I only PIC a 4 seat single, and if I had to do my run ups twice, for whatever reason, i would do them regardless of time constraints.
There are plenty of folk here who would say.....read about this accident, what about when......
Maybe your PAX dont have much to live for, but if you do.....dont stress over them being a few minutes late. If its that desperate for time, and you have the fuel, do a few more knots, fly a straight in approach at the other end. The few minutes it takes to do your checks is not time wasted in my opinion.
Better to be late to your destination than on time for your funeral!
J
