TwinTurbo.NET: Nissan 300ZX forum - If your diff isn't making noise, there's nothing
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Subject If your diff isn't making noise, there's nothing
     
Posted by Guapo on May 26, 2009 at 11:41 PM
  This message has been viewed 331 times.
     
In Reply To Differential gear noise semi- dissertation posted by sbarge on May 26, 2009 at 11:32 PM
     
Message for the solid bushings to transmit.

I have solid subframe bushings in my NA subframe, and there is little to no gear whine. I did have significant gear whine, but that was attributed to a bad diff.

Basically, solid subframe bushings are fine for cars that have a differential in good shape, that have stock gears. Once you increase the noise produced by the gears either by a worn diff, or with the Leader gears, then yes, the solids will tend to transmit more noise.

Petz #2

"What's the point of having the car if you don't drive it?" - Mrs. Guapo 08/20/05

Jeeeesus Christ - my Dad (after a ride in my Z) 12/26/04

People have the right to freedom of expression. However, people also have the right to point and laugh- aliaZ 04/06/06

     
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