The new mounts are in and the results are astounding. It feels like an electric car compared to the way it was. Idle vibes are gone. Floor board vibes I was getting at varying rpms are gone. The Jeep is overall much much quieter at all speeds and just plain smoother to drive. Mopar mounts are the way to go.
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I also trimmed the frame bracket for the mounts because the motor bracket and frame bracket were touching. Getting a grinding wheel in there was a bitch so the cuts aren’t beautiful. But I have lots of clearance there now.
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Sounds like the rough country lift blocks are already cut and clearances for the bolt head on the passenger side. I think some other brands you need to trim the lift block to clear
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When installing motor mount lift blocks like this, don’t forget to cut the motor mount studs enough that the extension bolt fits snug against the motor mount. I cut about 1/4” off with a cutoff disc, then used a filed on the edges so it would thread on nicely, then some red loctite.
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