Honda outlines Zandvoort ‘spec 2’ engine update
Honda said it has reached a key objective with its updated power unit and explained the ‘spec 2’ changes introduced at Zandvoort. Reports also said the development addressed claims of a 50bhp gain for Aston Martin.

Multiple outlets reported on Honda’s updated power unit package at Zandvoort, referred to as its ‘spec 2’ or B-spec engine. RaceFans highlighted Honda’s explanation of the changes made for the event.
PlanetF1 reported that Honda had met an important target with the revised engine. Its coverage also said the update was discussed in the context of reports about a 50bhp gain for Aston Martin.
Across the reports, the common factual points were that Honda introduced and explained a revised power unit specification at Zandvoort, and that the company said a key development target had been achieved.