Some sort of rubber pads would be best. Most all the factory installed auxiliary transmissions I have seen have some sort of cushion mount.

You may find this Tech Tip helpful with setting up your drive-line angles.
http://www.stovebolt.com/techtips/driveline_setup.html

Grigg

Last edited by Grigg; 03/19/2008 2:12 AM. Reason: fix link
•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-