The cv head was rebuilt.
If that wasn't done right then its out of balance, see your local driveline shop and have the shaft balanced.
If it starts at 62 and gets better say at 75 or a bit faster the shaft is out of balance from whoever changed the joints and center joint
1995 Jeep gc ltd, 2005 Jeep gc ltd , 71 Dart, 73 RR 440-6pk, 78 Mag GT, 85 Power Ram W-350, 92 Daytona, 99 Dakota, 08 Ram 2500
Less than 8 is like playing with half a deck
Long Island Motorsports Association