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6" lift compromises steering angles?

Tech Talk for Nissan owners.

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6" lift compromises steering angles?

Post by Deano »

G'day

Down the local 4x4 shop looking at a 6" suspension lift package for my LWB GQ. (Springs/shocks/castor plates/panhards/etc)

Store guy said that 6" is do-able, however it almost max's out the steering members in terms of operating angles etc.

He advised a 4" susp lift + 2" body a better way to go, w.r.t. the steering member operating angles.

Obviously 6" can be done, as lots of guys are running them, but does it really push the steering capabilities to its limits? Im guessing that running more extreme angles associated with the 6" lift will potentially wear things out quicker, and increase breakage risk (I believe this to be true for driveline components as well).

Is this true/bulls**t or somewhere inbetween?

Having said all that, Id still like to go 6" simply becuase I can :)

Cheers, Deano
I wish I was hardcore
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Post by ozy1 »

I have a 6" lift in my GQ LWB, my old man has a 6" lift in his GU LWB, we have had these installed for well over 12 months, and to this date, hav not broken any steering component, nor is there any sings of wear that may indicate replacement.

it is true that there are increased steering linkage angles, but its not, bad, ad a 5 link and look at the extra travel, that would have to add more stress to the linkages than just having the 6" springs,

in my opinion, it comes down that what you want, and will suit you best.
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Re: 6" lift compromises steering angles?

Post by bogged »

why do you need 6inch lift? You running 39's??

You can happily run 36's with 4inch lift... or as Dave T's dad does Q78s on a 3inch lift and trim of guards.

Also with the laws changin on suspension etc hassles in WA, 4inch maybe illegal soon too :( (search for a thread recently about that issue in WA)
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Post by hotrod4x4 »

the main reason u r advised against a 6inch lift

is because of the angle the steering an panhard bars are changed to
put simply , the panhard bar is way less affective
therefore makes the GQ wobble much worse
add a 5link , and it shows up even more

its still drivable , and each truck will b different
its just a warning they give u

just depends whether u can put up with the wobble or not
personal preference i spose

my rig had 6inch lift an 3inch body for prob 5yrs
it was only 2yrs of that it became sorta unbearable because the added affects of a 5link

just gives u something to consider
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Post by 65Mog »

Take the shops advice and go with the 4inch lift, patrols work alot better with a 4, I've had both and regret going to a 6inch lift.
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Post by Deano »

Thanks for the input guys.

THe main reason I wanted to run 6" was to get 35" (or 36") without scrubbing, AND keeping it legal. Trawling the posts here indicated I would get scrubbing with 4" and normal guards and rims.

(I was advised that at the moment I can still get a 6" lift to pass given the right enginneer and completion of swerve test here in WA).

I looked at trimming the guards, or running more offset on my rims (ie Toyota or custom jobbies) but was trying to keep it simple (and cheaper) for now. Also running wider track on std axles is another engineering/leaglity hassle altogether.

Given your feedback, Im off to investigate getting a 4" susp, 2" body lift legal here in WA.

Ill let you know how it goes.

Cheers, Deano
I wish I was hardcore
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Post by Daisy »

Deano wrote:
Given your feedback, Im off to investigate getting a 4" susp, 2" body lift legal here in WA.

Ill let you know how it goes.

Cheers, Deano


Prolly the best option.

TOM
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Post by bogged »

Deano wrote:Thanks for the input guys.

THe main reason I wanted to run 6" was to get 35" (or 36") without scrubbing, AND keeping it legal. Trawling the posts here indicated I would get scrubbing with 4" and normal guards and rims


I get scrubbing with 33's and a 6inch lift. 35's worse.
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Post by bazzle »

Ive got 4" spring, 2" body with 35 STs (wide across the tread)
Light rubbing only on rear inner guard at full flex.
Off set rims.

Bazzle
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Post by Wendle »

i have standard springs and 39"s and the fawking front tyres are rubbing on the radiator at full flex ROFL...
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Post by bazzle »

i have standard springs and 39"s and the fawking front tyres are rubbing on the radiator at full flex

Dont worry the water will lube the rubber

Bazzle :roll:
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Post by Wendle »

bazzle wrote:i have standard springs and 39"s and the fawking front tyres are rubbing on the radiator at full flex

Dont worry the water will lube the rubber

Bazzle :roll:


that is what i was hoping for.

back to the original question, 6" is getting kinda nasty on a few items. the difference in the operating angle of the draglink and panhard starts to get pretty bad, if you have a reasonable amount of down travel left, the ball joints on the drag link get close to being maxed out, and if they are already a bit sloppy, they will get real loose real quick. same with panhard and radius arm bushes.
you can run the tyres you want with less lift with a bit of small wheelbase adjustment.
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Post by Deano »

Wheel base adjustment eh? Tell me more!

I know at the front you can run radius arm spacer bushes to move the axle fwd an inch or so, and center it better in the wheel well (think I saw Mannel sell em') but to the best of my knowledge they are not street legal.

Im not aware of another method of front axle relocation short of a re-welding mounts which starts to get complicated quickly.

As for the rear??? Offset bushes in trailing arms? Other suggestions?

I know I could engineer and rego the car and then put the spacer bushes in but I want to keep it all above board if I can.

Deano
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Post by Butt Craic »

I speak from the experience of having had a couple of kits in my GU coil cab:

* First setup = 4" King springs and 2" body lift, Koni shocks. I ran 35's (Cooper STs on road) with this and had little to no rubbing. I had Q78's off-road and this was probably the best set up the car's had.

* Setup now = 6" Dobinson spring, 2" body lift, heaps of front guard trimming, castor plates, custom trailing arms. I can now run 42's but the thing doesn't have anywhere near the stability that I used to.

I run 37" Xterrains on road and generally use 38.5 Boggers off-road. IMO my ute sits too high and if the ski season hadn't come around so quickly (I work up here while the rest of you guys play!) I would have dropped the 4" springs and koni shocks back in.

If you are going to do any sort of road miles, I would look to something other than a Rancho - just my opinion but I don't think that they are the shock for lots of high speed 'twisty' driving . . . they just don't cope with the weight of a Patrol.

I've attached a photo of my rig on 37's on . . . 37's don't look huge and 35's look like cheese cutters.
I'm not very good looking, so I guess I better be useful . . .
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Post by bogged »

Deano wrote:Wheel base adjustment eh? Tell me more!


Deano



what do you want from the car, a comp truck? or a weekend warrior, or a daily driver?
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A1
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Post by A1 »

Butt Craic wrote:I speak from the experience of having had a couple of kits in my GU coil cab:

* First setup = 4" King springs and 2" body lift, Koni shocks. I ran 35's (Cooper STs on road) with this and had little to no rubbing. I had Q78's off-road and this was probably the best set up the car's had.

* Setup now = 6" Dobinson spring, 2" body lift, heaps of front guard trimming, castor plates, custom trailing arms. I can now run 42's but the thing doesn't have anywhere near the stability that I used to.

I run 37" Xterrains on road and generally use 38.5 Boggers off-road. IMO my ute sits too high and if the ski season hadn't come around so quickly (I work up here while the rest of you guys play!) I would have dropped the 4" springs and koni shocks back in.

If you are going to do any sort of road miles, I would look to something other than a Rancho - just my opinion but I don't think that they are the shock for lots of high speed 'twisty' driving . . . they just don't cope with the weight of a Patrol.

I've attached a photo of my rig on 37's on . . . 37's don't look huge and 35's look like cheese cutters.




Nice Rig how bout postin up some action shots in members


mmmmmmmmmmmm GU TRAY if i only had enough $$$$$$$$$$ :roll:
[b][i] DAN [/i] [/b]


:silly:
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Post by hotrod4x4 »

just a few comments on whats been posted

the GU has a much bigger wheel arch than a GQ , so u cant compare it so much......for tyre size / rubbing etc

and
the rancho's most use....9012's etc.......altho we run them in a single setup on the nissans.......if u talk to the guys at rancho , u will b informed they were actually designed to b run in a twin setup
therefore not designed to carry as much load

saying that
u get used to the height an the way the car drives
an can still throw it thru winding corners while the door handles r almost scraping.........ONCE U KNOW HOW IT HANDLES......not before
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Post by Butt Craic »

A1MAV wrote:Nice Rig how bout postin up some action shots in members


mmmmmmmmmmmm GU TRAY if i only had enough $$$$$$$$$$ :roll:


Will hunt through my photos and see if there are any worth putting together for a thread in the members section. I mainly wheel with only 1 other guy on his private property these days so I don't have a heap of good action photos.

Start saving . . . . mine is/was kind of for sale. I advertised around Easter time and had a couple of guys from Brisvegas interested but ended up having to go O/S with work and the ski season snuck up on me way too quickly.
I'm not very good looking, so I guess I better be useful . . .
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Post by duncan »

Im in WA so if you want you can have a look at my set up im running 4 inch kings with Rancho 9000s have moved my shock mounts to get more travel as they were limiting wheel travel put in longer bump stops trimmed the front and rear guards run a 3 1/4 body lift running 35 BFG Muds on road and now 38 TSLs for play also running 5 link front with heavy duty panhards adjustable and heavy duty adjustable control arms put taperd tubes in the top of the rear coil munts so when they drop out at max articulation the springs will go back in to the correct position i now get no rubbing at full artic opposite front and rear coils are completly compressed very happy just got to do something about the drag link angle as at full droop im sure it binds the ball joint up
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