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Thread: Adjustment sleeves for power steering

  1. #1
    mcwho's Avatar
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    Adjustment sleeves for power steering

    Just want to make sure I have all the bases covered for my upcoming alignment. For Camber adjustment on a MKIV with a power rack I somehow believed I needed longer adjustment sleeves. Looking at it again, looks like I had it reversed and looks like I actually need shorter adjustment sleeves, which will pull the top of the wheel inward.

    The ones I bought are 5".
    Baghdad Bob

    Complete Kit Delivered July 2010, serial @ 7287, Whitby Power Brakes, Whitby Tonneau, Power Steering w HEIDTS PS Valve, Hydralic clutch, 15" Wheels, BFG Tires, 331 stroker w Quick Fuel 650, RPM Heads, Air Gap Intake. IRS w 3.27, TKO-600. FFMETAL Firewall Forward, FFMETAL Dropped Battery Box in Trunk, Enlarged Passenger footbox, Breeze Cubby storage, Breeze Seat Brackets, Herbs Door Panels. Ford ruby red 12 coats.

  2. #2
    Senior Member edwardb's Avatar
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    Depends on the vintage of the UCA's that came with your kit. For a long time, it took a longer adjustment sleeve (5" vs. the 4" ones supplied) to get the amount of caster that's recommended for PS setups without running out of threads on the front adjuster. This was the case with my Mk4 #7750. So I'm willing to bet that's what you'll need for yours as well. Camber is the same for either manual or power, but the two interact to some degree. Until both are close to spec it may not be obvious what needs to change.

    Newer kits have a similar looking UCA but they are definitely different. Some are able to get the PS recommended caster without any changes. Some have needed to trim 1/4" or so off the rear adjuster. My #8674 build had those UCA's, and I just made the PS caster setup without any changes. But the rear adjusters are pretty much all the way in. Any more and I would also have been trimming.

    Hopefully I got all that right, based on my memory and build records... It can get a little confusing.
    Last edited by edwardb; 04-28-2017 at 06:48 AM.
    Build 1: Mk3 Roadster #5125. Sold 11/08/2014. Build 2: Mk4 Roadster #7750. Sold 04/10/2017. Build Thread
    Build 3: Mk4 Roadster 20th Anniversary #8674. Sold 09/07/2020. Build Thread and Video. Build 4: Gen 3 Type 65 Coupe #59. Gen 3 Coyote. Legal 03/04/2020. Build Thread and Video
    Build 5: 35 Hot Rod Truck #138. LS3 and 4L65E auto. Rcvd 01/05/2021. Legal 04/20/2023. Build Thread. Sold 11/9/2023.

  3. #3
    Senior Member CraigS's Avatar
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    As EdwardB says, some times the rear sleeves need to be shorter. What I have done on one MkIV was trade off a little negative camber to get a bit more caster. If the rear sleeve is as short as it will go, lengthening the front sleeve increases + caster but also moves camber toward positive. We ended up w/ approx 6.5 caster but just 1/4 deg - camber. Also be aware that, because of slight production variation left to right, you may end up w/ say 6.5 on one side but can only get 6.0 on the other. At that point you make both 6.0. BTW also be aware that, if you can't get as much caster as you might want, you can back off on the PS pump pressure to get a similar steering feel. Not exactly the same but close.
    Last edited by CraigS; 04-28-2017 at 07:08 AM.
    FFR MkII, 408W, Tremec TKO 500, 2015 IRS, DA QA1s, Forte front bar, APE hardtop.

  4. #4
    Not a waxer Jeff Kleiner's Avatar
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    Craig and Paul are correct; different needs depending on which vintage UCA you have.

    Bob, based on your delivery date and FFR number you'll end up needing the longer sleeves in the front leg of the upper arms.

    Jeff

  5. #5
    slpro1207's Avatar
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    May be a silly question, but where can I purchase 5" adjustment sleeves?
    MK4 delivered 2/24/2017. Complete kit #9023,IRS, Power Steering, Leather, heater, 17" wheels, sway bar ft & rr, tremec 600 and Gordon Levy Racing SBF 427. First start and go kart 8/19/2017. Graduated 1/15/2018
    MK4 #9230 complete kit delivered 1/27/2018. IRS, PS, leather, Tremic 600, SBF 427. Graduation 10/15/2018
    MK3 #5253 donor bought unfinished. SBF 331, T5 Trans.

  6. #6
    mcwho's Avatar
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    Great, I think I installed a pair of 5" on the fronts of the upper control arm, and I have the 4" as spares tat FFR supplied.

    I think I'll be ok w those.
    Baghdad Bob

    Complete Kit Delivered July 2010, serial @ 7287, Whitby Power Brakes, Whitby Tonneau, Power Steering w HEIDTS PS Valve, Hydralic clutch, 15" Wheels, BFG Tires, 331 stroker w Quick Fuel 650, RPM Heads, Air Gap Intake. IRS w 3.27, TKO-600. FFMETAL Firewall Forward, FFMETAL Dropped Battery Box in Trunk, Enlarged Passenger footbox, Breeze Cubby storage, Breeze Seat Brackets, Herbs Door Panels. Ford ruby red 12 coats.

  7. #7
    mcwho's Avatar
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    Front suspension2.JPG

    I thought I bought the 5" sleeves at speedway but cannot find them on the site now, perhaps speedway calls them something different.

    Summit also has them.

    Attached is a pic of my front setup now!
    Last edited by mcwho; 04-28-2017 at 10:41 AM.
    Baghdad Bob

    Complete Kit Delivered July 2010, serial @ 7287, Whitby Power Brakes, Whitby Tonneau, Power Steering w HEIDTS PS Valve, Hydralic clutch, 15" Wheels, BFG Tires, 331 stroker w Quick Fuel 650, RPM Heads, Air Gap Intake. IRS w 3.27, TKO-600. FFMETAL Firewall Forward, FFMETAL Dropped Battery Box in Trunk, Enlarged Passenger footbox, Breeze Cubby storage, Breeze Seat Brackets, Herbs Door Panels. Ford ruby red 12 coats.

  8. #8
    Senior Member edwardb's Avatar
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    Quote Originally Posted by slpro1207 View Post
    May be a silly question, but where can I purchase 5" adjustment sleeves?
    These are what I bought for #7750:

    AFCO Racing 36174 Steering Linkage, Swaged Tube, Steel, Zinc Plated, 7/8 in. Diameter, 4 in. Length, 5/8 in.-18 RH/LH Threads,

    AFCO Racing 36175 Steering Linkage, Swaged Tube, Steel, Zinc Plated, 7/8 in. Diameter, 5 in. Length, 5/8 in.-18 RH/LH Threads

    Both Speedway and Summit carry them. Likely others. I started with the necessary 5 inch ones for power steering. But then when I took the UCA's apart, the remaining 4 inch ones were cross-threaded and all messed up. So replaced them with the superior (IMO) AFCO steel ones. Plus then they matched, which is important to OCD types like me.
    Build 1: Mk3 Roadster #5125. Sold 11/08/2014. Build 2: Mk4 Roadster #7750. Sold 04/10/2017. Build Thread
    Build 3: Mk4 Roadster 20th Anniversary #8674. Sold 09/07/2020. Build Thread and Video. Build 4: Gen 3 Type 65 Coupe #59. Gen 3 Coyote. Legal 03/04/2020. Build Thread and Video
    Build 5: 35 Hot Rod Truck #138. LS3 and 4L65E auto. Rcvd 01/05/2021. Legal 04/20/2023. Build Thread. Sold 11/9/2023.

  9. #9
    Not a waxer Jeff Kleiner's Avatar
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    Speedway info:

    http://www.speedwaymotors.com/Alumin...Inch,2087.html
    For a 5" sleeve you want part # 910-34158-5

    Note that these are for the earlier silver & black Mk4 upper control arms.

    Jeff

  10. #10
    Senior Member edwardb's Avatar
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    Quote Originally Posted by Jeff Kleiner View Post
    Speedway info:

    http://www.speedwaymotors.com/Alumin...Inch,2087.html
    For a 5" sleeve you want part # 910-34158-5

    Note that these are for the earlier silver & black Mk4 upper control arms.

    Jeff
    Those will work too. Same 5/8-18 threads as the AFCO Racing ones I mentioned. One steel, the other aluminum. Pick your flavor. Also only for the earlier arms Jeff mentioned.
    Build 1: Mk3 Roadster #5125. Sold 11/08/2014. Build 2: Mk4 Roadster #7750. Sold 04/10/2017. Build Thread
    Build 3: Mk4 Roadster 20th Anniversary #8674. Sold 09/07/2020. Build Thread and Video. Build 4: Gen 3 Type 65 Coupe #59. Gen 3 Coyote. Legal 03/04/2020. Build Thread and Video
    Build 5: 35 Hot Rod Truck #138. LS3 and 4L65E auto. Rcvd 01/05/2021. Legal 04/20/2023. Build Thread. Sold 11/9/2023.

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