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Cadillac CTS V-Sport Discussion, Boost in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; What kind of boost are you guys seeing under wide open throttle? Ive been watching my gauge and it seems ...
  1. #1
    Antero's Avatar
    Antero is offline Cadillac Owners Fanatic
    Automobile(s): 2014 CTS Vsport
    Join Date
    Mar 2011
    Location
    Volo, IL
    Posts
    104

    Boost

    What kind of boost are you guys seeing under wide open throttle? Ive been watching my gauge and it seems like it never went over 12PSI. Granted it was cold today, around 10 degrees in the Chicago area. I could have sworn I read somewhere we should be closer to 18 to 20 near red line?

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  3. #2
    gmfamily is offline Cadillac Owners Fanatic
    Automobile(s): 2014 CTS V-Sport/2015 Escalade/Sold 2013 CTS-V Stealth Ed
    Join Date
    Sep 2013
    Location
    Hampton Roads
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    393
    I think the most I have seen is 12 or 13. Now I want to make sure. I will check it out for sure tomorrow.

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  4. #3
    jacksmonster is offline Cadillac Owners Member
    Automobile(s): CTS Vsport
    Join Date
    May 2014
    Posts
    1

    Re: Boost

    Should be limited to 10lbs per technical documentation

  5. #4
    Lord Cadillac is offline Cadillac Maniac
    Automobile(s): Cadillac Escalade
    Join Date
    Dec 2002
    Location
    Royal Palm Beach, Florida
    Age
    43
    Posts
    13,617

    Re: Boost

    I read somewhere that each turbo pushes 6psi. So 12psi, if that were the case, is normal. To my understanding, if there's ever to be a higher spike, it would be in colder weather - not warmer weather.
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  6. #5
    Perses is offline Cadillac Owners Member
    Automobile(s): 2014 CTS Vsport Premium
    Join Date
    May 2014
    Posts
    29

    Re: Boost

    I'm getting 20 psi on my Trifecta tune... The OBD gauge I bought won't show up for another few days and I'll let everyone know what the gauge says!

  7. #6
    stevejf is offline Cadillac Owners Member
    Automobile(s): 2014 Ctsv sport
    Join Date
    Aug 2014
    Age
    40
    Posts
    6

    Re: Boost

    I was making 14 psi and now im seeing 18 with my livernois tune idk why you guys are only seeing 12 ????
    My car would go to 14 psi every time im also in California don't know if that makes a difference.

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