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Two guesses: 1) The piping is moving a lot at certain RPMs and load and striking something on the frame or other parts of the car. Try adding some weight
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04-18-2015, 06:07 PM
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#5 (permalink) |
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Two guesses:
1) The piping is moving a lot at certain RPMs and load and striking something on the frame or other parts of the car. Try adding some weight at different points in the piping to dampen resonance. 2) Internal resonance as you talk about in the OP. Adding a little restriction may help but may just move the "rattle" to a different RPM. Good luck figuring it out.
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