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Discussion Starter #1
I am installing new motor mounts in my car anyway, and I was wondering if I could use the Urethane mount inserts from energy suspension and still be legal in stock class. I know that you can't use urethane bushings in the suspension, but I haven't heard about the motor mounts.
 

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No, you can't use ES mounts in Stock or in STS (which stinks). It is ridiculous to me that a $30 set of mounts, move you all the way to Street Prepared, but there's not much we can do about it. :( I bought the mounts, too, and could probably put them in without anyone ever knowing the difference (and a lot of people do), but I don't wanna cheat. In STS most people don't even care if you do run them.
 
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Discussion Starter #3
Will the motor mount bushings make noise like urethane bushings in the suspension? Are the ES transmission bushings legal in stock class?
 

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The bushings will cause more vibration in the drivetrain, but I don't think they squeak. The transmission mount is considered the same as the motor mounts, I think, but not the shifter bushing.
 
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