They are talking 450 hp but there seems to be an awful lot of new engineering for 20 hp. Of course, if they hold back some, they have something left for the next time they want to up the hp. Think of the LS1, LS2 and LS3.
Is the Gen V Engine’s Combustion System Really New? - LSXTV
Is the Gen V Engine’s Combustion System Really New? - LSXTV