Get the MSD digital window switch.
I run Awsfa-12c Motorcraft plugs. 2 step cooler
Run the stock tune for 100 and less.
Go ahead and pick up a FPSS, only $50.
You might want to get a wideband a/f meter while you are at it, just to be safe. Also a bottle opener, purge, heater, 2 1/6" N2O...