Outer Limits 4x4 Board

A little light reading...

now go pool the act and refernced ADR's...

instant cure for insomnia..

Spock

The following sub-sections outline the legal requirements
for replacement rims and tyres fitted to a passenger car
or derivative, or an off-road passenger car (but not light
commercial)

Hear that a bit. Wouldnt mind reading the rules on tyres for comercial vehicles. I assume a 4x4 utility fits under the commercial vehicle heading.

I know my hilux is registered as a light commercial or something like that, officially I'm employed as a sub contracting courier with my 1 tonne rated hilux.

Hybrid wrote:

The following sub-sections outline the legal requirements
for replacement rims and tyres fitted to a passenger car
or derivative, or an off-road passenger car (but not light
commercial)

Hear that a bit. Wouldnt mind reading the rules on tyres for comercial vehicles. I assume a 4x4 utility fits under the commercial vehicle heading.

No loopholes there. Thinka bout it - why would there be a need to fit larger tyres to a commercial vehicle - they are for working purposes, not recreation. You don't need larger tyres for a courier run.

Even over the 4.5t there is no need to go larger, so no provision made in the rules.

mmm so by my understanding, this booklet has removed the raising of the vehicle.

The ride height must not be reduced by more than 1/3 of the distance between the rubber bump stop and metal stop (reduced = lowered???).

The rebound travel must not be reduced by more than 1/3.... again, reduced = lowered??

Based on this booklet, and this booklet only, you can lift a car as high as you want??????

however, there appears to be limits, cause the higher you go, the more little bits have to be changed or modded to get it right. "Auxillary suspension control devices may be fitted provided they are properly engineered and fitted"

On the back it will be printed:
This booklet is intended to be a guide only, and is not to used as a reference to point of law.

For more info regarding the raising of vehicles it is best to consult with either an authorised officer or the vehicle modifications dept.

Prolly a misprint or page error that the raising section would be removed.

Section 2
More complex modifications than those types already listed in Section 11 must be approved.....

So raising of the suspension is not mentioned in Section 1, ANY lift must be approved
mmmmm interesting development

Area54 wrote:

Hybrid wrote:

The following sub-sections outline the legal requirements
for replacement rims and tyres fitted to a passenger car
or derivative, or an off-road passenger car (but not light
commercial)

Hear that a bit. Wouldnt mind reading the rules on tyres for comercial vehicles. I assume a 4x4 utility fits under the commercial vehicle heading.

No loopholes there. Thinka bout it - why would there be a need to fit larger tyres to a commercial vehicle - they are for working purposes, not recreation. You don't need larger tyres for a courier run.

Even over the 4.5t there is no need to go larger, so no provision made in the rules.

Maybe what Hybrid is saying is that there are written limitations on the passenger car or derivative, but not on Light Commercial. So maybe you could get away with it as it does not mention a limit, the light commercial section maybe written up differently.

Just a notion...

Meldge wrote:

Area54 wrote:

Hybrid wrote:

The following sub-sections outline the legal requirements
for replacement rims and tyres fitted to a passenger car
or derivative, or an off-road passenger car (but not light
commercial)

Hear that a bit. Wouldnt mind reading the rules on tyres for comercial vehicles. I assume a 4x4 utility fits under the commercial vehicle heading.

No loopholes there. Thinka bout it - why would there be a need to fit larger tyres to a commercial vehicle - they are for working purposes, not recreation. You don't need larger tyres for a courier run.

Even over the 4.5t there is no need to go larger, so no provision made in the rules.

Maybe what Hybrid is saying is that there are written limitations on the passenger car or derivative, but not on Light Commercial. So maybe you could get away with it as it does not mention a limit, the light commercial section maybe written up differently.

Just a notion...

What I was thinking is that light comercials may be allowed to run wider rims. But then youd run wider rims to allow for larger diameter tyres so it kinda defeats the purpose in regard to legalities. Mind you you can get 31x12.5 but im not sure if they require 8.5 inch rims. Just interesting they explicitly point out that that section excludes comercials. I'd just be interested to see what the differences are.

BTT

interested in peoples thoughts - Especially shops. How do you read this?

I read it as being able to have the suspension kit as a whole mod plated under the Approved Persons Scheme??? But it would need to be clarified i guess.

Hybrid wrote:

Meldge wrote:

Area54 wrote:

Hybrid wrote:

The following sub-sections outline the legal requirements
for replacement rims and tyres fitted to a passenger car
or derivative, or an off-road passenger car (but not light
commercial)

Hear that a bit. Wouldnt mind reading the rules on tyres for comercial vehicles. I assume a 4x4 utility fits under the commercial vehicle heading.

No loopholes there. Thinka bout it - why would there be a need to fit larger tyres to a commercial vehicle - they are for working purposes, not recreation. You don't need larger tyres for a courier run.

Even over the 4.5t there is no need to go larger, so no provision made in the rules.

Maybe what Hybrid is saying is that there are written limitations on the passenger car or derivative, but not on Light Commercial. So maybe you could get away with it as it does not mention a limit, the light commercial section maybe written up differently.

Just a notion...

What I was thinking is that light comercials may be allowed to run wider rims. But then youd run wider rims to allow for larger diameter tyres so it kinda defeats the purpose in regard to legalities. Mind you you can get 31x12.5 but im not sure if they require 8.5 inch rims. Just interesting they explicitly point out that that section excludes comercials. I'd just be interested to see what the differences are.

Don't quote me on this, but I don't think that there is an 8" rim limit in QLD like NSW and Vic. NJ SWB looked into it a while ago- If you have larger vehicle (eg one that came with 8" rims) you might be able to fit 10" rims provided they do not increase the track width by more than 2" overall.

So then you would be able to fit up some 31 x 12.5's

does any one know what the swerve test consists of?

number of markers spaced how far apart etc?

Hoonz wrote:does any one know what the swerve test consists of?

number of markers spaced how far apart etc?

This is a excel spreadsheet showing the WA lane change test procedure.

http://www.users.bigpond.net.au/sagecomp/4x4/engineer/Lane.xls

Chris.

ok will try it out and see what happens ehehehe
will test various things ... like swaybars on and off ...
and other things as i think of them see what i come up with

Engineer i spoke to down here told me WA were introducing a "J-turn" test which he interpreted as consisting of you having to turn your vehicle full lock and it must begin to slide before it rolls. He couldn't specify the speed at which this test must be performed at the time i spoke to him.

Has any1 else heard of this??

Leaf spring suspensions must not be raised
by the use of extended shackles, adjustable metal plates
or by placing the leaf springs to the opposite side of the
axle.

Ouch

Permanently locking a differential by welding or other
means is not permitted and has a dangerous effect on
the handling of a vehicle.

Why would you do this to a vehicle that was used on the road this is a total off road mod

Trusa wrote:Engineer i spoke to down here told me WA were introducing a "J-turn" test which he interpreted as consisting of you having to turn your vehicle full lock and it must begin to slide before it rolls. He couldn't specify the speed at which this test must be performed at the time i spoke to him.

Has any1 else heard of this??

lol

what if it rolls in the test

that would sux

longlux wrote:Permanently locking a differential by welding or other
means is not permitted and has a dangerous effect on
the handling of a vehicle.

Why would you do this to a vehicle that was used on the road this is a total off road mod

drag cars use lockers too

and some bogans think a welded diff is gonna give em that little bit needed to take the ricers off the line.

Shadow wrote:and some bogans think a welded diff is gonna give em that little bit needed to take the ricers off the line.

yep - had a 'mate' weld his gemini rear up.....

RUFF wrote:I think you will find most of the guys complaining in QLD either have no real idea on how to go about mods legally or are trying to build rigs that just shouldnt be on the road.

I just read Ruff state this in the build write-up of the lockless for TTC. I would like to say - bravo - I for one see your point.

Modifications in QLD appears to be not that more difficult than anywhere in Aust. You speak to the right people, pay the right $$ for the right equipment and advice. Basically, these guidelines are getting 'tighter' to push out dangerous vehicles. Whether you think the 6" lift is safe or not is not your decision.

Area54 has just gone through DOT approval for his mods on the Mav. If you have read his tech posts over the last couple of months, you'll know. In these posts he has provided info, advice and even the phone number for modifications people at DOT.

This new guideline omits suspension lifts (of any height over standard) and body lifts - obviously for a reason. So if your smart, do the right thing, and speak to a professional. It may cost extra to get what you want, but you dont want to write your truck off, someone else car, or kill someone without insurance. My $0.02.... thanks RUFF for getting my fingers going.