The Corvette E-Ray is dead, long live the Grand Sport X

Engine compression ratio raised the compression ratio to 13:1 new small-block engine is specified at 13:1.

Engine cooling design improved cooling around valves and spark plugs listed as one of the tweaks enabling the higher compression ratio.

Fuel injection system optimized the direct injection system identified as a change supporting the higher compression ratio.

Engine controller equipped the new LS6 with an E94 onboard engine controller, e94 provides faster onboard processing using the same sensors.

Knock control system increased knock detection and reaction speed extra processing power lets the system detect and react to knock more quickly.