Honda Trackside General Manager and Chief Engineer Shintaro Orihara has revealed "secret" details about the manufacturer's upgraded Formula 1 power unit. Aston Martin hopes to convince Alonso to remain with the team into 2027 © XPB ImagesHaving tested the new Honda power unit following that weekend, Aston Martin will be eager to see further progress when action resumes in Zandvoort. "We changed pre-chamber to make combustion faster, and also we changed the piston shape to get good combustion. Article continues below ADVERTISEMENTArticle continues below ADVERTISEMENT"We are excited to bring the new Spec engine to the Netherlands." Aston Martin will additionally have some new parts in Zandvoort, with further upgrades expected for Monza and Baku, as the team looks to recover from a disastrous few months.