Is a throtle bottle upgrade worth it 2005 CTSV
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2004-2007 Cadillac CTS-V Performance Mods Discussion, Is a throtle bottle upgrade worth it 2005 CTSV in Cadillac CTS-V Series Forum - 2004 - 2007; I am wondering if a Throttle body is worth it. I current have kooks headers/cats, magnaflow, cold air intake, ls7 ...
  1. #1
    Johnson's Avatar
    Johnson is offline Cadillac Owners Member
    Automobile(s): 2005 CTS-V, 2000 Trans AM WS6
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    Is a throtle bottle upgrade worth it 2005 CTSV

    I am wondering if a Throttle body is worth it.

    I current have kooks headers/cats, magnaflow, cold air intake, ls7 clutch, will i see noticeable gains from changing the throttle body? which is the best to replace with?

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  3. #2
    CancerJCC is offline Cadillac Owners Connoisseur
    Automobile(s): 04' Blown CTS-V 554rwhp 497rwtq
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    Re: Is a throtle bottle upgrade worth it 2005 CTSV

    Throttle bottle? Nitrous oxide?

    Can't comment on the TB but others have done it so I'm sure they will chime in.

  4. #3
    kzeliminator is offline Cadillac Owners Member
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    Re: Is a throtle bottle upgrade worth it 2005 CTSV

    your best bet if you want to just do the throttle body, is an ls2 90mm

  5. #4
    Naf's Avatar
    Naf
    Naf is offline Cadillac Owners Connoisseur
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    Re: Is a throtle bottle upgrade worth it 2005 CTSV

    You will have to change the intake manifold, or else you will be stuck only getting the BBK 80mm which is ok, but not really great...

    Next Question is will you be doing cam and heads..If yes then think about the 102mm, if just cam then the 90mm is enough.

    You have to remember the 5.7 can only suck so much air, but if you port it all out, she will go as far as you want it to go...

  6. #5
    PISNUOFF Guest

    Re: Is a throtle bottle upgrade worth it 2005 CTSV

    OP - You want a larger TB?...."you should port your whole engine." (whatever that is). Make sure you shave all the body welds to support the engine porting mod. LOL

  7. #6
    shadybx7's Avatar
    shadybx7 is offline Cadillac Owners Connoisseur
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    Re: Is a throtle bottle upgrade worth it 2005 CTSV

    TBs have mixed reviews.. Some say you need a tune to take advantage of the extra air and make it run reliably.which i agree with.. and then even if you do get it running right its only a 5 BHP mod.. soo basically you changed your acc drive setup.. IMO..it would make a bigger difference down the road with a nice heads and cam setup. since the LS6 intake flows well.. I would just port the stocker and get a tune when i did another real mod like uncatted headers

    there are some old threads on the Janzer ported 78mm:SEARCH:

    :janzer TB service on ebay:

    http://cgi.ebay.com/ebaymotors/CORVE...#ht_2753wt_939

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