by admin | Oct 30, 2026 | Off-Road and 4WD
Should you run all-terrain or highway-terrain for 80/20? Quick answer For 80% bitumen and 20% formed dirt, a road-biased all-terrain (or even a highway-terrain) tyre is almost always the right call — quieter, longer-wearing and more economical than an aggressive...
by admin | Oct 30, 2026 | Off-Road and 4WD
Why is bull dust so dangerous for tyres? Quick answer Bull dust is a fine, powdery outback dust that hides hard ruts and rocks, works past the tyre bead to cause slow leaks, and scours and corrodes the rim sealing surface. The danger is that it looks soft like sand...
by admin | Oct 30, 2026 | Off-Road and 4WD
What tyres handle sharp rock best? Quick answer For sharp rock and gibber plains, run light-truck (LT) all-terrain or mud-terrain tyres with a tough casing, and air down 20–30% below your highway pressure to let the tyre mould over rocks. Most failures out here...
by admin | Oct 30, 2026 | Off-Road and 4WD
What does a tyre “ply” actually mean? Quick answer A three-ply sidewall uses three thinner cord layers where a two-ply uses two denser ones. Three-ply generally lifts puncture and staking resistance for rock and remote touring, at the cost of weight, ride...
by admin | Oct 30, 2026 | Off-Road and 4WD
Quick answer: Bigger tyres make your speedo under-read — it shows slower than you’re really going. Under ADR 18 a speedo must never read below true speed, so a large upsize can put you out of compliance. A small step (1–3%) is usually within tolerance; a big...
by admin | Oct 30, 2026 | Off-Road and 4WD
Quick answer: Fitting 33-inch tyres usually raises a 4WD’s fuel consumption — as a guide, somewhere around 5–15% depending on tread, weight and gearing. Taller tyres effectively raise your gearing, add rotating mass and, with aggressive tread, increase rolling...
by admin | Oct 30, 2026 | Off-Road and 4WD
Quick answer: No — fitting bigger tyres does not automatically void your new car warranty in Australia. A manufacturer cannot blanket-cancel your warranty for a modification, but under Australian Consumer Law it can decline a specific claim if it can show the...
by admin | Oct 30, 2026 | Off-Road and 4WD
Quick answer: A two-inch lift on most Australian 4WDs allows roughly one tyre-size step up — often to around 33 inches on common utes and wagons, though guard clearance varies by model. Choose an all-terrain or LT-construction tyre with the correct load rating, keep...
by admin | Oct 30, 2026 | Off-Road and 4WD
Load Ratings After a GVM Upgrade: What You Legally Need Quick answer (TL;DR): After a GVM upgrade your tyres must be able to carry the new, higher mass. The combined load rating of the tyres on each axle has to meet or exceed the axle’s rating, which often...
by admin | Oct 30, 2026 | Off-Road and 4WD
Do You Need LT-Construction Tyres? The Honest Answer for Australian 4WDs Quick answer (TL;DR): LT (light-truck) tyres have tougher, heavier-ply construction and higher load capacity than passenger (P-metric) tyres, with stronger sidewalls for corrugations, sharp rock...