TOKYO, Jan 20 (Reuters) - Aston ‌Martin Executive Chairman Lawrence Stroll said on Tuesday the team is set to embark on ‌a "development journey" as Formula One readies for its biggest technical overhaul in decades.

Speaking in ‌Tokyo at an event to launch Aston Martin's partnership with Honda, Stroll had high hopes for the team's new power unit but acknowledged they would have no idea how it would stack up against their rivals until they get on track.