NSW engineering cert for 265 70 17's

[Peterpilot Avid PP Poster! Find all posts View Profile Close Peterpilot]

If NSW have in fact finally adopted VSB14 it would be a big improvement on the previous VSI9 regulation.

[Peterpilot Avid PP Poster! Find all posts View Profile Close Peterpilot]

I just skimmed through a few of the new 4WD regs in VSB14 and as well as being allowed 50mm increase in diameter, you may also increase track by 50mm. It looks like a 50mm suspension increase still remains the limit without certification and up to 150mm with certification.

[busha Lurker Find all posts View Profile Close busha]

If NSW have in fact finally adopted VSB14 it would be a big improvement on the previous VSI9 regulation.

I think VSB14 is used as guidance document only at this stage.
Refer to: http://www.rta.nsw.gov.au/registrati...ccs/index.html
NSW still requires compliance with ADR's, Schedule 2 of regulation.
But the important benefit for Prado owners is: If your vehicle complies with either VSB 6 or VSB 14 you can be confident that your vehicle complies with applicable vehicle standards, pending certification.

Vehicle can be raised a combined total of 50 mm (refer clause 4.11, VSB14, NCOP11 Section LS Tyres, Rims, Suspension and Steering):
Raising the height of the vehicle may be performed without certification providing the overall increase in vehicle height is not more than 50mm. This may be achieved as a single modification such as the installation of a 50mm lift kit, or by a combination of smaller lifts as
described below:
 the fitting of body blocks or lift kits (50mm maximum if no other modifications resulting in a change of vehicle height are performed);
 suspension modification, (50mm maximum if no other modifications resulting in a change of vehicle height are performed);
 changes to tyre size (maximum change in tyre size diameter of 50mm); or
 a combination of the above that results in a change of vehicle height not exceeding
50mm
AB

[Ozpat Advanced Member Find all posts View Profile Close Ozpat]

 suspension modification, (50mm maximum if no other modifications resulting in a change of vehicle height are performed);
 changes to tyre size (maximum change in tyre size diameter of 50mm); or
 a combination of the above that results in a change of vehicle height not exceeding
50mm
AB

Then any increase in tyre size from oem to a 50mm lifted vehicle is not strictly legal?

[busha Lurker Find all posts View Profile Close busha]

Then any increase in tyre size from oem to a 50mm lifted vehicle is not strictly legal?

Refer NCOP 11 - Legal if certified:
LS7 High Lift 50mm to 150mm (Design) page 74
LS8 High Lift 50mm to 150mm Modification page 82

[Ozpat Advanced Member Find all posts View Profile Close Ozpat]

Refer NCOP 11 - Legal if certified:
LS7 High Lift 50mm to 150mm (Design) page 74
LS8 High Lift 50mm to 150mm Modification page 82

$1600+ a set is dear enough without going to all that expense and hassle..

[D4D Addicted PP Member Find all posts View Profile Close D4D]

Then any increase in tyre size from oem to a 50mm lifted vehicle is not strictly legal?

Agree but how many lifts are true 50mm, the standard OME lift is about 40mm.

[fourbyphil Senior Member Find all posts View Profile Close fourbyphil]

as far as i'm aware NRMA wont cover the vechile for off road.. use ..
i had this issue with them and had to source another insurer who does.. food for thought.. butane

I asked them the same question , they told me as long as I'm not competing in a race , I'm covered ANYWHERE in Australia, even if I'm not on a posted roadway. Happy to pay a bit more for the piece of mind....
Cheers
Phil

[butane8 Avid PP Poster! Find all posts View Profile Close butane8]

good you asked the question, cheers butane

[rwo Advanced Member Find all posts View Profile Close rwo]

I am about to bite the bullet on a new set of tyres for a 150 GXL and need to find out if the engineering thing is required.

I just sent an email to an engineer regarding 265/70/17's. His reply was basically "since the vehicle is fitted with ESP then no modifications can be made, not even changing to same size yet different pattern tyres as that *may* affect the ESP", sounds a lot like VSB14, which AFAIK was not even approved in NSW, yet...

So what's the go, does anyone know for sure what we can modify or is this still all guess work?

[Peterpilot Avid PP Poster! Find all posts View Profile Close Peterpilot]

AFAIK, current NSW legislation has not adopted VSB14 and the limitations for tyres in NSW are in VSI09. There is no mention of VSC, ABS or TC in VSI09 and therefore 15mm over the largest placarded tyre diameter applies regardless of electronic aids with NO CERTIFICATION REQUIRED:
http://www.rta.nsw.gov.au/registrati...vsi09_rev4.pdf

To fit tyres larger than a 15mm diameter increase requires certification. If an engineer will not certify that which requires no certification, then he is completely useless.

[DGW Senior Member Find all posts View Profile Close DGW]

My 150 is engineered with a nominal 50mm lift and 265/70/17's. The engineer had no issues with either and even complimented how well it handled.

I think the engineer who replied to your email just didn’t want your business, plenty more engineers that will happily certify it for you.

[rwo Advanced Member Find all posts View Profile Close rwo]

My 150 is engineered with a nominal 50mm lift and 265/70/17's. The engineer had no issues with either and even complimented how well it handled.

I think the engineer who replied to your email just didn’t want your business, plenty more engineers that will happily certify it for you.

Any chance you can post or pm contact details?

[DGW Senior Member Find all posts View Profile Close DGW]

rwo,

Hope this helps.

The engineer I used was Terry Toomey - http://www.terrytoomey.com.au/

NSW licensed certifiers list - http://www.rta.nsw.gov.au/registrati...ads/vsccs.html

[rwo Advanced Member Find all posts View Profile Close rwo]

Cheers mate, much appreciated.