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Replacement Upper Control Arms

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  • Replacement Upper Control Arms

    Hey Guys,

    Looking to replace my UCA's to get a bit more lift out of my Dobinsons MRR gear. What are you guys using? I've been looking at the Roadsafe Blackhawk UCA's but open to ideas.

  • #2
    How are you achieving more lift? The open length of the strut remains the same. The shocks limits the down travel, so changing the UCAs won't give you more down travel needed to coincide with more lift.
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    My Rig Build up



    • #3
      I had the wrong springs installed two weeks ago. So they are putting in the correct springs to account for the weight of the bull bar and winch. They had concerns around getting the adjustment right as they were going to run out of adjustment with the recommend springs. Which is why I'm looking at replacing the UCA's.


      • #4

        I'm guessing you are referring to running out of caster adjustment at too high a lift on the replacement coils you're planning on using?

        At a standard 2" lift on the front end, you can still milk 2deg caster out of the OEM arms on a 150 Prado, and they still drive ok with that amount of caster.

        Regarding the Blackhawks, I'd hold off until they release their extended ball joint, which is still in production.


        2006 GXL petrol auto. ARB deluxe bar x3 HID IPF's, ARB alloy roofrack, ARB awning, BFG A/T, Safari snorkel, Piranha breathers, Pacemaker extractors, custom Ironman 45710FE 436-569mm with Dobinsons 350, custom Ironman 45682FE 383-618mm with Dobinsons 487, Firestone kevlar 60psi airbags, 30mm extended Roadsafe links, AMTS bashplate and recovery points, ABR Flyer with Powersonic AGM.


        • #5
          Thanks mate.

          I have until Thursday. Is there something else that you would recommend? How about the SPC arms?


          • #6


            • #7
              I recommend the Fulcrum UCA. Well made and strong.
              My 150 build -


              • #8
                Is hard to replace the upper control arms? I done the replacement on my fj myself but my 2018 prado looks like it has very limited room.


                • #9
                  Originally posted by Mike-B View Post
                  Is hard to replace the upper control arms? I done the replacement on my fj myself but my 2018 prado looks like it has very limited room.
                  About 2hrs according to superior, depending on what’s in the way in the engine bay, so not a big job.


                  • #10
                    Think I’ll take a punt on the Blackhawk UCAs.
                    I prefer the one piece design with geometry change built in, rather than relying on a sliding ball joint which can slip, or a screw in bush, which just doesn’t seem as strong to me.
                    also they use rubber bushes rather than poly, which may sacrifice some performance but gain massively in noise reduction, and maintenance. And possibly longevity too.

                    and an extra $250 in my pocket isn’t to be sneezed at either..


                    • #11
                      Ordered the Blackhawk arms tonight..
                      Will report back when I've received and fitted them..


                      • #12
                        UCAs are here.

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                        Hopefully get time on the weekend to fit them...


                        • #13
                          So, what the verdict - are you happy with the Blackhawk UCA?
                          Is the twitchy steering sorted?



                          • #14
                            Unfortunately haven’t fitted them yet. Have some new front springs coming (to sort out my 830mm ride height) and so waiting for them to arrive to do them at the same time.