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Thread: SPC Performance dual adjustable Upper Control Arms

  1. #1
    FNG
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    SPC Performance dual adjustable Upper Control Arms

    Thought I would share. On other forums I have been on there seems to be a lot of interest in adjustable upper control arms, but most seem to be single adjustable meaning you need to remove them from the car to make the caster and/or camber adjustment, well SPC Performance offers a dual adjustable and they are reasonably priced. I will be installing a set later on my Challenger. Jeg's has them in stock for $229 a side and they are complete ready to install.

    http://www.spcperformance.com/PROD_D...d2=94450&cmd3=

  2. #2
    Admin Chris's Avatar
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    Interesting idea. Do you have any bigger pics? Has anyone ever run these? The bolted connections have me concerned, too many points of failure.
    -Chris
    69 Charger
    Stroked 5.7, Viper 6 Speed, Handling Bits, Big Brakes

    Motech Performance

  3. #3
    FNG
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    I was concerned about the bolting locations as well, but as was pointed out to me they are grade 8 hardware, and I know they have been track proven as the guy my Dad works for uses these on all of his cobras, and many of them spend countless time on the road course and take quite a beating.

  4. #4
    Mopar Owner and Builder Rolling_Thunder's Avatar
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    Hmmm grade 8 hardware or not... i would be worrying about oblonged holes, snapped bolts, and things like that.... I am a firm believer in murphy's law...

    Track proven on a light cobra doesn't mean much to be when my Charger weighs 4000lbs+... Nice to know someone uses them without problems but I still just worry needlessly about EVERYTHING haha
    1968 Dodge Charger - 6.1L Hemi / 5-speed manual / 3.55:1 Sure Grip

    2013 Dodge Challenger R/T - 5.7L Hemi / 6-speed manual / 3.73:1 Limited Slip

  5. #5
    Senior Member Nate K's Avatar
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    Lots of guys are running that style of arm on GM stuff with no issues.
    Nate Kauffman
    71 Dart- tube chassis, C4 front suspension, custom 3 link, SB, t56, 9in, 17x9, 17x10.5

  6. #6
    Senior Member Old Tired Rebel's Avatar
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    I wonder how well those A Arms would work on my Cordoba?

  7. #7
    Hotchkis Mopar Guy
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    I too would wonder the ruggednes of those pieces. The two saving graces woudl be that the Uppers actually don't carry much load, they're primarily for "placement" and if I we're to run them I'd probably consider them a wear item, and have a spare set on at all times. For hardcore track and Auto cross guys, this level of adjustability on the go would be awesome.

  8. #8
    Admin Chris's Avatar
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    I have a better, simpiler design for adjustable ams, while still installed. I just need time to build them.
    -Chris
    69 Charger
    Stroked 5.7, Viper 6 Speed, Handling Bits, Big Brakes

    Motech Performance

  9. #9
    FNG gmachinedart1's Avatar
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    I looked into spc stuff when I was building my car but nothing was available for mopar at the time ,so I modified a set from firm feel to achieve this type of adjustability.I had to spend much more to make this happen though.Price is right on spc arms.

  10. #10
    FNG
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    Attachment point look like a weak point to me as well. Alot of room for flex at those points. That would change the geometry real quick.

  11. #11
    Senior Member tonyssrt8's Avatar
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    Quote Originally Posted by Chris View Post
    Interesting idea. Do you have any bigger pics? Has anyone ever run these? The bolted connections have me concerned, too many points of failure.
    I agree
    1968 Dodge Charger SRT8X-----SOON
    1970 Dodge Challenger 440+6/727 Auto 8 3/4-Wifes
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  12. #12
    Senior Member MrN2OBelvedere's Avatar
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    The design of these arms look good to me. All of those connections are properly designed, in double shear. This is a good setup. Wish I had seen these before I got my magnum force uca's.

  13. #13
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    GM guys have been using SPC arms for a while without any issues. I wouldn't worry about running them under a mopar.

  14. #14
    Senior Member dangina's Avatar
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    in the pic looks like they're using bushings instead of the heim link

  15. #15
    Member blown71duster's Avatar
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    Bringing back an old thread, but was looking at circle track suspension and found these, look pretty much like the same thing except for a-arm bushing which you can buy seperate.They accept mopar style screw in ball joints.

    http://www.google.com/imgres?q=spc+m...0&tx=128&ty=67

    http://www.daymotorsports.com/produc...ER-CONTROL-ARM
    Last edited by blown71duster; 08-12-2011 at 12:12 PM.

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