strokinpower
New member
I have an early job 1 2008 f250 with 136k miles on it. Truck has minimaxx running 250 tune and 71/59 turbos. It makes a knocking noise most noticeable on startup after sitting a while like a couple days. It quiets down in less than a minute. Sometimes you hear it and sometimes you dont. I'm trying to decide to keep it or trade it. It's been a disaster that started 4 years ago with head gaskets then a year later cracked #8 and didn't know any better at the time so I just put a stock piston and rod in it (no damage to block) and a year after that I blew the turbos out of it. Anyway I took it to a local powerstroke specialist and they ran all the IDS tests on it and this was the results. He said relative compromise showed 0% on all cylinders and power balance with active fuel on showed dead even and with active fuel off fuel trim was + 6 on cylinder #7. Oil change before last I sent off for an oil analysis and it came back beautiful. I'm going to see if I can get a video of the noise