pbrmeasap
Well-Known Member
Really curious as to the NVH at higher speeds. I run Daytona Rolex course fairly frequently and reach speeds in the 160's - 170's - so would really want assurance of no vibrations or potential issues during those higher risk sessions.Quick note: when I installed my qa1 and did my first shakedown, I didn't notice any Nvh. Top speed was only about 125-130, tho.
Between the shakedown and my first day at COTA, I had to drop the trans to replace a rear main seal. When I did my track day, I had some vibrations north of about 120.
After seeing this recent convo about angles, I went and checked mine and found that my trans had slid towards the driver side a bit in the rear. I loosened the mounts and pulled it back. Presto - no more vibrations.
If you're having any added NVH, it's probably something similar.
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