Final Cut Pro X :: Drops Frames Resulting In Thousands Of Clips

I have a Mac Pro, 2 x 2.66 GHZ 6-Core Intel Xeon machine with 24 GB of  1333 MHZ DDR3 memory. 

I have both miniDV videotapes recorded on camcorders as well as on JVC recorder. I also have S-VHS videotapes recorded on the JVC recorder (which is a dual recorder, with the miniDV deck on the left and S-VHS deck on the right) 

Whenever I try to import video from either deck (or from a Canon Elura camcorder) into FCP X, I get thousands of separate clips ranging from a few tenths of a second in length to 20 seconds or so in length. When these clips are loaded into the timeline, there is a video and audio stutter whenever the playback cursor crosses between adjacent clips, indicating that a frame or two or more has been dropped. Making a compound clip is no luck, the stuttering due to dropped frames persists. This makes it completely impossible to edit since no clip is long enough to be usable.

The dropped frames seem to be due to the program, not the cameras, tape deck or videotapes since the problem occurs across all camera platforms as well as the two videotape formats.  It's as if FCP X has a hair trigger in identifying some variance in frame rates that it judges to be a dropped frame, and immediately terminates the import of that little clip and goes on to the next import, only to repeat the same process THOUSANDS OF TIMES. The problem persists whether I record imports to my SSD startup disk, to my internal RAID, or to peripheral disks. 

This did not happen in previous versions of FCP using the exact same video equipment and tape formats but a different computer. There seems to be no way to tell FCP X to ignore any variation of time code and I'm concerned that this problem will render my current equipment and videotapes worthless.