When doing a link and sync "maximum spark advance adjustment" my manual (Clymer) tells me to start the engine and put it in forward gear to between 5000 and 5400 RPM's. Can this be done in a trash can with a hose running to it because I can't imagine the amount of water that is going to fly around or is do I have to install a "test" wheel with ear muffs. The only other way is to do it on the water and I can't imagine a shop having to hook up all the timing light gear just to set this up. This is a great site and I have already learned tons. Thanks goes out to everyone.