I recently ordered a 9 piece set of variable length boring bars from LMS that can be used with my QCTP. So far the set seems nice but what i have bored does not seem to come out paralell. I do not really have a good way to measure the internal diameters right now. I say "it seems" because this is by feel sinc i cant measure. As i advance the boring bar i notice more resistance the deeper i go. Maybe im making mkre than it needs.to be though because so far the parts made (2 total) have fit together whell enough for my tolerances. Any thoughts? Also whats the best way to get the tool on center for boring?