Originally Posted by Bugsi
we had the same issue on our team NT11s, changing the spool spring solved the issue for all of them. You have most probably too high pressure which gives lots of kick and different sound signature. If you test it with a pressuretester it should show above 130psi... and that is too high... if you can get hold on a new spool spring pressure should drop down to 105-110psi..
ok thanks i'll try both of those things