Quote:
Originally Posted by eatont9999
If it smooths out when you rev it, check the motor mounts. If it gets worse the higher the RPM, check the torque converter.
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It smooths out when I put the car into Park or Neutral, and when I let my foot off the brake. The ride on the highway is much smoother than it used to be. Before the swap, I would get an annoying amount of engine vibration and a low end growl between 2700 and 3100 RPM, and then the engine would get quiet and smooth when I hit 3200 and above.