What have you all done to your CTS?
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, What have you all done to your CTS? in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; What has everyone done to make their CTS better? What sort of custom mods have you engineered to fill the ...
  1. #1
    DavidBoren's Avatar
    DavidBoren is offline Cadillac Owners Fanatic
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    What have you all done to your CTS?

    What has everyone done to make their CTS better?
    What sort of custom mods have you engineered to fill the void in the available aftermarket?
    Has anyone ported/polished/blueprinted/balanced/done anything to the internals of their LY7?
    Anyone using MACE cams?
    Does anyone on this forum have a forced-induction LY7?

    I have not done much to mine, just a Hayden external transmission cooler w/ temp gauge, Volant intake, and a RX breather cap.

    This is just pathetic; considering I have the RX Ice-lator, NGK Iridium spark plugs, RX dual valve catch can, drilled out PCV tube, CS diff bushing and block, and a brand new transmission mount w/ RevShift reinforcing block all just sitting in my trunk. All of that, probably $1000 worth of toys, sitting in my trunk waiting to be installed.

    I, personally, am a mad scientist, and I like to hear about peoples' tinkerings. Tell everyone about your CTS, and what makes it yours.

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  3. #2
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    I personally have been starting to look into a turbo set up. The reason for the turbo setup instead of the supercharger is that the turbo system is pretty crude and allows for imperfections. I was looking at maybe a T25 which is the stock turbo from the Eagle Talons and many other cars I am sure. I believe low boost on that was around 7 pounds and 16 was pretty much it's limits. It's a small turbo that spools up very quick and trims off at about 5500-6000 rpm. Since our cars are more torque than top end Hp I figure it will work great. I was going to just make my own exhaust manifold to mount the turbo and go external wastegate. Running it at about 8-12 psi should be fine on the motor. My hang up is going to be the computer and MAF. I need to do some research on the limits of the MAF as far as incoming air. Also, I'm not too sure how much compensating the Computer will do for the air.

    So basically my beginning shopping list is a T25, external wastegate, boost controller, intake piping, wide band O2, injectors, and some ideas for a manifold and room to mount the turbo. Most of these parts i have, or have easy access to. Info on the MAF and ECM is need.

    What do ya think of that Mr. Mad scientist? Lol. Have any insight?

    I want to get ahold of Rev Extreme. They will have much of the needed info on the MAF and ECM.

  4. #3
    agp's Avatar
    agp
    agp is offline Cadillac Owners Connoisseur
    Automobile(s): 2007 Cadillac CTS 3.6L, all options except navigation.
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    Re: What have you all done to your CTS?

    GhettoMike intake
    All white LED inside and out
    Clear fogs (WHAT A PITA!)
    Disabled DRL
    Smoked side turn signals
    Sueded door inserts
    Headphone line from Sirius radio
    Debadged
    Detailed
    Tints

    Thought about a matte wrap a while ago, but decided that it's too much work and money for this car. I'll save it for a more expensive car.

  5. #4
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by Blayne
    I personally have been starting to look into a turbo set up. The reason for the turbo setup instead of the supercharger is that the turbo system is pretty crude and allows for imperfections. I was looking at maybe a T25 which is the stock turbo from the Eagle Talons and many other cars I am sure. I believe low boost on that was around 7 pounds and 16 was pretty much it's limits. It's a small turbo that spools up very quick and trims off at about 5500-6000 rpm. Since our cars are more torque than top end Hp I figure it will work great. I was going to just make my own exhaust manifold to mount the turbo and go external wastegate. Running it at about 8-12 psi should be fine on the motor. My hang up is going to be the computer and MAF. I need to do some research on the limits of the MAF as far as incoming air. Also, I'm not too sure how much compensating the Computer will do for the air.

    So basically my beginning shopping list is a T25, external wastegate, boost controller, intake piping, wide band O2, injectors, and some ideas for a manifold and room to mount the turbo. Most of these parts i have, or have easy access to. Info on the MAF and ECM is need.

    What do ya think of that Mr. Mad scientist? Lol. Have any insight?

    I want to get ahold of Rev Extreme. They will have much of the needed info on the MAF and ECM.
    I guess I should add that I have done coilovers, 20" rims, LED fogs, tinted orange section of fogs, Volant, debadged, painted engine cover. Working on custom exhaust as we speak and ordering the Vmax and catch can next week. I need some brakes too lol

  6. #5
    RoyalFlush's Avatar
    RoyalFlush is offline Cadillac Owners Enthusiast
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    Re: What have you all done to your CTS?

    Volant
    Ported Maf
    Eibach's
    Drilled/Slotted Rotors
    Tints
    Windows 7 CarPC w/ 8 in touchscreen n home made nav
    Refinished center stack and shifter frame to Gloss Black
    2 amps subs and speakers
    Gutted V-exhaust
    Clear Sidemarkers

    Been the same for past 1 1/2 years I think this summer she deserves some TLC

  7. #6
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by RoyalFlush
    Volant
    Ported Maf
    Eibach's
    Drilled/Slotted Rotors
    Tints
    Windows 7 CarPC w/ 8 in touchscreen n home made nav
    Refinished center stack and shifter frame to Gloss Black
    2 amps subs and speakers
    Gutted V-exhaust
    Clear Sidemarkers

    Been the same for past 1 1/2 years I think this summer she deserves some TLC
    What did the ported MAF do for you? Any noticeable difference? I wouldn't think it would do much.

  8. #7
    DavidBoren's Avatar
    DavidBoren is offline Cadillac Owners Fanatic
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    Re: What have you all done to your CTS?

    Blayne,
    I really like the sounds of your turbo set-up. I think you should use the factory exhaust manifolds, bring them together with a cat'ed Y-pipe, and put the turbo where the factory resonator is. That keeps everything inside the engine compartment pretty much factory, so you avoid lighting your car on fire when you find out some electrical nonsense wasnt capable of handling the heat generated by the turbo. You could even plumb the turbo's intake up to your Volant filter/air box to make it all look pretty much stock under the hood.
    You will probably need some new injectors, because the factory CTS injectors are kind of pathetic (23#/233cc). The LS2 uses the same shorty style injectors. And stock LS2 injectors are 33#, I believe. They may be a little excessive, but they would probably work.
    About the MAFS... Jet Power offers a hi-flow MAFS for our cars that would probably work with low boost.

    I would also like to know about porting the MAFS. It makes sense that paying good money for a cold air intake with nice smooth radius'ed piping, one would want a less restrictive MAFS as well. And taking a dremel/drill to the OEM unit is better than paying $250 for the hi-flow Jet MAFS. Will our computers read the extra airflow as a lean mix? Will it compensate? Is descreening a MAFS something you only do before a tune? Otherwise, why doesnt everyone do this? How hard is to get eliminate the MAFS altogether and tune the car to read speed/density?

  9. #8
    oxnard805's Avatar
    oxnard805 is offline Cadillac Owners Member
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    Oil changes
    CTSjones, DavidW87, CTSM and 1 others like this.

  10. #9
    Argent1's Avatar
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    Re: What have you all done to your CTS?

    I'm doing something totally outrageous. I'm keeping it mostly stock.
    CTSjones, Sotex, Sotex and 4 others like this.

  11. #10
    DavidBoren's Avatar
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    Re: What have you all done to your CTS?

    Quote Originally Posted by Argent1 View Post
    I'm doing something totally outrageous. I'm keeping it mostly stock.
    Gross.

    Im just playin. I cannot leave anything alone to save my life. Within two minutes of holding a click-pen I have disassembled it and messed with it. If its mechanical, I have to upgrade it or play with it. Its literally almost like an obsession or a nervous tick.

  12. #11
    Argent1's Avatar
    Argent1 is offline Cadillac Owners Connoisseur
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    Re: What have you all done to your CTS?

    Quote Originally Posted by DavidBoren View Post
    Gross.

    Im just playin. I cannot leave anything alone to save my life. Within two minutes of holding a click-pen I have disassembled it and messed with it. If its mechanical, I have to upgrade it or play with it. Its literally almost like an obsession or a nervous tick.
    When I was your age I did all that. I didn't say 'completely' stock. But it is a wonderful car just as it sits.
    CTSM likes this.

  13. #12
    arw1510 is offline Cadillac Owners Enthusiast
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    I drive mine, hoping it gets better with age. 160k miles and its still a beast. I wash it every now and then
    CTSjones likes this.

  14. #13
    hey8you's Avatar
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    Re: What have you all done to your CTS?

    I have only done a few things to mine.

    Strut tower brace(was meant for a different engine but I made it fit)
    LED tail light(not just the bulbs but entire housing replacement).
    PlastiDip on rims, anything chrome, tail lights, head lights and grill.
    CCTV system(3 cameras + audio)
    12' sub + amp
    air horns
    HIDs
    K&N intake
    mount for phone and tablet
    FM modulator
    LED running lights mounted behind grill
    cheap(knock off) V grill

  15. #14
    txbest1980's Avatar
    txbest1980 is offline Cadillac Owners Master
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    Re: What have you all done to your CTS?

    i had done way to much to mine, that it cost more in parts installed than it was actually worth...so i did the right thing and got rid of it and upgraded to better toys...as soon as Uncle Sam lets me come back to the states, I will look into an XTS or ATS along with tinkering with the EXT

  16. #15
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
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    David, I like the idea of mounting the turbo in the resonators place. I think the current intake location would work. The pipes from the intake all the way to the turbo and back will be long so there may be a touch more lag when I get on the skinny pedal. Do the V injectors fit in our cars? That would be a painless swap if they did. As for the MAF, I have no idea what to do with that. I know that GM does have a 3" MAF that I may be able to use and just rewire the plug in for our car. I use to have a 3" MAF on my Talon but we had a translator box that was used with it. Going speed density was also done a lot but I am not too sure it will work on the Caddy. Like I said, I plan on contacting Tracy from RX and picking his brain. I hope I can get some support from him when I plan on doing it. Hell, I may even take some time off and drive down to Florida and get it tuned by him.......wishful thinking lol.

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