2009+ CTSV Performance Modification list Cost / HP - Page 4
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2009-2014 Cadillac CTS-V Performance Mods Discussion, 2009+ CTSV Performance Modification list Cost / HP in Cadillac CTS-V Series Forum - 2009-2014; Originally Posted by S_al_h What do you guys recommend to gain the highest boost.. I thought id go with a ...
  1. #46
    aj660 is offline Cadillac Owners Enthusiast
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    Quote Originally Posted by S_al_h View Post
    What do you guys recommend to gain the highest boost.. I thought id go with a 10 lower, cai, tune, and some fuel injectors.. I dont want to change the sound of the car but i do love some more supercharger whine
    This sounds like a great combo.

  2. #47
    lite-em_up is offline Cadillac Owners Member
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    If I wanted to do warranty compliant (or rather "tolerant") bolt-ons, what can I get away with so the car will still "run" when I flash back to the factory map? For now, ideally I'd like to do: Chip+Tune \ CAI \ Headers + High Flow Cats \ Rear exhaust \ Injectors \ Pulley(s) \ Blower porting + intercooler (in that order).

    But from what I am reading I'd have to stay somewhat conservative with the injectors. The guys at my dealership said that GM can get a little sticky on Headers and Cats, and that its better to modify the back half of the exhaust system if you are going to change anything. I am also looking at feasibility of a Z06 or LS9 clutch assembly, to reduce rotating weight.

  3. #48
    jay lane is offline Cadillac Owners Member
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    We just recently installed a corsa axle back and an airaid cai on one of our demos and it helped quite a bit. Not sure what the numbers are, but you definetly tell a big difference in the seat of your pants!

  4. #49
    Chrispy's Avatar
    Chrispy is offline Cadillac Owners Enthusiast
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    I don't believe the clutch assemblies are interchangeable.

  5. #50
    Umrswimr's Avatar
    Umrswimr is offline Cadillac Owners Fanatic
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    Quote Originally Posted by lite-em_up View Post
    If I wanted to do warranty compliant (or rather "tolerant") bolt-ons, what can I get away with so the car will still "run" when I flash back to the factory map? For now, ideally I'd like to do: Chip+Tune \ CAI \ Headers + High Flow Cats \ Rear exhaust \ Injectors \ Pulley(s) \ Blower porting + intercooler (in that order).

    But from what I am reading I'd have to stay somewhat conservative with the injectors. The guys at my dealership said that GM can get a little sticky on Headers and Cats, and that its better to modify the back half of the exhaust system if you are going to change anything. I am also looking at feasibility of a Z06 or LS9 clutch assembly, to reduce rotating weight.
    If you go that route, you need to expect to kiss your warranty goodbye. If you really want a warranty "compliant" bolt-on, you're probably limited to CAI and cat-back exhaust.

  6. #51
    Presence Distribution is offline Banned
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    Quote Originally Posted by drexelu97 View Post
    and a tune or just injectors, lower pully and a cai.
    Drexelu- Send me an email and i'll get you taken care of on mods at the best price - Bryce@PresenceDistribution.com

  7. #52
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    agp
    agp is offline Cadillac Owners Connoisseur
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    Sorry, why are we starting at 450hp? Does the V put out 556 on paper but only 450 on pavement?

  8. #53
    tph4m86 is offline Cadillac Owners Member
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    Quote Originally Posted by agp View Post
    Sorry, why are we starting at 450hp? Does the V put out 556 on paper but only 450 on pavement?
    556hp is at the crank. By the time the power gets to the rear wheels, a good chunk is loss in the drivetrain--resulting in ~450rwhp. rwhp = rear wheel horsepower.
    the godfaja likes this.

  9. #54
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    sidcts is offline Cadillac Owners Member
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    Great info. I guess I'm in the same boat. 2 paths:

    A. 2.5 with factory lower: about 18% increase in boost, no additional mods required
    B. 2.4 with factory lower: 23% boost no mods required
    C. Factory upper with 9.5 lower: 21% boost needs 50mm idler.

    With these options, my questions are:

    1. How much HP to the wheels does the increase in boost generate?
    2. Does RWHP care where the additional boost comes from?
    3. My supercharger doesn't rattle at idle or sound like marbles, but when I'm really getting into in, faint rattle (almost like under octaned) but it's never seen anything but 93 since I've owned it.
    4. Would the upper swap with the solid isolator cure that rattle?

    Thanks guys, love the car and the forum.

    Sid

  10. #55
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    stupidfast is offline Cadillac Owners Fanatic
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    Before you do anything, go to your dealer and complain about the rattle at high rpm. I never really heard any rattle from mine but my son said he did. I went to the dealer, the service advisor said he couldn't really hear anything so he got the shop Forman who listened for about 3 seconds and said " book it in for a replacement. I think they know they will all fail eventually and would just as soon replace it before it can cause further problems. If you mod it first, set aside an extra 4 or 5 thousand for when it goes.

  11. #56
    eman88 is offline Cadillac Owners Member
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    Re: 2009+ CTSV Performance Modification list Cost / HP

    Quote Originally Posted by cbloveday View Post
    Save yourself some time and money and go with Jesse Bubb.
    You got a number and address for Jesse's shop?

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