True, but the better tools in the hands of an experienced tech can do the job correctly in a short time. Fifteen grand and fifteen miles don't make you a biker. Expensive tools don't make a tech. But an experienced tech with the right tools doesn't need days to prep a system, only a few hours...
Came across this post looking for torque settings for various flare fitting sizes for mini spits. Old but UGGH! Concerning leak testing, the pros often have high end electronic gauges that can monitor for small leaks in a short amount of time. They have equipment and products that can measure...