This is an exclusive pre-event Supercars.com column by championship-winning Race Engineer Scott Sinclair. Sinclair will preview and debrief each round of the 2025 Repco Supercars Championship from his own perspective.

I never won Bathurst in my 13 attempts, so I can't say with authority what it takes to win. I can, however, share what not to do.

I could also bore you with at least 10 stories about how luck was against us and how we could have won, but the reality is, you need more than luck.

The car set-up trap