3.5 inch lift - Jeep Commander Forums: Jeep Commander Forum
Suspension / Lifts This is the place to discuss the suspension, lift systems, and other stuff underneath your Jeep Commander

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post #1 of 14 (permalink) Old 02-02-2009, 06:21 PM Thread Starter
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Exclamation 3.5 inch lift

I know it has been addressed before, about how a 3.5 inch lift may put strain on the steering system, and it may just be me wishing for a bigger lift but what do you guys think?
At the bottom i will put the websit for more detailed info.
Rock Krawler 3.5" X Factor System 06+ Commander XK. Allows for 31 Inch Tires with no Fender Trimming or 32x11.5's with Minor Fender Trimming. Shown with 33x10.5R17 SSR's (265/70R17 SSR's) on 17x9 Helo Max 6 Wheels with 4.5 Inches of Back Space.
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post #2 of 14 (permalink) Old 02-02-2009, 06:29 PM
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You can run those tires, except for the 33's, on the 2 - 2 1/2" budget lifts.

2006 Silver Jeep Commander Limited 4X4 - 5.7L Hemi, Quadra Drive II, Navigation System, Chrome Fuel Door, Sunroof, Rusty's 2" Lift Kit, Moto Metal M0950 Rims, Goodyear Silent Armor 255/70/17, Front Skid Plate, 4XGuard Belly Skid Plate, RR Supersliders, Chrome Front Tow Hooks, AEM Brute Force Intake, and WeatherTech Floorliners. See Pics
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post #3 of 14 (permalink) Old 02-02-2009, 06:37 PM
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I'm running 32's on my XK with a 2 inch lift. Required trimming.

2007 XK Limited, 5.7L Hemi, QDII, Rusty's 2" lift, Spidertrax 1.5 inch wheel spacers, GetLost4x4's front hitch mount for portable winch.GY Duratracs 265/70R17s , Rola Roof Rack, diy built spare tire mount for the roof rack.
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post #4 of 14 (permalink) Old 02-15-2009, 06:17 PM
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Quote:
Originally Posted by Shocker View Post
I know it has been addressed before, about how a 3.5 inch lift may put strain on the steering system, and it may just be me wishing for a bigger lift but what do you guys think?
At the bottom i will put the websit for more detailed info.
Rock Krawler 3.5" X Factor System 06+ Commander XK. Allows for 31 Inch Tires with no Fender Trimming or 32x11.5's with Minor Fender Trimming. Shown with 33x10.5R17 SSR's (265/70R17 SSR's) on 17x9 Helo Max 6 Wheels with 4.5 Inches of Back Space.
redrock4x4.com
Hi there, where did you read about the strain it puts on the steering system?
Thanks!

____________________________________
06 Jeep Commander 3.7L QT1 Red
Rear Grab Handles installed 07/05/08
2" lift kit - Daystar 06/13/09
1.5" Spidertrax spacer 06/13/09
265/70/17 OTR-S (E) Re-treads 07/07/09
Eco-friendly
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post #5 of 14 (permalink) Old 02-15-2009, 06:35 PM
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Quote:
Originally Posted by Shocker View Post
I know it has been addressed before, about how a 3.5 inch lift may put strain on the steering system, and it may just be me wishing for a bigger lift but what do you guys think?
At the bottom i will put the websit for more detailed info.
Rock Krawler 3.5" X Factor System 06+ Commander XK. Allows for 31 Inch Tires with no Fender Trimming or 32x11.5's with Minor Fender Trimming. Shown with 33x10.5R17 SSR's (265/70R17 SSR's) on 17x9 Helo Max 6 Wheels with 4.5 Inches of Back Space.
redrock4x4.com
You may want to check with TYMAC on the Rock Crawler 3.5" lift. He just installed this exact lift and it only raised the vehicle 2.25". It appears that for whatever reasons they have added up the amount of lift in the front and back of the suspension to come up with 3.5". See TYMAC's garage thread or PM him for more info.

2008 Jeep Green Rocky Mountain 4x4 4.7L, 245/65 R17 Fortera's,
class IV tow package w/shackle, front tow hooks, remote start,
MyGig w/backup cam, bun warmers, commandview, QTII,
Rocky Road Super Sliders (now installed and tested!), no lift, full Jeep OEM skid plates,
4xGuard Belly Guard, 4xGuard front skid, Surco 50 x 70 roof rack.
post #6 of 14 (permalink) Old 02-15-2009, 09:01 PM
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Quote:
Originally Posted by Shocker View Post
I know it has been addressed before, about how a 3.5 inch lift may put strain on the steering system, and it may just be me wishing for a bigger lift but what do you guys think?
At the bottom i will put the websit for more detailed info.
Rock Krawler 3.5" X Factor System 06+ Commander XK. Allows for 31 Inch Tires with no Fender Trimming or 32x11.5's with Minor Fender Trimming. Shown with 33x10.5R17 SSR's (265/70R17 SSR's) on 17x9 Helo Max 6 Wheels with 4.5 Inches of Back Space.
redrock4x4.com
I wouldnt listen to a site that states a 33x10.5R17 SSR is the same size as a 265/70R17 SSR because that is definately not true.

Also with my 2 inch BDS im running 31's without trimming and could easily run 32's with minor trimming. So why would you want to run a system that is going to ruin your ball joints and cv axles and all sorts of other parts just to run the same size tire you can with a 2 inch.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #7 of 14 (permalink) Old 02-16-2009, 05:45 PM
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The 3.5 x factor is indeed a 2.25'' lift, i have that and a RRO lift on top with no problems, i like it a bit better that the SL lift because the SL lift uses a cross member that kills your height gain.
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post #8 of 14 (permalink) Old 02-16-2009, 06:33 PM
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Quote:
Originally Posted by AcidCold View Post
The 3.5 x factor is indeed a 2.25'' lift, i have that and a RRO lift on top with no problems, i like it a bit better that the SL lift because the SL lift uses a cross member that kills your height gain.
The only problem with your setup is that you have greatly limited the down travel of the front suspension. Also it is almost required to run GetLost UCA's or your guaranteed to break the stock ball joints like phunkeydude.

With the superlift, they provide a new front cross member and differential drop down brackets which maintains the factory cv and drive shaft angles. Also the kit provides replacement extended knuckles to ensure proper steering geometry which span the increased distance between the LCA and the UCA keeping the UCA in the stock position.

As for the ground clearance up front with the superlift id imagine if running a 285/70R17 or larger tire you have a few more inches then stock. Especially since the superlift cross member and pan are contoured to provide as much clearance as possible.

As long as you have a good spotter while out on the trail the front lowered cross member shouldnt cause you a problem.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #9 of 14 (permalink) Old 02-16-2009, 07:24 PM
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I hear yah, i do have getlost uca's, they are very beefy and well built. I spend alot of time in the dunes so down travel is not bad, i still get 3'' to 3.5.
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post #10 of 14 (permalink) Old 02-16-2009, 07:32 PM
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07JeepXK makes a good point about the ball joints. The OEM parts work fine under their intended range of motion but pop apart when they become the limit of movement. Normally it's the strut that stops everything from drooping too far. But in looking at before and after pics of my rig when it had the 2.25" lift and now the 4" (with exactly the same tires - still trying to wear them out) the 2.25" kit almost appears to have more diff clearance than the 4" kit, though I never measured. I did however just go measure my XK in the garage after reading this thread because it got me all curious. I have 10.0" of clearance under the differential where the Superlift skidplate has a bumpout for it, and about 9.5" where the stabilizer bar link bolts to the lower a-arm. My 265/70's are about half-worn and I intend to go to 285's when its time. In spending some time in Moab and a lot of time on Colorado trails, the part that drags the most is the rear lower control arm relo brackets. Those things take a beating, at least with me. I have hit the front skidplate a time or two but thus far have been able to judge what I'll clear and what I won't pretty well. But I do look forward to even the little more clearance 285's will give.


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06 Limited, 4"SL+SSR, Deaver front coils, 285 KM2's, winch, GL bumper, AFE, FM50 - SOLD July,2012...
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