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Power Strokes
6.4 Tech
Odd Sound at RPM
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[QUOTE="tbsimmons, post: 1128277, member: 2026"] Pulled the fiver to a night shoot last night. Leaving a stop sign I noticed an odd sound. It is almost like a metal to metal howl. You have to be in 2nd or 3rd, TC unlocked and RPM above 2250 (Might be throttle and load though also) If you get more into or out of the throttle it goes away. Higher boost, lower boost goes away (Again might be because if you let off or get into it more it goes away) One the TC locks and I can load the engine up to 40+ PSI no odd sounds. I checked the up pipes and cant see any soot, the U bend for the Turbos, boots are new from Diesel Site and they have not budged. I am going to try another tune and see if it is tune related. I was on the Tow from Innovative which has been in the truck for well over a year. [/QUOTE]
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