05-03-2016, 12:21 PM
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#1
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Helpful info request: 2.5" bilstein front lift. Do i need upgraded UCA's
I have a 2014 5th gen TEP. Putting a bilstein 5100 lift on. Set at 2.5" front. Will i need upgraded aftermarket upper control arms? Will it align properly and drive properly and no weird uneven tire wear?
If i need to have the upper control arms, and it is 100% needed, then thats cool but if i can do without and be ok, thats even better.
I was planning to get the SPC LR uppers.
Ill be running 285/70/17 bfg ko2's on pro comp 17x8.5 wheels
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CURRENT-2006 T4R LIMITED 4WD V8 Bilstein 6112/5160 Icon 2” rear coils Gibson Catback exhaust |SOLD-2010 JEEP RUBICON UNLIMITED|SOLD-1988 Toyota 4Runner SR5 5-speed|SOLD-2014 Toyota 4Runner T.E.P. Magnetic Grey|SOLD-2k T4R 4WD. TRD SUPERCHARGED URD 7TH INJ.|SOLD-2013 Taco trd offroad 4x4 DC lifted Fox susp.
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05-03-2016, 12:26 PM
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#2
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many run stock UCAs just fine
Many need aftermarket UCAs
Point being no 2 trucks are the same.
I have no issues with my stock UCAs and 2.5" lift
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05-03-2016, 12:31 PM
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#3
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If you're getting the suspension installed, might as well get the UCA for greater adjustment for bigger wheels and tires. But if the expense is something better used elsewhere, you won't break anything without them.
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05-03-2016, 12:35 PM
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#4
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I ran my lift without uca for a good year and some change. It was drivable and fine, no crazy tire wear or anything. Having said that I just put on uca recently as well and it drives even better why? Because I was able to get a better alignment and now it doesn't feel froggy on the highway over bumps etc.
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05-03-2016, 04:29 PM
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#5
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I have stock UCA's. The alignment shop was able to get my caster within spec (barely). I have no plan on upgrading to aftermarket UCA's
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2014 4Runner TE: 285/70/17 M/T ATZP3, 5100's 2.5" front/1.5" DS rear, Spidertrax spacers, RCI Sliders, FrontRunner Slimline II, Gobi Ladder, TRD Intake, Borla Catback, Pedal Commander, TRD Pro: Wheels, Skid, Grille
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05-03-2016, 05:45 PM
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#6
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Quote:
Originally Posted by jimster716
If you're getting the suspension installed, might as well get the UCA for greater adjustment for bigger wheels and tires. But if the expense is something better used elsewhere, you won't break anything without them.
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Hey jimster, whats the consequences that can happen if you dont replace UCAs ?
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05-03-2016, 06:04 PM
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#7
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Quote:
Originally Posted by 96706RROMJP
Hey jimster, whats the consequences that can happen if you dont replace UCAs ?
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Should you get aftermarket upper control arms? Provides a good explanation.
There's potential that with the lift you won't be able to get within spec. This may compromise driveability with a tendency for darty steering and a chance your wheel won't return to the straight position coming out of a turn.
Last edited by jimster716; 05-03-2016 at 06:17 PM.
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05-03-2016, 06:20 PM
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#8
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Quote:
Originally Posted by mrevilandy
I ran my lift without uca for a good year and some change. It was drivable and fine, no crazy tire wear or anything. Having said that I just put on uca recently as well and it drives even better why? Because I was able to get a better alignment and now it doesn't feel froggy on the highway over bumps etc.
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Yup. X2 I did the same.
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2011 Silver LE, 3rd row, 285 GY Duratracs, Elka remote with adjusters/Icon Overland springs, SPC UCA's, RCI skids, Shrockworks step slider with OE Trail rockers, CBI rear bumper, Indel B fridge, SPOD, and more...
Build link:
http://www.toyota-4runner.org/5th-ge...el-thread.html
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05-03-2016, 08:56 PM
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#9
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good topic and straightforward, great feedback.
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2015 trail edition premium w/ KDSS
OPOR sliders ● 255/75/17 firestone destination AT ●
King coilovers and shocks w/ compression adjust ● Dirtking UCAs ● Icon 2" rear springs
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05-03-2016, 09:12 PM
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#10
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I'll save you all the potential problems that 75% of all the posts deal with:
.85 lift to level, stick with 265's. Zero problems, perfect alignment. Almost as cool.
You're welcome.
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05-03-2016, 10:44 PM
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#12
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Great reading all your expierences with not having UCA's. Glad all of you are so helpful!! Maybe ill just run without upgraded uca's and get some down the road depending if they can get mine close to specs.
The lift isnt going to give me any issues having KDSS is it?
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CURRENT-2006 T4R LIMITED 4WD V8 Bilstein 6112/5160 Icon 2” rear coils Gibson Catback exhaust |SOLD-2010 JEEP RUBICON UNLIMITED|SOLD-1988 Toyota 4Runner SR5 5-speed|SOLD-2014 Toyota 4Runner T.E.P. Magnetic Grey|SOLD-2k T4R 4WD. TRD SUPERCHARGED URD 7TH INJ.|SOLD-2013 Taco trd offroad 4x4 DC lifted Fox susp.
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05-03-2016, 10:57 PM
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#13
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I was in spec with 2.5 lift but plan for potential premature wear. When I max mine to 3", and install my TC, I did notice a lil bit of grease sipping through the ball joint.
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'14 4Runner Limited Redwood: Suntek films, AVS visors, BAMF Sliders, WT Liners, 35% tint, TE37 18x9, 285/65 RidgeGrappler, Spidertraxx, Gobi Rack, Bilsteins 6112/5160, ICON Overland, CVT Mt. Shasta, TRD skid, RCI aluminum skids, BW flares, TC UCAs
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05-04-2016, 01:49 AM
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#14
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Wassup guys, i talked to toytec and this is what they told me with 3" your still able to get your alignment within specs, and replacing UCAs is recommended but not required, same response from bilstein lifts.
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05-04-2016, 01:51 AM
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#15
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Quote:
Originally Posted by Magnetic4R
I was in spec with 2.5 lift but plan for potential premature wear. When I max mine to 3", and install my TC, I did notice a lil bit of grease sipping through the ball joint.
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Do you know what was the cause of the grease sipping through the ball joints?
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