Mod Check
Free modification guidance for vehicle owners
In Australia, significant modifications typically need engineering certification. This includes suspension lifts over 50mm, engine swaps, major brake upgrades, roll cages, and structural changes. Minor mods like exhaust systems, wheels within certain specs, and standard replacement parts usually don't. Rules vary by state, so use our chat to get specific guidance.
Yes! Mod Check is completely free for vehicle owners. No sign-up required. We built this to help everyday car owners understand their modification options before visiting a professional. If you need official certification, we can help you find a qualified engineer near you.
Simply enter your vehicle details, select the type of modification you're interested in, and start chatting. Our AI has been trained on Australian Design Rules (ADRs), National Codes of Practice (NCOPs), and other vehicle standards. It will provide guidance based on official documents.
No, Mod Check is an information resource only. For official certification, you need to consult a qualified vehicle engineer. However, we can help you understand what might be required and connect you with engineers in your area through our Find an Engineer feature, or you can leave your details and we will have an engineer who would like to help you contact you.
Use our "Find an Engineer" feature to locate qualified vehicle engineers in your area. You can filter by the type of modification you need help with, as engineers are accredited for specific modification categories.
Ask ADR Pro
Professional reference tools for vehicle engineers
Ask ADR Pro includes 650+ Australian vehicle standards documents including ADRs (Australian Design Rules), NCOPs (National Codes of Practice), VSBs (Vehicle Standards Bulletins), Queensland Codes of Practice (QCOP), administrator circulars, and related compliance standards. The library is regularly updated.
The AI is trained specifically on Australian vehicle standards and provides citations for every answer. All responses are grounded in the actual document text. However, it's a tool to assist your research, not replace it. We recommend verifying critical information against the source documents.
No. Ask ADR Pro is a reference and research tool designed to help you work faster and more accurately. It does not replace professional judgement or official certification. You still need to apply your expertise and provide proper engineering sign-off for modifications.
Yes! Ask ADR Pro is available on iOS, Android, and web. Your subscription gives you access across all platforms, and your chat history syncs between devices so you can start a conversation on your phone and continue on your computer.
Pro subscribers get access to pre-built checklists and report templates for common vehicle modifications. These help ensure you cover all compliance requirements and provide professional documentation for your clients.
Ask ADR Pro subscribers can be listed on our Find an Engineer map, connecting you with vehicle owners looking for qualified engineers in their area. Contact us at support@ask-adr.com.au to set up your listing.