What he is saying is that the tumblers are not responsible for what we on this forum call "the sticky key" - it is the redundant lock mechanism that is causing the lockup.

My second Crossfire locked up at a gas station right after I bought it - did the forum "Sticky Key" mod and all was well, until the car was lost in a wreck last summer. I"ve modded 5 or 6 cars since as a pre-emtive measure for fellow owners.