Rebuilding
I build my own engines as it is cheaper and I have faith in my abilities. If I had a high dollar engine, I would bring it to a professional. I have the tools to measure and torque the engine, so my low buck engines are not a problem. How many of you people that build your own are confident in your tools? I am a calibration technician and my tools are all calibrated. If I measure the journal on a crankshaft, I know that the measurement is accurate. My torque wrench is also calibrated. Having equipment that doesn't give you accurate readings is useless. Even if you know what you are doing, without the correct and accurate tools, you are taking a chance. That is why I would trust a professional, but I would check on his ability to make good measurements. JMO.