Outer Limits 4x4 Board

Simple question really.... I've tried the search function but can't get anything resembling what I want from it.

What is the height from ground to bottom edge of the chassis rail on a standard GQ LWB with no lift in it ..... prob around the point where the radius arms bolt to the chassis would be a good point to measure i think.

Cheers.

no idea on that particular measurement but if your trying to find out how much lift is in your 4wd measure clearance between spring seat and bump stop in the front end. standard is around 60mm.

any measurement from ground to body means your measuring three things, tyres, body lift and spring lift.

brighty wrote:Simple question really.... I've tried the search function but can't get anything resembling what I want from it.

What is the height from ground to bottom edge of the chassis rail on a standard GQ LWB with no lift in it ..... prob around the point where the radius arms bolt to the chassis would be a good point to measure i think.

Cheers.

I'd be interested in finding out this too. Never really looked into it, but i'm looking at getting some dropped radius arms in the future and will need to know how much lift i really have, so i can order the right ones.

Coxy

love ke70 wrote:no idea on that particular measurement but if your trying to find out how much lift is in your 4wd measure clearance between spring seat and bump stop in the front end. standard is around 60mm.

any measurement from ground to body means your measuring three things, tyres, body lift and spring lift.

I don't have original bump stops in so not able to measure that gap correctly. Body lift has nothing to do with the ground to chassis measurement, and I can calculate the difference in tyre height easily enough to give me what I need to know.

Cheers.

from memory, 6" dobinson HD coils 37" mtr gave 680mm from ground to chassis rail in GQ ute near the gearbow X member.

the best messure to use is the bottom of the wheel rim to the lip of the guard.
it take tyres out of it. and you can easily subract body lift out of it.
it's also hell easier to messure then bump stop clearence.


be interested to kow aswell. i bought my GQ with the lifted springs already in it.

if my guardds hadnt be cut an unknown amount that would be good.
But easiest measurement is bump stop clearance or spring mounts.

coxy321 wrote:

brighty wrote:Simple question really.... I've tried the search function but can't get anything resembling what I want from it.

What is the height from ground to bottom edge of the chassis rail on a standard GQ LWB with no lift in it ..... prob around the point where the radius arms bolt to the chassis would be a good point to measure i think.

Cheers.

I'd be interested in finding out this too. Never really looked into it, but i'm looking at getting some dropped radius arms in the future and will need to know how much lift i really have, so i can order the right ones.

Coxy

You could do what I did and just buy the arms off Oondy on here who makes and sells Big O drop arms to suit your exact lift (with genuine Nissan slotted bushes too if you like) for around $800 the pair including bushes.
I'm guessing you have castor plates of castor bushes (YUK!)

Just measure the distance between your front bumpstop and axle then deduct 50mm (std bumpstop gap on GQ's but it varied a bit according to extra's up the front such as engine type/bull bar etc. and optional factory spring rates.) That will give you your current lift at static ride height anyway.
Oondy makes arms from 3" to 6" or 7" lift in 1" increments so getting the correct ones isnt an issue once you know your exact lift.
I've got 6" arms on mine from him and the rear pins sit perfectly straight in line with the chassis. My bump stop gap was 200mm which equates to 6" lift and thats with a Cheezy bar, Winch, 4 spotties, dual batteries and a turbo all added as extra weight over std.
I'm seriously thinking recently of getting 3" arms off Oondy and making myself some 3" drop boxes (still get the 6" drop) which will bring the arms to a closer horizontal plane with the axle and improve obstacle rollover. I dont really fancy 6" drop boxes so I think a 3x3 is a good compromise.
So, measure up and contact Oondy.
cheers, sudso

I would have thought that it was just as easy to measure from ground to under side of the chassis at a given point... ie: just to the front of g'box cross member whilst on level ground... ie: level driveway/garage floor. Surely this wouldn't be hard to get, say within 5mm of a perfect measurement!!

But I guess no-one on here has a stock standard lift in their patrols to measure

sudso wrote:Coxy You could do what I did and just buy the arms off Oondy on here who makes and sells Big O drop arms to suit your exact lift (with genuine Nissan slotted bushes too if you like) for around $800 the pair including bushes.
I'm guessing you have castor plates of castor bushes (YUK!)

Even worse!!! I have NO castor correction at all. I know, its very seedy - but i've had to spend money on other more important stuff first.

sudso wrote:Just measure the distance between your front bumpstop and axle then deduct 50mm (std bumpstop gap on GQ's but it varied a bit according to extra's up the front such as engine type/bull bar etc. and optional factory spring rates.) That will give you your current lift at static ride height anyway.

Beauty!! Thanks for posting that up. I think thats what everybody wanted to know re: standard height.

sudso wrote:Oondy makes arms from 3" to 6" or 7" lift in 1" increments so getting the correct ones isnt an issue once you know your exact lift.

So, measure up and contact Oondy.
cheers, sudso

No dramas. I was going to buy off oondy when the time comes. Good feller, cheap prices, and good quality gear too.

Whats the go with the standard bumpstop gap on the rear??

I have a 165mm gap in the front, and 225mm in the rear.

Coxy

coxy321 wrote:Whats the go with the standard bumpstop gap on the rear??

I have a 165mm gap in the front, and 225mm in the rear.

Coxy

The rear gap std is more than the front std. Your actual lift is about 4.5" which is about right for a 5" with the usual % of "spring settling" and accessory weight up front.

love ke70 wrote:no idea on that particular measurement but if your trying to find out how much lift is in your 4wd measure clearance between spring seat and bump stop in the front end. standard is around 60mm.

any measurement from ground to body means your measuring three things, tyres, body lift and spring lift.

coxy321 wrote:

sudso wrote:Coxy You could do what I did and just buy the arms off Oondy on here who makes and sells Big O drop arms to suit your exact lift (with genuine Nissan slotted bushes too if you like) for around $800 the pair including bushes.
I'm guessing you have castor plates of castor bushes (YUK!)

Even worse!!! I have NO castor correction at all. I know, its very seedy - but i've had to spend money on other more important stuff first.

sudso wrote:Just measure the distance between your front bumpstop and axle then deduct 50mm (std bumpstop gap on GQ's but it varied a bit according to extra's up the front such as engine type/bull bar etc. and optional factory spring rates.) That will give you your current lift at static ride height anyway.

Beauty!! Thanks for posting that up. I think thats what everybody wanted to know re: standard height.

sudso wrote:Oondy makes arms from 3" to 6" or 7" lift in 1" increments so getting the correct ones isnt an issue once you know your exact lift.

So, measure up and contact Oondy.
cheers, sudso

No dramas. I was going to buy off oondy when the time comes. Good feller, cheap prices, and good quality gear too.

im sure i said that in the first reply but it wasnt helpful to the original poster...

anywho, ive always been told 60mm not 50mm, that was from superior engineering for what its worth

my 4" kings give me 160 mm between bump stop and spring seat.

next time im under my ute brighty ill measure it for you and subtract the 100mm

Ok just for interests sake i just measured mine, given that I haven't ordered my drop boxes from Superior yet and my front diff is rotated forward I measured from the spring seat (centre front) to bottom of top bumpstop and got 190mm, I measured the same but from the back centre of the spring seat and got approx 160mm...so does that work out on the scheme of things??

twodiffs wrote:Ok just for interests sake i just measured mine, given that I haven't ordered my drop boxes from Superior yet and my front diff is rotated forward I measured from the spring seat (centre front) to bottom of top bumpstop and got 190mm, I measured the same but from the back centre of the spring seat and got approx 160mm...so does that work out on the scheme of things??

that you have 6 inch springs in the front and 4 in the rear the fronts should be shorter distance between than the rear.

no sorry i didn't put that very well - those measurements are on the front spring seats only..absolute front edge being 190mm and rear edge being 160mm. If i were to rotate the front diff backwards so that the spring seat was level (approx 30mm) then i would get 160mm front but then 190mm at back edge...it doesn't sound right and my head is farkin starting to hurt

Was told mine had 4" lift when i bought it but would like to work it out for certain thats all...i'm a bit suspicious whether it's accurate or not.

did you measure from the raised section of the spring seat or from the lowest point? the measurements i gave are from the raised part of the spring seat to the lowest part of the bumpstop, so i true inbetween measurement.

maybe you ahve extended bumpstops in the rear to stop scrubbing?

Ok i measured from the raised section of the spring seat (front diff only) to the lowest point of the bumpstop and got 160mm. The raised section being the back edge (6 oclock) of the seat.

I think i confused things by saying that cos my diff has rotated forward for obvious reasons due to the lift that the spring seat is not perfectly level. (front edge 12 o'clock at lowest point 190mm)

love ke70 wrote:

im sure i said that in the first reply but it wasnt helpful to the original poster...


next time im under my ute brighty ill measure it for you and subtract the 100mm

If you could do that for me that'd be greatly appreciated mate. I'm actually awaiting these measurements before I buy my drop boxes... just so I know which ones to get.

Brighty.

alright, i had a measure and took so pics, but alas, the camera wont talk to the computer and im not moving the ute into the shed a second time to retake the pics, so you will have to use your imagination

i measured from the ground to the gearbox crossmember on the passenger side, when you look at the gearbox crossmember, its a U channel shape, i measured from the lowest point, which sits between the bolts, and it measured 407mm.

so take off the 4" lift and its 307mm standard, the tyres are 7.5 R16 on the front and 235/85R16 on the rear, gotta lock skinnies but they are a 31, or there abouts.

cheers, andrew

well i fixed the camera, and took a couple of quick pics, didnt bother to move the ute into the shed where i did my measurements.
anywho:



that is where i measured from, as i said in my other post, just to be clear, was 407mm with 4" lift



and that is where you measure on the front diff the clearance between the bumpstop and the spring seat, standard is 60, mine measured nearly spot on 160mm with the 4" king springs, factory winch bar, and TD42.

cheers, andrew

I dont think the "crossmember-to-grass" method of measuring is recognised by the VACC down here....

http://www.outerlimits4x4.com/ftopic334 ... highlight=

search harder

as i said, the measurements were done in the shed. on the concrete, if you took the time to read i took pictures when i measured, but the camera had a moment and i couldnt get the pictures off, so i took the pic to explain where i took the measurement from on the crossmember.

with all the appreciation people seem to give its no wonder no one goes out of their way to help on this forum.

its still a bollucks measurement anyway, every tyre brand is a different actual OD and every spring sags a different amount and everyone inflates their tyres to a different pressure.