#001 - Jason from Jmacx - The First Coil Conversions. Is a 6x6 worth it? Electric for 4x4?

South Africa's biggest Cruiser builder lands in Brisbane. Jason, Tinnis & Liam from US Cruisers — our first international Just Autos distributor — on auto-converting the 79 Series, the "Bone Stock" Cruiser that humbles 400kW builds, AB60 vs 8HP, and rolling a LandCruiser 5 times down a sand dune.Follow Just Autos FB: / justautosmechanical IG: / justautosmechanical TikTok: / justautosDisclaimer Just Autos’ comments in this video are based on its opinion and industry experience and are developed to provide general information to our customers. These insights may differ from recommendations or specifications provided by Toyota or other third parties. Specific results may vary between vehicles. This video is not a substitute for manufacturer guidance. Always consult your vehicle manufacturer to ensure any changes are suitable for your vehicle and do not affect warranty.

In this episode of the Stay Tuned Podcast, Matt sits down with Heath from Harrop to unpack the story behind one of Australia’s most iconic performance engineering brands, and what it takes to stay relevant after more than 70 years in the game.From Melbourne drag racing roots and sports sedan history through to OEM-level engineering, Superchargers, ELockers and local manufacturing, this is a deep dive into how Harrop grew from a legendary Australian name into a serious global player.They also get into the bigger industry questions, including US tariffs, exporting Australian-made parts, emissions rules, EV mandates, diesel versus petrol, and where platforms like the 300 Series, 79 Series, Tundra, Tacoma and Patrol fit into the future of performance and 4WDing.Whether you’re into Aussie motorsport history, Harrop hardware, supercharger development, Toyota platforms or the future of the aftermarket in Australia, this episode is packed with insight.👉 70 years of Harrop history, from Len and Ron Harrop to one of Australia’s most respected performance brands👉 The early days of drag racing, sports sedans, Holden performance and tier-one motorsport👉 How Harrop grew into superchargers, e-lockers, castings and OE-level engineering👉 What goes into Australian manufacturing, quality control and supplying global markets👉 The reality of exporting to the US, Trump tariffs and shifting product strategy👉 Emissions regulations, EV mandates and why the market is pushing back on all-EV thinking👉 Toyota 86, Tundra, Tacoma, 200 Series, 300 Series, Patrols and where the market may head next👉 Heath’s personal journey from farm life and dirt bikes to finance, then into Harrop leadership👉 Why reliability, drivability and long-term product thinking still matter in the aftermarket👉 How the aftermarket can keep innovating while balancing regulation, compliance and customer demandFollow Just AutosFB: / justautosmechanical IG: / justautosmechanical TikTok: / justautos DisclaimerJust Autos’ comments in this video are based on its opinion and industry experience and are developed to provide general information to our customers. These insights may differ from recommendations or specifications provided by Toyota or other third parties. Specific results may vary between vehicles. This video is not a substitute for manufacturer guidance. Always consult your vehicle manufacturer to ensure any changes are suitable for your vehicle and do not affect warranty.

In this episode of the Stay Tuned Podcast, Matt sits down with the team from JMACX for one of the most in-depth conversations ever recorded about suspension engineering, GVM upgrades, touring setups, and the truth behind industry misinformation.From toe-in and bump steer to multi-mapping, towing safety, compliance, and why so many modern 4WD builds perform poorly on the road — this episode cuts through the noise with real data, real testing, and real engineering.Whether you tow, tour, build for customers, or just want your 4WD to actually handle properly, this episode will change the way you think about suspension forever. Topics Covered Why misinformation in the 4WD industry is at an all-time high Understanding suspension geometry: toe, caster, bump steer & track width The truth about GVM upgrades — and why some are unsafe Airbags, coils, leaf springs: pros, cons & the right applications Why weight distribution matters more than people realise How towing changes your entire suspension behaviour Multi-mapping, throttle behaviour & tuning logic Why “bigger” isn’t always “better” in touring setups JMACX’s testing process — on-road, off-road & engineering validation How to build a 4WD that handles properly and safely

In this episode of the Stay Tuned Podcast, host Matt from Just Autos sits down with lubrication specialist Rafe Britton to delve into the intricacies of engine oils and their impact on diesel engines. Rafe shares his expertise on lubricant formulation, debunks common myths, and discusses the development of a new oil tailored for the 300 Series.Topics Covered:👉 Why diesel engines are "surprisingly dirty"👉 The science behind lubricant formulation👉 Common misconceptions about engine oils👉 Data analysis from the 300 Series👉 The process of developing a new engine oilFor more Stay Tuned Subscribe!

We’re thrilled to host Brendan O’Grady from BSC Performance Melbourne, a powerhouse in the performance tuning industry. Brendan has an impressive track record in motorsports and engine development, making him a wealth of knowledge for enthusiasts and professionals alike.