Engine Rebuilding Workshop

Vehicle owners, classic and performance car enthusiasts, small trade and delivery fleets, and mechanics who sub out engine work.

Fixed or quoted price per rebuild covering labour, parts and machining, plus extra for upgrades, diagnostics and engine removal and refit.

• Qualified mechanic or engine builder background
• Precise measuring and attention to detail
• Clear quoting and customer communication

• Public liability and a garage keepers or products liability policy to cover customers' vehicles and your work
• Council zoning and approvals for a mechanical workshop, plus rules on noise and waste oil, coolant and solvents disposal
• Check whether your state requires a motor vehicle repairer licence or registration
• Warranty claims if a rebuild fails, so keep detailed records and written terms
• Cash flow, as parts costs are paid upfront and jobs can take weeks

Startup costs are typically estimated at around $15,000 to $70,000, depending on the size of your rented unit, the tools and measuring equipment you buy, and whether you machine parts in-house or send them out.

Monthly revenue is typically estimated at around $4,000 to $20,000, depending on how many engines you complete, the type of work, and your pricing. Parts costs are paid upfront and jobs can take weeks, so watch cash flow.

Things to check: whether your state requires a motor vehicle repairer licence or registration, council zoning and approvals, and rules on disposing of waste oil, coolant and solvents. Also check garage keepers and public liability insurance, and keep written warranty terms.