i dont kno were it goes so if sumone is doing the same thing as me can you please take a picture or if you have a detailed pic can you please send it this is like the first time im working on an engine or anything and i dont really now what im doing....thanks

 

Between the top of the valve stem and the rocker arm....

 

what are you checking anyways? You can put a feeler gauge anywhere you want but it depends on what you are looking for...