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Thread: Rear stabilizer bar 21 mm

  1. #1
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    Default Rear stabilizer bar 21 mm

    In my MGM I have 15 mm rear bar and I would like to upgrade it to 21 mm, but I can't find it on ebay, etc. Is it possible to find it? It can be used ofc. I have possibility to buy 17 mm bar, but I'm afraid that difference between 15 and 17 mm bars will be imperceptible - am I right..? Or maybe the best solution will be buy Addco 650 25 mm ?
    09 Grand Marquis LS - Light Ice Blue, Medium Light Sone interior, Heated seats, 17" rims,

  2. #2
    Road Warrior Kodachrome Wolf's Avatar
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    Normally I'd say check the junkyard, but I doubt finding one with what you want in Poland is happening. The Addco would be your best bet unless one of us shipped one to you, but who knows how much shipping would cost.

    IIRC, some HPP models came with the 21mm bars, but someone correct me if I'm wrong.

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  3. #3
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    The HPP always came with the 21mm bar I believe. I would say Addco bar as well, but you could just wait for one to pop up from an HPP or Marauder instead. The Addco would require you to replace both to avoid being a little too happy to swing on one end or another on the car.
    2010 Mercury Grand Marquis LS “The Douche” - 70mm throttle body, P71 airbox, 21mm rear sway bay, dual exhaust, Dodge rims, 89K and counting. 4/2018-
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  4. #4
    No mean-spiritedness here. IPreferDIY's Avatar
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    Here's a link for what got what:

    http://www.idmsvcs.com/2vmod/suspens...rtnumbers.html

    It looks like all HPP had 21mm while police had 17mm. The following notes at the bottom of that page seem particularly pertinent:

    "Police rear swaybars are 17mm. Police coil springs are very stiff.
    Civilian Handling Package rear swaybars are 21mm but they are coupled with the relatively low rate civilian rear air springs"

    The 21mm bars seem to be easy to get at junk yards in North America for cheap. I got one from a local U-pull yard for ~$15CDN with taxes. The shipping to Poland would probably be the biggest cost. If you're sure a 21mm bar would be worth your while, you can post something in the "Looking to Buy" section. One of the folks who frequent the junk yards could probably hook you up in short order.

    2000 Grand Marquis LS HPP, a hand-me-down in 2008 with 128,000 km; 175,000 km as of July 2014
    mods: air filter box "tuba" (in place of the "trumpet"), headlight relay harness, J-mod (around 186,350 km), 70mm throttle body, NKL4 PCM (from a 2000 CVPI, nothing great there apart from highway cruising), KYB Gas-A-Just shocks (after >202,000 km on originals)

  5. #5
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    Thank You Guys ! Do we know which front bar had Marauder ?
    09 Grand Marquis LS - Light Ice Blue, Medium Light Sone interior, Heated seats, 17" rims,

  6. #6
    No mean-spiritedness here. IPreferDIY's Avatar
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    It looks like the Marauder had a 28mm front bar:

    http://www.idmsvcs.com/2vmod/suspens...rtnumbers.html

    2000 Grand Marquis LS HPP, a hand-me-down in 2008 with 128,000 km; 175,000 km as of July 2014
    mods: air filter box "tuba" (in place of the "trumpet"), headlight relay harness, J-mod (around 186,350 km), 70mm throttle body, NKL4 PCM (from a 2000 CVPI, nothing great there apart from highway cruising), KYB Gas-A-Just shocks (after >202,000 km on originals)

  7. #7
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    Which parts I also need to change with 21 mm bar ? Bushing for sure - what about link and bracket ?
    09 Grand Marquis LS - Light Ice Blue, Medium Light Sone interior, Heated seats, 17" rims,

  8. #8
    No mean-spiritedness here. IPreferDIY's Avatar
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    Yup. Bar, bushings, brackets, and links are the complete setup for rear and front. If you get a used bar, you might as well make sure it comes with the brackets. Both the rear bar and rear brackets can get pretty rusty, so you should give consideration to removing rust and painting them up nice, even if the ones you get don't look bad. New bushings and links can be had for decent prices, so I wouldn't bother with used ones.

    2000 Grand Marquis LS HPP, a hand-me-down in 2008 with 128,000 km; 175,000 km as of July 2014
    mods: air filter box "tuba" (in place of the "trumpet"), headlight relay harness, J-mod (around 186,350 km), 70mm throttle body, NKL4 PCM (from a 2000 CVPI, nothing great there apart from highway cruising), KYB Gas-A-Just shocks (after >202,000 km on originals)

  9. #9
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    But brackets and links are different for 15 and 21 mm bar ? I understand that bushing are different, but the rest ?
    09 Grand Marquis LS - Light Ice Blue, Medium Light Sone interior, Heated seats, 17" rims,

  10. #10
    No mean-spiritedness here. IPreferDIY's Avatar
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    I don't know the variations with absolute certainty, especially for 03+, so hopefully someone else can verify. AFAIK, the rear links are all the same regardless of bar size. The bushings are obviously size-dependent, though I would think the brackets are all the same. If you get the brackets with the bar, you should be fine.

    2000 Grand Marquis LS HPP, a hand-me-down in 2008 with 128,000 km; 175,000 km as of July 2014
    mods: air filter box "tuba" (in place of the "trumpet"), headlight relay harness, J-mod (around 186,350 km), 70mm throttle body, NKL4 PCM (from a 2000 CVPI, nothing great there apart from highway cruising), KYB Gas-A-Just shocks (after >202,000 km on originals)

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