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Old 08-28-2021, 02:08 PM   #24
FrickingReallySlow
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Join Date: Jun 2021
Drives: 2015 FR-S
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You can try to back out your mounts/bushings and inserts to see if the vibrations shift or go away. I suspect that it will but could be PITA to do again. if it does alleviate the problem, have to decide which of the two things you want to keep

Quote:
Originally Posted by StraightOuttaCanadaEh View Post
Yes I have Perrin engine mounts and trans support and the Whiteline diff bushings and shifter insert. The fact that it appears at precisely the same speed every time (unless I'm driving uphill or downhill - then it's sooner) kinda makes me think it's got an inherent flaw. Then again the previous owner didn't say he had any NVH issues. I don't remember who he was now, would've been useful to ask him if he had any bushings. Perhaps we should create a poll
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