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2018 4runner suspension upgrade

Discussion in '5th Gen 4Runners (2010+)' started by mtnmom3, Oct 13, 2020.

  1. Oct 13, 2020 at 8:18 PM
    #1
    mtnmom3

    mtnmom3 [OP] New Member

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    Hi! I have a 2018 factory 4runner SR5 4wd that I am looking to make a few upgrades to. I live in Colorado and we drive both high speed highway (speed limits are 75) and off road. I don't like the suspension- things like the body roll, brake diving, back swing etc. that you notice (especially in the back seat). I have been reading up on the Bilstein 5100 shocks that can improve these issues (an can add lift if wanted). I will also increase tire size, I'm still on factory tires. Anyone make any suspension modifications that improved the handling and drive on the 4runner? Wheel upgrades that you love? Tires you love?
     
    toy33 likes this.
  2. Oct 13, 2020 at 8:31 PM
    #2
    SlvrSlug

    SlvrSlug New Member

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    First off, welcome to the forum, and as far as lifts go there are so many it kind of overwhelms you. I would suggest taking a little time reading some of the builds to get up to speed. Also nothing bad to say about the 5100’s.
     
  3. Oct 13, 2020 at 8:33 PM
    #3
    Antman

    Antman New Member

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    King Coilovers King rear shocks Spc UCA Spc rear Trail arms Icon 52700 rear springs Icon panhard bar SCS F5’s
    Everything depends on your budget.
     
  4. Oct 13, 2020 at 8:48 PM
    #4
    Joekader

    Joekader New Member

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    Trunk ride is very subjective what I like is the way my tokiko shocks rode on NYC shitty streets but I was getting seasick on the red lights every 3rd block every time I had to stop so my BP51 were a great compromise because they were adjustable and I got them for a steal maybe look into getting a second hand set of the pro fox or bilstein setup
    J
     
  5. Oct 13, 2020 at 9:19 PM
    #5
    Agent_Outside

    Agent_Outside New Member

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    Edited to appease the children:

    Where in Colorado are you located? If you’re local and he’s interested in seeing what the ride is like with Kings. I’d be happy to take your husband for a ride while you wait quietly in the kitchen and make us sandwiches.
     
    Last edited: Oct 14, 2020
  6. Oct 13, 2020 at 9:53 PM
    #6
    Antman

    Antman New Member

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    King Coilovers King rear shocks Spc UCA Spc rear Trail arms Icon 52700 rear springs Icon panhard bar SCS F5’s
    bruhhhhhhh :anonymous:
     
  7. Oct 13, 2020 at 10:02 PM
    #7
    goicuon19

    goicuon19 New Member

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    Eibach Lift Kit 2.75in front / 1in rear JBA Off Road UCA K&N Cold Air Intake TRD Exhaust Alpharex Luxx Series Alpha Black Morimoto XB Fog Lights LED Interior Swap Predator Tube Steps Black Sequential Side Mirror Turn Signal Black Rhino Sidewinder Wheels 275/70/17. BFG KO2

    Lol. I can see how you arrived at this conclusion.
     
    Antman likes this.
  8. Oct 13, 2020 at 10:05 PM
    #8
    goicuon19

    goicuon19 New Member

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    I have the Eibach Pro Lift Kit 2.75 front lift and 1in rear lift. They have been great the springs Eibach includes in their kit are great. I had the Bilstein 5100 on my 2017 and can say that the Eibach gives a better ride and definitely eliminates a lot of the nose dive.
     
  9. Oct 13, 2020 at 10:06 PM
    #9
    goicuon19

    goicuon19 New Member

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    antman is right. What does your budget look like?
     
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  10. Oct 14, 2020 at 3:51 AM
    #10
    Agent_Outside

    Agent_Outside New Member

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    What’s the problem? What, she’s a female so you want it to be weird? Sorry for not treating someone local differently based on being a girl. I met up with up with a few random local Colorado 4Runner people and got rides when I was trying to pick a suspension and it was hugely helpful. Would it make you feel better if I said my wife and/or I could take her for a ride lol?
     
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  11. Oct 14, 2020 at 5:43 AM
    #11
    Antman

    Antman New Member

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    King Coilovers King rear shocks Spc UCA Spc rear Trail arms Icon 52700 rear springs Icon panhard bar SCS F5’s
    A5360AF2-BF53-4BEB-99E0-D1E9584123C3.jpg
     
  12. Oct 14, 2020 at 6:06 AM
    #12
    Oldtoyotaguy

    Oldtoyotaguy Not a new member

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    Bilstein 5100s are the basic, low budget approach outside of spacers. It will definitely make things more stiff. But if you’re interested in really upgrading your suspension, you’ll need to go with some higher end alternatives that have bigger shocks, 2.5, and are made by companies with some engineering and design capability behind them.
    You mention high speed driving, and its easy to compromise that with off road mods.
    Agent_Outside’s offer would be a good one, because he’s got a high end system on his 4 Runner, and knows a lot about Toyota’s.
     
    Last edited: Oct 14, 2020
    mtnmom3 [OP] likes this.
  13. Oct 14, 2020 at 6:07 AM
    #13
    Agent_Outside

    Agent_Outside New Member

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    I guess moving forward I’ll need to start qualify that I’m happily married with a family before attempting to treat a female like they’re a real person.
     
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  14. Oct 14, 2020 at 6:25 AM
    #14
    Antman

    Antman New Member

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    King Coilovers King rear shocks Spc UCA Spc rear Trail arms Icon 52700 rear springs Icon panhard bar SCS F5’s
    :anonymous: I was giving you a hard time. Lol
     
  15. Oct 14, 2020 at 6:46 AM
    #15
    mtnmom3

    mtnmom3 [OP] New Member

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  16. Oct 14, 2020 at 6:55 AM
    #16
    mtnmom3

    mtnmom3 [OP] New Member

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    We are in Castle Rock. Don’t worry, I’m not offended. My husband asked me to help him do some of this research since we are a team. We had a 5speed manual 1998 limited 4Runner that we lost (some high teenager came flying out of an apartment complex at like 35 mph and t-boned it, rolled it). We never had to upgrade suspension on that toyota and we drove Moab trails all the time. I feel like the 5th gen is just too soft. So we are either going to sell it or do upgrades to the suspension to make it enjoyable to drive. Budget: I don’t really have one yet, except to say I don’t off road as a hobby but we do to get to climbing and biking destinations. So I do t need a killer system, i would like suspension improved, new wheels and new tires. Thanks for everyone’s feedback.
     
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  17. Oct 14, 2020 at 6:56 AM
    #17
    nimby

    nimby in the drink

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    Eibach Adj Shocks; 285/70/R17
    Bilstein 5100 or Eibach adjustable shocks sound good for your situation. They are durable and capable in a wide range of conditions.

    They will ride nice on and offroad while reducing body roll and the nose dive while breaking.

    Unless you're doing very technical trails or high speed desert racing, you don't need the high end shocks.
     
    SlvrSlug, A&P and mtnmom3 [OP] like this.
  18. Oct 14, 2020 at 7:03 AM
    #18
    Ironguy

    Ironguy New Member

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    Welcome from Arizona
     
  19. Oct 14, 2020 at 12:14 PM
    #19
    Snickel Fritz

    Snickel Fritz This member likes turtles.

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    FN Konig Six Shooters+Cooper AT3 4S 255/75/17 Artec Full Aluminum Skidplates Kenwood DNX996XR RAV4 heated blind spot mirrors OEM Blackout Edition LED fogs Buncha sheepskin stuff Not installed... yet: Artec Sliders Hefty Fab Hybrid front bumper Thinkware U1000 DC (benched) Renogy DCC50S (benched)
    While I can appreciate that the other guys were just joking, as someone who has always tried to treat females like humans I thank you.

    And seriously guys, can we stop pointing out the gender of our members so much? I don't care who joins, as long as they're not worse than the majority of us... but now that bar is going lower, and this site is turning into t-world and t4r (and a little too much like trail4r for my liking as well).
    If you wouldn't walk into a funeral laughing, why would it be okay to point at someone who sniffles, and yell "Hey, are you laughing, bruh?!" during a funeral? May not be as serious or sacred as a funeral, but it still makes it fucking impossible for females (or minorities and other people that so many comments on here would rightfully piss off) to have one, JUST ONE forum, one place, where they can enjoy their expensive investment (which they probably worked hard for), like all of us penised-people.

    Can we do that, and maybe also stop with all the dog whistles as well? I'm tired of the Andrew Dice Clay, Archie Bunker, Al Bundy horseshit and I'm sure a lot of potential members are, too.
     
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  20. Oct 14, 2020 at 12:49 PM
    #20
    Snickel Fritz

    Snickel Fritz This member likes turtles.

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    As per OP's question;

    I would suggest what many of the more "cautious, careful, sensible" old timers have gone with as far as the wheels- FN Wheels. They make very nice products that are beautiful, but not flashy, with several choices for finish on most wheels. They're all very well made. I don't know about all of the other wheels they sell but the Six Shooters that I have are flow formed alloy, which is a superior manufacturing process to typical casting methods... or so the experts say. Seems legit, because mine have been amazing since I bought them, and they weigh 21 lbs. while pushing my tires out to the perfect (imo) stance, with no rubbing or fitment issues. They're also the correct hub bore diameter, which is a HUGE deal to some of us, because after a while we get curmudgeonly and tired of all the adapters, extra failure points, things to remember etc...

    Suspension- I haven't installed mine yet, so I'm not allowed to recommend... but I purchased an Eibach setup piecemeal, after a LOT of reading and a few conversations with vendors, users etc.
    I wanted something that was adjustable in the front and rear, without compromising the maintenance-free-longevity aspect that we get from stock struts and coils. I also wanted something that would handle a but of extra weight or just be a little stiffer without it, and not be so tall as to require new UCAs or stress the CVs much. Reducing body roll and nose dive was also high on my list.
    The Eibach adjustable "sport" strut set (fr adj., not rear) seemed like the best fit, for a good price.
    For the front coils, I went to Toytec's site and picked "their" 620#, 1.6" coils, which are made by Eibach for Toytec.
    For the rear coils, I went with the Eibach load leveling kit, with the 250# load option for coils. It also comes with rear bump stops and a special perch (the adjustable part) which is apparently a bit of a pain to adjust, but it can be done without removing the coils or even the wheels.

    I got all of this for under $1,300 if I recall correctly, possibly even less due to sales when I bought.

    Hope you find what you want, and welcome!
     
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  21. Oct 14, 2020 at 2:29 PM
    #21
    Charlievee

    Charlievee New Member

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    I run the Pro lift as well and it never disappoints. From "faster then normal" speeds on "tank trails" to over taking traffic on the back roads possibly at speeds creeping into the 3 digit portion of the speedometer. Can't speak for the back seat, never had much need of one, at least while driving.
     
  22. Oct 16, 2020 at 6:40 AM
    #22
    S4ndb4r

    S4ndb4r New Member

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    I think you guys need to decide on tire size so you know at least minimum height of lift you may need to clear them.
    As far as Bilstein go I had them on my SR5 set at 1.75 front and a Cornfed 1” spacer rear. Go rid of nose dive and helped with body roll even with stock springs rear. I added spidertrax 1.25” to my stocks giving a wide track and body roll was not an issue with aggressive driving.115927BE-86EC-41C3-A453-CEB4797D51E0.jpg
     
  23. Oct 16, 2020 at 6:42 AM
    #23
    Agent_Outside

    Agent_Outside New Member

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    That’s not how that works
     
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  24. Oct 16, 2020 at 6:46 AM
    #24
    S4ndb4r

    S4ndb4r New Member

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    So if you say you like 285/70/17 you don’t start searching what lift do I need to fit vs what lift do I need to fit 35’s.
    You pick a lift then decide how tall you want to go on tires?
     
  25. Oct 16, 2020 at 6:53 AM
    #25
    Charlievee

    Charlievee New Member

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    Would rather go by performance aspects of the suspension and choose tire size after. Function over fashion and all that.
     
  26. Oct 16, 2020 at 7:03 AM
    #26
    S4ndb4r

    S4ndb4r New Member

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    Yup your opinion you must have experience with different set ups in the past but not the must way to do it. So good feedback about Eibach. What about you wheel set up. You could help the OP with what would fit with your set up.
     
  27. Oct 16, 2020 at 7:11 AM
    #27
    Agent_Outside

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    A suspension lift alone doesn’t add tire clearance on IFS.
     
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  28. Oct 16, 2020 at 7:19 AM
    #28
    S4ndb4r

    S4ndb4r New Member

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    How should the OP and anyone else fit taller tires on an IFS?
     
  29. Oct 16, 2020 at 7:36 AM
    #29
    Agent_Outside

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    It’s a common misconception that a lift gives you tire clearance, but that is just not true with the 4Runner’s IFS. There’s 4 movements for a wheel/tire - steering left, steering right, suspension compression, and suspension extension (droop). There is a fixed range of motion throughout any combination of those movements and that range of motion determines where a tire can physically be located. When you do a suspension lift, you do nothing to change the range of motion and in turn, you do nothing to change the space the tire can occupy. You’re just changing the static location of the tire inside that same range of motion which means you did not add clearance.

    Let’s say you have 8” of total suspension travel and that at static ride height when stock, you have 4” of available up travel and 4” of available down travel. Now you lift it 2”, you didn’t create more room, you just made it so the static ride height moved up within the same 8” range. You would now have 6” of up travel available and only 2” of down. If a bigger tire rubbed at stock ride height while turning right and you lift it, you did not add clearance to fix the rubbing, you just changed the conditions of when it occurs, when turning right with X amount of braking or running something over, both which would cause the suspension to compress, the wheel can be put right back into the exact spot it rubbed at before and will still rub all the same. Lifting it can change the conditions in which it rubs but it’s impossible for a lift alone to add clearance.

    You need to change the space the tire will occupy compared to the stock to actually create more clearance - that can be done with changes in tire width and diameter, wheel offset, different suspension geometry, the location of the lower control arms via the alignment adjust cams, etc. Shock length and aftermarket upper control arms can change the range of motion, and bump stops can be used to reduce the range of motion upwards to keep from stuffing a bigger tire into the fender. There’s lots of things and a lots of variables that will help you clear a bigger tire but on independent front suspension, with all else equal, ride height is not one of them.
     
  30. Oct 16, 2020 at 7:52 AM
    #30
    S4ndb4r

    S4ndb4r New Member

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    All great points about IFS but I did keep my comment basic to taller not wider etc. also was trying to keep it simple because the OP mentioned Bilsteins where they could get more wheel gap to fit a taller tire and they want to firm things up. They did not mention articulation and drop in their rig so I wouldn’t go that deep with trying to help them until/if the convo went that direction. You know people all day fit bigger tires with strut spacers on IFS without a care in the world. Let the OP talk about tires and if the want to go wide and we can scare them with BMC’s ....
     

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