I strive for a very quick turn around, generally back on the way home in 2 days. This week I am at the end of doing 7 sets, and all but one that had a fuel needle seat issue that wouldn't cooperate while setting fuel heights have been within my quoted timeline. It wasn't easy, early mornings and late night, but the ultrasonic sure made the difference - it's cleaning one set while I'm dissassembling and prepping the next... Steve