This is the fourth 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, continuing with this weekend’s Snowy River Caravans Tasmania Super 440.

Why setting up a car in Tassie is tough

The Symmons Plains circuit was always a thorn in my side during my seven visits to Tasmania as a Race Engineer. I never found the secret sauce for setting a car up to work across the entire lap.

While the circuit officially has seven corners, it's actually just three distinct sections, each with its own unique characteristics.