Here are two questions 1) What if I don't know the original place of each valve cap? 2) How the hek am I suppose to check the valves with a filler gauge, I don't even have the specs to do that! In the manual, the specs refer to a procedure that I've never heard of which is to put some plasticgauge ( ?) on the cam and to measure the width of the mark.... Thanks for your help!