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THE SOLUTION IS THAT THERE IS A SETTING IN KISSLICER>MATERIALS>FLOW ADJUST>MAX [mm^3/S] THAT IS SET TO 10 THEREBY LIMITING THE AMOUNT OF EXTRUSION PER SECOND. THE E3D FOLKS SAY YOU CAN PRINT IN HALF THE TIME USING A VOLCANO, SO I DOUBLED THE MM3^S/SEC AND SAW A SIGNIFICANT INCREASE IN AVAILABLE ...

Forgot, it's KISSlicer PRO v1.5 2.20 Win64

Again, I've been using it for months without issue

Used KISSLicer for several months and love it...use nothing else. Suddenly, it decides it will not allow printing at speeds above about 17mm/s. I can set it for any speed I like, but when the slice is done, the time to print works out to a maximum or 17mm/s every time. I can go slower, just not any ...