Not a wof issue (as far as I can tell) more of a tax evasion thing.
https://vehicleinspection.nzta.govt.nz/virms/in-service-wof-and-cof/general/vehicle-interior/speedometer
Odometer doesn’t have to work for wof. But buyers might be wary of how many kms it has actually done. Probably no a big issue for an old car tho.
Speedo must work for wof.
Some have a sensor on the fuel pump
or get one of these
http://www.anythingelectronic.co.nz/aenz/index.php?main_page=product_info&cPath=1_5&products_id=245
Should need Cert. just make sure it won’t hurt any one.
https://vehicleinspection.nzta.govt.nz/virms/in-service-wof-and-cof/general/vehicle-exterior/external-projections
also see tables on that page.
New rules come in June 1st. Can’t have LED or HID in a headlamp that wasn’t designed for it.
If you replace the whole headlight with one designed for LED (like a 7 inch round job) it’s OK, as long as the beam pattern is all good.
Firstly fail for raising a car.
To use a block to raise a car the diff will need to be under the leaf spring.
Just removing the block will raise it by the thicknesses of the block. You will need to shorten the u bolts unless they don’t have enough thread.