FIA closes off backdoor route to obtain rivals’ F1 engine secrets

F1’s car makers are currently working on the design of the new turbo-hybrid power units that will come into play from 2026.

While the basic formula of the 1.6-litre turbo-hybrid ICE will remain the same, the power balance between combustion and electrical energy will shift.

F1 is doing away with the MGU-H, and is aiming for a straight 50/50 power split between batteries and the ICE.

The changes will require all-new engine designs, and that has…