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Message: [QUOTE="KCTurbos, post: 1110224, member: 13852"] Well I was spending some time on the dyno today. We loaded up a more aggressive tune and ran the truck hard. Truck was making great power during the run... but when I came back down to idle I could tell the truck was missing. Autoenginuity shows no codes. Passed buzz test. Cylinder cont shows normal. So i drove it home. It smoke pretty good and make a bunch of racket, then seem to run fine. It would miss and then run fine. I got home and looked into it more. No puffing out the oil fill (very little blow by). No puffing from air intake. Engine seems to idle "ok" but you can tell something is off. Its making a weird popping/knocking sound that you cant really hear over the sound of the motor... but you can hear it coming out the exhaust. Since it is coming out the exhaust I am guessing maybe bent exhaust valve. Maybe I had a valve kiss the piston. :doh: :mad: Anyone ever heard this noise before? I made a video of the noise coming out the exhaust. (it was dark so no picture, only sound) [url]https://www.youtube.com/watch?v=ZZ0thgvatmA&feature=youtu.be[/url] Anybody have some wisdom for me? [/QUOTE]

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