The current 2.2-litre twin-turbo V6s that have been in service since 2012 produce approximately 700hp on road and street courses, with a further 50hp available on push-to-pass boost.
IndyCar aims for the new 2.4-litre engines to have an 800hp baseline by 2025, with a further 100hp on tap from the KERS system.
Series president Jay Frye confirmed to Autosport that testing will …Keep reading