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Thanks for all the suggestions. Everything is fresh. Triple checked valve adjustments this weekend, maybe a hair loose, but not really. Very familiar with 911 engine noises. Something is not right. Did the screwdriver/engine ear thing. Cant really pinpoint a specific cylinder or area. Only ran for about 15 mins then 2 miles. Oil pressure seemed fine, did not get oil up to temp by any means. I'm gonna check valve/piston clearance next (but that wouldn't be at low RPM) I'm gonna replace the tensioners (they are old) just to rule them out but gut doesn't think that's It (hoping gut is wrong) If still noisy then I'll try do to a video/sound. No misfires short drive ran fantastic good throttle response
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