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2004-2007 Cadillac CTS-V Performance Mods Discussion, Twin Turbo Kit for V1 in Cadillac CTS-V Series Forum - 2004 - 2007; Using headers with turbos is not the best idea... The stock manifolds work a lot better... Check out all the ...
  1. #61
    CTS-V_07 is offline Cadillac Owners Member
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    Using headers with turbos is not the best idea... The stock manifolds work a lot better... Check out all the GTO and Camaro turbo builds on ls1tech what do you see them using stock manifolds making big power. You are stepping in a different world from superchargers. Now I wouldn't run a stock exhaust. If you guys are just providing hot & cold side piping, IC, turbos the price needs to be around 5000 IMO... Look at the gto, g8 vette world upp's stepped up and built a affordable turbo kit that is under 6000 for everything you need.

  2. #62
    Jsmitty02z28 is offline Cadillac Owners Member
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    Quote Originally Posted by CTS-V_07 View Post
    Using headers with turbos is not the best idea... The stock manifolds work a lot better... Check out all the GTO and Camaro turbo builds on ls1tech what do you see them using stock manifolds making big power. You are stepping in a different world from superchargers. Now I wouldn't run a stock exhaust. If you guys are just providing hot & cold side piping, IC, turbos the price needs to be around 5000 IMO... Look at the gto, g8 vette world upp's stepped up and built a affordable turbo kit that is under 6000 for everything you need.
    Thanks for the feedback we will keep this in mind when planning this build. I appreciate the support on stock manifolds.

    Jason


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  3. #63
    CTS-V_07 is offline Cadillac Owners Member
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    I'm interested in a kit also.. Well when I see the price that is lol. I have been planning a turbo build since I got the car but a kit would save me a lot of time.

  4. #64
    253ctsv is offline Cadillac Owners Fanatic
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    Quote Originally Posted by Jsmitty02z28

    People make 1300HP on stock manifolds. Using a header isn't necessary. Our kit will use stock manifolds therefore you can take your kooks or any aftermarket header and sale them to help with cost of the turbo build. It's a win win for everybody.

    Jason

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    Whoa whoa whoa. I put my kooks on a week ago and now you're telling me I should take them off!!! Lol

  5. #65
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    Manofmetal01 is offline Cadillac Owners Fanatic
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    Quote Originally Posted by Jsmitty02z28 View Post

    I'm not sure what Edelbrock kit you are referring to but I haven't seen one that produces the same numbers we are expecting.
    You are quite right, it is only proposed to be about 550ish hp...which is enough at this time as this wont be a track car until after I have a certain 2011 coupe in my hands.
    Im still excited to see what you come up with, I just wont be joining in the fun.

  6. #66
    VincentT is offline Cadillac Owners Member
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    Re: Twin Turbo Kit for V1

    One issue to watch out for is going to be ground clearance. Most of the TT Vs that have the turbos off of the headers have pretty sketchy ground clearance, particularly with the charge pipe coming to the front past the subframe. One possible solution that I've investigated for myself is oval piping. Spintech has good examples of piping as well as transitions. I know the laminar flow of oval piping is completely different from round pipe, but it might be an avenue to investigate.

  7. #67
    philistine's Avatar
    philistine is online now Cadillac Owners Enthusiast
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    Re: Twin Turbo Kit for V1

    Quote Originally Posted by Jsmitty02z28 View Post
    The sound of longtubes is irrelevant when turbos are added.
    I would rather hear a turbo spooling and obnoxious BOV. Would the stock exhaust manifold spool faster than long tubes or is that irrelevant?

  8. #68
    darkman's Avatar
    darkman is offline Cadillac Owners Master
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    Re: Twin Turbo Kit for V1

    Used Kooks are easy to sell.

  9. #69
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    DMM
    DMM is offline Cadillac Owners Fanatic
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    Re: Twin Turbo Kit for V1

    Quote Originally Posted by philistine View Post
    I would rather hear a turbo spooling and obnoxious BOV. Would the stock exhaust manifold spool faster than long tubes or is that irrelevant?
    Yes, they absolutely will. Headers dissipate heat too quickly which only serves to degrade the performance of a turbo. In this case, flow takes a back seat to thermal efficiency.

  10. #70
    CTS-V_07 is offline Cadillac Owners Member
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    ^ I agree

  11. #71
    runsfromdacops is offline Cadillac Owners Fanatic
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    I completely. Disagree flow is absolutely more important than heat. I have headers on my car and I think it is working out just fine as it is the highest hp V1.

    If u want to make a kit ppl will want the turbos need to go in the engine bay with no electric scavenger pump to fail.

    Thats just my .02

  12. #72
    Jsmitty02z28 is offline Cadillac Owners Member
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    Quote Originally Posted by runsfromdacops View Post
    I completely. Disagree flow is absolutely more important than heat. I have headers on my car and I think it is working out just fine as it is the highest hp V1.

    If u want to make a kit ppl will want the turbos need to go in the engine bay with no electric scavenger pump to fail.

    Thats just my .02
    LS guys make 1300+ RWHP with truck manifolds all day. Turbo headers are over kill.

    Jason


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  13. #73
    253ctsv is offline Cadillac Owners Fanatic
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    Quote Originally Posted by Jsmitty02z28

    LS guys make 1300+ RWHP with truck manifolds all day. Turbo headers are over kill.

    Jason

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    1300hp. but headers are overkill?
    rand49er likes this.

  14. #74
    Jsmitty02z28 is offline Cadillac Owners Member
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    Quote Originally Posted by 253ctsv View Post
    1300hp. but headers are overkill?
    I'm saying manifolds have been proven to make over 1300rwhp. There is no need for headers it's an expense you can do without. If y'all are worried about the headers you e already purchased put them for sale on here and request stock manifolds back. They'll sale within the day guaranteed.

    Jason


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  15. #75
    Jsmitty02z28 is offline Cadillac Owners Member
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    However we are still in the design process if the money is right and the customer is willing to work with us we will build a kit to fit what you have.

    Jason


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