I bought this car several weeks ago, and have solved all of the issues except this one.. There is a pretty significant driveline vibration that starts at 45MPH, worst at 55MPH, and goes away, or becomes less noticeable at higher speeds..

It appears that both flex discs are new, or have very recently been replaced..

How in the world can go about starting to solve this??? Should I just take it to a shop, and say "fix this", which is not really my stlye??

Jay..

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