At the moment I have a 6600k paired with a 1070. 8gb of ddr4 2133. I did have 16gb, but one burnt out. I want to upgrade to a 9600k with my 1070 and also get 16gb of ddr4 3000mhz ram. Will that cpu and gpu combo push 1440p at a decent frame rate?
CPU upgrade alone would not give you much of an improvement.
You're upgrading from 4core/4thread to 6core/6thread. Torbo boost clock improvement is ~18%.
You'd have more improvement with upgraded GPU and more ram.