new heads and valuves and Knocking noise

[soundguy]

hey guys I’m having a low pitched knocking noise coming out of the motor the car has new heads from Subaru, new Brian crower Springs, retainers ,and Values, all new gaskets in Top end and oil pan, I have an 04 Subaru WRX with a EJ205 Bone stock outside of a K and N filter, Video Coming Soon any help is appreciated

[snaggleto0th]

why were the heads replaced? How many miles on the motor? What was the issue prior to replacing the heads?

[soundguy]

ended up it was a loose injector car drvies great now

[snaggleto0th]

yee haw! that would do it, the knock you were hearing was a missfire and I take it these engines make a more serious noise when a injector is bad.