[The Black Stig]

Originally Posted by DGthe3

Optimization for variable valve timing, active fuel management, and direct injection and allowance for homogeneous combustion combustion ignition (basically, a gasoline engine designed to diesel). The blocks will likely be strengthened based on lessons learned from the LSA and LS9. Possible 3 valve pushrod high performance engines. Lots of things they can do.

All of that would be done within the head. Not on the block.