*sigh* @PART[ionEngine] { @MODULE[ModuleEngines*] { @atmosphereCurve { !key,1 = delete !key,2 = DELETE } } } Install ModuleManager, copy this, paste into notepad, save in GameData directory as IonISP.cfg, watch your ion engines have pre-1.0 ISP curves, and stop begging Squad to change the game just for you. This is why games are moddable.