I am new to the forum. Here is some information from Fluidampr's install instructions. If you need the complete instructions let me know and i will get it to you. But yes the others are correct you must get new torque to yield bolts, not only for added protection but not to void warranty.
Performance Diesel Installation
• Install the Fluidampr and torque the bolt or bolts properly as per the original manufacturers’ torque or torque to yield requirements.
• Install the accessory drive belt, fan and shroud as per manufacturer’s instructions.
Part No. Engine Bolt Torque
890101 Chevy DuraMax 6.6 L 2004 Up 74 ft-lbs plus an additional 90 degrees
920301 Dodge Cummins 5.9 2003 & up 30 ft-lbs plus an additional 60 degrees
960301 Dodge Cummins 5.9 1998 to 2002 30 ft-lbs plus an additional 60 degrees
960311 Dodge Cummins 5.9 1992 to 1998 30 ft-lbs plus an additional 60 degrees
720211 Ford Power Stroke 7.3 212 ft-lbs
870201 Ford Power Stroke 6.0 50 ft-lbs plus and additional 90 deg
WARNING: FAILURE TO USE PROPERLY TORQUED BOLTS WILL VOID WARRANTY AND COULD RESULT IN DAMPER, KEY, OR CRANK DAMAGE.