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Flapping sound when over 5K RPMs

Is it actually rpm related, or speed related? Try getting it to flap, then up-shift but stay at the same speed. I'm guessing it's speed related, and you've got a

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Old 12-18-2015, 06:22 AM   #7 (permalink)
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Is it actually rpm related, or speed related? Try getting it to flap, then up-shift but stay at the same speed. I'm guessing it's speed related, and you've got a loose plastic undertray (like stated above). Mechanical noises are usually whines, grinds, knocks, squeals, etc... not flaps.
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