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so after grabbing my logs. my fuel pressure seems pretty constant. however im still getting some studder/ predetonation at WOT. could this be injector seals? or hpfp internals seizing? not getting any cel's

I will perform test again today. To confirm the correct testing method of relief valve: just get engine up to normal operating temps, turn off car, Key on engine off, if relief valve is bad, pressure should slowly drop. correct? I will try to grab some WOT logs today. Hesitant to do WOT until I...

So after searching and reading some threads, im still confused on what could be causing my fuel pressure to drop. I am 90% sure it is the relief valve that is the culprit but my symptoms are to inconsistent to be sure. Im pretty much fully bolted, one step colder plugs gapped to .28, with 2...

Yeah...I know. It's just about to be summer. But I've been wanting to install an occ for awhile now. Ultimately decided to install that and another can to run a dual setup with the Damond PCV plate once i finally gather the remaining parts to go big turbo. This is my daily, and i only have a...