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Selecting a mild lift (TRD Baja TX Pro + Icon AAL)

Discussion in '2nd Gen. Tacomas (2005-2015)' started by crashnburn80, Aug 3, 2015.

  1. Nov 25, 2018 at 8:15 PM
    #281
    TacoCruiser

    TacoCruiser Starting over

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    Thank you for that. I've been contemplating 17s for a while now for the tire options. You are dead on. Thanks for sharing. I really appreciate it.
     
    crashnburn80 [OP] likes this.
  2. Nov 25, 2018 at 8:37 PM
    #282
    crashnburn80

    crashnburn80 [OP] Vehicle Design Engineer

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    One final suggestion, check out the OEM TRD SEMA 4Runner Pro 17” wheels. They have increased offset to push a 265/255 tire out to right at the edge of the fender. They are the lightest OEM 17” wheel at 25lbs, which helps power/mpg/braking. They are affordably priced and available in black/grey/silver. Only drawback is they are 7” wide, I personally prefer 7.5. They’d be perfect for 255s, but below spec for 285s, which specify a min 7.5” wide wheel.
     
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  3. Dec 8, 2018 at 6:47 PM
    #283
    crashnburn80

    crashnburn80 [OP] Vehicle Design Engineer

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    So my 255/75R17 KO2s rub my low profile Rokblokz flaps, while my 265/70R17 KO2s cleared. The new tires are 0.5” taller and 10mm narrower. Meaning the radius difference is only 0.25”.

    I adjusted my SPC UCAs last night by rotating the cam one notch forward to move the wheel slightly forward in the wheel well. Rubbing problem now solved.

    It occurred to me this adjustable slot is required with the rotatable cam for positioning in the wheel well, as depending on the cam position the camber correction will be different.

    Had I bought a fixed UCA I would be stuck with rubbing. Thanks to my adjustable SPC UCA I can custom position the wheel to solve the rubbing issue.
     
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  4. Dec 9, 2018 at 5:19 AM
    #284
    Ted Steel

    Ted Steel Well-Known Member

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    That's pretty awesome.

    Did you have to re-align it? Or is that small movement inconsequential enough that you don't need to worry about toe?
     
  5. Dec 9, 2018 at 10:55 AM
    #285
    crashnburn80

    crashnburn80 [OP] Vehicle Design Engineer

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    You have to take off the top nut to adjust the cam position, which means the camber is unset. I tried putting it back where it was prior to adjusting, but that is of course no longer the correct setting. It needs to be realigned. Driving post adjustment I can tell the alignment is slightly off, I was planning on having it realigned anyway.
     
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  6. Dec 9, 2018 at 1:10 PM
    #286
    Ted Steel

    Ted Steel Well-Known Member

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    Got it, ok cool. I wasn't sure if it moved in such a way that it didn't affect toe. Thanks!
     
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  7. Feb 27, 2019 at 10:00 AM
    #287
    Nateclimb

    Nateclimb Well-Known Member

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    Just wondering if enough time has lapsed that you can give a review of the new changes?

    Cheers.
     
    crashnburn80 [OP] likes this.
  8. Feb 27, 2019 at 9:25 PM
    #288
    crashnburn80

    crashnburn80 [OP] Vehicle Design Engineer

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    A few of my thoughts:
    -Using the SPC UCAs set one notch forward clears most all daily driving rubbing, but under more extreme articulation still rubs my low profile Rokblokz flaps. Going to adjust UCA one more setting forward.
    -Top plate spacers are not ideal, they get the job done in my case but I’d prefer a longer shock/coil option.
    -I should add my stock bump stocks back and the bump stop spacer on the driver side to counter the top plate spacers to prevent bottoming out rather than the low profile Baja bumps.
    -Adding the overload to the rear made it a little stiffer but not at all bad. Nothing like the stiffness of a single AAL. And it restores load capacity. I actually like it.
    -No noticeable driveline vibrations.
    -Was unsure about going to a 255 tire, but looks great and don’t even notice the width difference.
    -Driving steering feel is a bit less dialed in than the stock TRD Baja setup on stock UCAs.
    -Handling and performance is still good, didn’t notice any difference in the tire change and the truck looks great.

    Overall I like it. However the few
    compromises and expenses for that additional 3/4” of clearance may seem past the tipping point of best value.
     
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  9. Feb 28, 2019 at 10:20 AM
    #289
    MancoFett

    MancoFett Active Member

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    OP, FANTASTIC thread. Thank you for this write up - it led me down the path to finally finding the right suspension upgrade that makes sense for my lifestyle (daily driver + weekend warrioring)

    Anybody had experience on the Baja/Pro suspension with an Access Cab?

    I am getting the Pro kit + Icon Progressive installed tomorrow on my 2007 OR AC, and I just cant decide whether I should keep the overload.

    My assumption is I may see more than 1.75" front lift post-settle with the lighter front weight and I want to keep rake for reasons of practicality. Leaning towards keeping the overload to keep near-factory rake - Thoughts?
     
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  10. Feb 28, 2019 at 10:37 AM
    #290
    TacoCruiser

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    You can accomplish the rake you want with a progressive AAL and/or keeping the OL in place if the pack hasn't failed yet. I had 1.75" lift up front with the Baja suspension and I was able to lift the rear back up with an AAL and no OL. Here's some before and after shots...

    IMG_0233.jpg
    07A43D7B-B1F3-497D-984B-461F49DD37B3.jpg

    I know the second picture shows my ARB on there, but the AAL still raised the rear a little more than the front. ~3/4" before the bumper.
     
    Last edited: Feb 28, 2019
  11. Feb 28, 2019 at 10:45 AM
    #291
    MancoFett

    MancoFett Active Member

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    Looks very nice! But you're a DCSB so my concern is that I may see larger lift in the front on my Access Cab
     
  12. Feb 28, 2019 at 10:58 AM
    #292
    crashnburn80

    crashnburn80 [OP] Vehicle Design Engineer

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    Are you one original leafs? Are they 2+1 or 3+1? If they are original, going on 12 years old, I would definitely leave the overloads in, you are probably presently sagging in the rear. Ideally you may look for some local low cost late model leaf take offs of the 3+1 variety. Then you might leave the overload out. If you leave it out and decide to put it in later, you only need a new set of $10 leaf pins. If you leave it in, and then decide to take it out you can just cut down the pins and will not require purchasing any new parts, you are just out the install time.
     
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  13. Feb 28, 2019 at 11:03 AM
    #293
    MancoFett

    MancoFett Active Member

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    Should have mentioned - I'm on the TSB 3+1. They were installed ~45K miles ago, but because by bed is usually empty, they are not sagging yet.
     
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  14. Feb 28, 2019 at 11:16 AM
    #294
    MancoFett

    MancoFett Active Member

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    Thanks @crashnburn80 Sounds like leaving the OL in is the best option for me to not risk losing most/all rake. I am expecting 2" front lift being an AC 4x4.
     
  15. Feb 28, 2019 at 6:34 PM
    #295
    crashnburn80

    crashnburn80 [OP] Vehicle Design Engineer

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    AC cab shouldn't make a big difference, if you look at the attached spec sheet for the 2015 the difference between AC and DCSB is 80lbs.
     

    Attached Files:

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  16. Feb 28, 2019 at 8:53 PM
    #296
    MancoFett

    MancoFett Active Member

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    Awesome, thanks for the data!
     
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  17. Feb 28, 2019 at 8:59 PM
    #297
    MancoFett

    MancoFett Active Member

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    BTW, how has the ride been with the ARB bumper on the Baja springs? Looks great on your truck.
     
  18. Feb 28, 2019 at 9:13 PM
    #298
    TacoCruiser

    TacoCruiser Starting over

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    It's been just fine. As you could imagine, a bit softer, but the Baja suspension has 650 lb springs. Alot of people upgrade to 650 lb springs with Icon or others. The difference is the Baja suspension is digressive as opposed to progressive. It's still a nice ride. If you add a winch, you may want to upgrade to 700 or 750 lb springs up front.
     
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  19. Mar 1, 2019 at 4:42 AM
    #299
    SR-71A

    SR-71A Define "Well-Known Member"

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    Mobtown sliders, ARB bar, Icon RXT leafs, extended & adjustable Kings, JBA UCAs, Tepui Ayer 2, dual batteries, Gen2 xrc9.5 winch, CB, GMRS, S1 ditch lights...
    I put an ARB w/ a smittybilt XRC 9.5k winch on my truck last year. Stock 2012 Baja suspension. Honestly the ride hasn't been effected that much. Unless you run a really heavy setup, I think 700lbs springs are probably overkill.

    One side note being, I wasnt aware of the digressive vs progressive difference until reading this thread, so Im sure that would have a big effect on how everything handles
     
  20. Mar 1, 2019 at 5:24 AM
    #300
    crashnburn80

    crashnburn80 [OP] Vehicle Design Engineer

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    Have you checked your front bump stop contact points after going off road? If they are pretty clean it means they are making regular contact. Being able to control the weight onroad is much easier than over uneven terrain off road where the front end can get a lot more up/down motion.
     

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