what could be wrong?

[jbrewer]

I know I have posted this before but after listening to other idi engines on youtube mine seems extremely louder than the others what do you guys think?

http://m.youtube.com/index?client=mv-google&desktop_uri=/&gl=US&rdm=4oholj500#/watch?v=a0VL97nmh9g

 

[Clayton]

Link isn't working for me.