This was just after I started up my truck. Didnt give it any fuel, just cycled the plugs twice and it cranked for a lil while till it started up rough. I dont know if its oil or what. I just put this turbo on, maybe it's leaking out of the turbo? I have noticed I hardely get any turbo whistle unless I put my foot into it pretty good, and then it lets off quick. I never had marks like this before though..
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