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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Swaybar diameters (front & rear) for base models and Sport models? in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Originally Posted by andrewschenk just remember, sways wont stop you from going inverted hey now .. haha...
  1. #16
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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Quote Originally Posted by andrewschenk View Post
    just remember, sways wont stop you from going inverted
    hey now .. haha

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Quote Originally Posted by AAIIIC View Post
    I was looking at various swaybar options for the CTS-V and was compiling a nice little table listing all that I could find. I've got the stock V bars, Hotchkis, Addco, Eibach, and GMPP. Then I figured I would add in the CTS bars, too, just to make the table complete. I have to figure the information is here somewhere, but my searches have come up with hundreds of threads and no useful information. (Thanks, horribly unproductive Search function! )

    I think that there were 2 different swaybar sets available on the CTS - the standard bars and the Sport bars. But I don't know if the Sport bars were just the CTS-V bars or what.

    So, does anyone have the diameters of the front and rear swaybars, or can someone point me to a thread with the information? Thanks!
    sorry i cant help with your info, cause i already swapped my sway's for "V" sways a long time ago, but this is a very interesting thread, please keep us informed

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    For the list:

    FE1 (STD suspension): 23mm diameter front hollow 18mm diameter rear hollow

    FE3 (Sport Suspension): 23mm diameter front hollow ? rear

    Divide mm by 25.4 for inch equivalents.

    BTW, as far as I can tell, the V sways are also hollow steel, not solid. Pretty damn light for the diameter, unless they are solid aluminum.

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Interesting that the stock bars are hollow. That's good to know. I haven't had either of mine off the car, so I haven't had the opportunity to feel the lightness.

    Also interesting that you said 18mm for the rear bar, but 1946415cd came up with ~15mm. If he had measured something in the 17-19mm range, I would just chalk it up to human error (like the fronts - 22.3 vs 23mm is close enough), but a 3mm difference is hard to explain.

  5. #20
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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    3mm error= tape measure lol

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Well, I assumed since he gave dimensions to a decimal point that he was using a vernier caliper, which is how I would measure them. I could be wrong, though.
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Quote Originally Posted by AAIIIC View Post
    Well, I assumed since he gave dimensions to a decimal point that he was using a vernier caliper, which is how I would measure them. I could be wrong, though.
    Yes, I used a digital vernier caliper, but the battery was dead. Read the size off the rule on the body of the caliper. I just rechecked the rear and I'm going to go with .625" or just under 16mm. No way is it 18mm.

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Quote Originally Posted by 1946415cd View Post
    Yes, I used a digital vernier caliper, but the battery was dead. Read the size off the rule on the body of the caliper. I just rechecked the rear and I'm going to go with .625" or just under 16mm. No way is it 18mm.
    Sounds like you are correct on the rear. I may have mistaken the rear diameter, as I pulled off my base sways and replaced with V's 6 months ago. They are were in my brother's scap metal barrel last I knew. When I have time I'll check, but indeed it may have been 16mm nominal diameter.

    Sorry for posting the misinfo. My father has been in emergency care for the past week, and I have been coming to this forum for a momentary diversion. Please understand that my intent was for the best and trying to help as I can. Thanks to all for questioning the info and trying to get it correct.

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Quote Originally Posted by CTSjones View Post
    Sounds like you are correct on the rear. I may have mistaken the rear diameter, as I pulled off my base sways and replaced with V's 6 months ago. They are were in my brother's scap metal barrel last I knew. When I have time I'll check, but indeed it may have been 16mm nominal diameter.

    Sorry for posting the misinfo. My father has been in emergency care for the past week, and I have been coming to this forum for a momentary diversion. Please understand that my intent was for the best and trying to help as I can. Thanks to all for questioning the info and trying to get it correct.
    No problem, its all good. Hope all will be well with Dad.

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Quote Originally Posted by CTSjones View Post
    Sorry for posting the misinfo. My father has been in emergency care for the past week, and I have been coming to this forum for a momentary diversion. Please understand that my intent was for the best and trying to help as I can.
    No worries at all, man. Hope your Dad gets better.

    On Tuesday I'll be dropping the V off for headers, clutch & flywheel. I'll try to remember to bring my vernier caliper with me and see if there are any CTSs up on the lifts at the dealer for me to sample from.

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    I borrowed the tech's vernier caliper and checked a CTS on the lift next to my car. I came up with 23mm up front and 16mm in the rear. Not sure if it was a base model or a Sport package, as it had aftermarket wheels and I'm not really sure how else to distinguish between the two.

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    When I was at Lindsay last week there was a CTS Sport up on the lift and I had the tech check the swaybars for me. Front appeared to be the same 23mm, on the rear he got 17mm. So, looks like the Sport rear is (maybe?) a little bigger than the base CTS. Probably not enough to be worth "upgrading" to, though.

    Here's my final version of the table:

    . . . . . . . . . . . . . . . . . Diam. (in). . . Diam.(mm) . . . Construction . . Comments
    Hotchkis CTS-V front . .. 1-1/4 . . . . .. 31.75 . . . . . . . tubular .. . . . . Sold as front/rear kit (2280)
    Hotchkis CTS-V rear . . . 1 . . . . . . .. . 25.40 . . . . . . . ?


    Hotchkis CTS front . . . . 1-3/16 . . . . . 30.16 . . . . . . . tubular .. . . . . Sold as front/rear kit (2279)
    Hotchkis CTS rear . .. . . 13/16 . . . .. . 20.64 . . . . . . . ?


    Addco CTS-V front . . .. 1-3/8 . . . . . . 33.66 . . . . . . . solid . . . . . . . 2290
    Addco CTS-V rear . . . . 1 . . . . . . . . . 25.40 . . . . . . . solid . . . . . . . 2289


    Addco CTS front . . . . . 1-1/8 . . . . . . 28.58 . . . . . . . solid . . . . . . . 2200
    Addco CTS rear . . . .. . 7/8 . . . . . .. . 22.23 . . . . . . . solid . . . . . . . 2201


    Eibach front . . . . . . . . 1.10 . . . . .. . 28.00 . . . . . . . tubular . . . . . Sold as front/rear kit (3878.320) or individually (3878.310 front, 3878.312 rear)
    Eibach rear . . . .. . . . . 0.87 . . . . .. . 22.00 . . . . . . . tubular


    GMPP front . . . . . . . . . 1.38 . . . . .. . 35.00 . . . . . . . hollow . . . . . . No longer available
    GMPP rear . . . .. . . . . . 0.94 . . . . .. . 24.00 . . . . . . . solid


    Stock CTS-V front . . . . 1.04 . . . . .. . 26.50 . . . . . . . tubular (?)
    Stock CTS-V rear . . .. . 0.83 . . . . .. . 21.00 . . . . . . . solid (?)


    Base CTS front . . . . . . 0.91 . . . . .. . 23.00 . . . . . . . tubular (?)
    Base CTS rear . . . .. . . 0.63 . . . . .. . 16.00 . . . . . . . (?)


    Sport CTS front . . .. . . 0.91 . . . . .. . 23.00 . . . . . . . tubular (?)
    Sport CTS rear . . . . . . 0.63 . . . . .. . 16.00 . . . . . . . (?)
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  13. #28
    concorso is offline Cadillac Owners Master
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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Are both GMPP swaybars discontinued, or just the fronts?

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    Sorry, my primitive table doesn't make that very clear. The GMPP swaybars only came as a front/rear kit, with adjustable endlinks as well, and aren't available anymore. Luke @ Lindsay had like 15 sets of them a while back and cleared them all out.

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    Re: Swaybar diameters (front & rear) for base models and Sport models?

    What is the reputation of the Addco's? Good quality?

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