My injectors have been shimmed to achieve a pop pressure of around 2300 psi, and today I heard a knocking. I pulled the injectors and tested them... Turns out one was sticking and one failed completely.
See the pic, but the cone on the end of the spring
shattered.
https://goo.gl/photos/8T8quBH9AmYrqV8w9
I'm wondering if it's from the higher pop pressure. I replaced the nozzles and seats, but I'm trying to determine if the issue is going to return.
Spenser