Quote:


The next number is some kind of sequence or production number that is usually about a 1,000 numbers less than the VIN sequence give or take a couple hundred, again too confusing and no rhyme or reason for me



FWIW, '69 LR sequence to VIN number differences can have a wider swing than 1,000. It depends on other factors.

Research continues....

Seeking:

1969 St. Louis plant VINs, SPD, and VONs.
Over 2,000 thanks to you!