her. I am also seeing higher airflow readings up top so the cats must have been pretty clogged.

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  3. #2
    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: Holy Crap!!

    Huh, I would not have expected that. How much extra air are you seeing with new cats?

  4. #3
    PGA2B's Avatar
    PGA2B is offline Cadillac Owners Connoisseur
    Automobile(s): Black Raven STS V
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    Re: Holy Crap!!

    Before I only saw .84 g/cyl. and now I have seen .92 on a brief burst and have not done a full out WOT run. I can feel the difference. I'll need to do a full run and look at the log. The biggest moment was I was trying to get through a yellow light and damn near turned her sideways. I regained composure and hit it again and the the damn thing has NEVER responded like that before.

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