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Time for a motor mount upgrade. Suggestions?

Cadillac CTS-V - LS1TECH - ls1tech.com
Its time to replace the motor mounts on the V. The previous owner bought creative steel poly mounts for it and complained about some vibrations. His fix was to remove the Creative steel mount from the passenger side and reinstall the factory mount and leave the Creative Steel mount in the driver side. The creative steel mount is split and has some movement in it and the passenger side factory mount is significantly dry rotted but not yet busted or separated. There was no heat shield installed on the creative steel mount. Ive noticed the car vibrating/slightly shaking to a halt when i shut it down. Thinking this is due to the split motor mounts. Also with the engine revved to 2k rpm sitting still i have a vibration that stays whether the clutch is engaged or disengaged or if im driving or not. Im thinking this is due the motormounts as well. Thoughts?

The mods on my car are: Long tube headers, x-pipe, no cats, into stock mufflers with QTP cutouts. LS7 Flywheel and clutch kit, CAI, Straub Trunnion Upgrade, 1 piece aluminum driveshaft, g-force axles, poly trans mount (looks like old style creative steel mount), powerbond 25% underdrive dampner, Gen 4 diff with revshift bushing, and a tune. 145K miles. What motor mounts do yall suggest? Ive seen a lot of people running UMI, Creative steel, and Revshift although I was not able to find Revshift mounts online. I plan to install a tsp torquer v2 cam in the near future so ill need a pretty decent mount. Any suggestions are greatly appreciated!


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