Ok I haven't read all that's on your site so excuse me if some of this is repeated.
What new for 82 from the confidential salesperson guide...
6.2 liter diesel with 130 SAE net hp @ 3600 rpm and 240 SAE ft/tq for p/u chassis cabs, Blazer 4x4's and Burbs.
5.0 "2bbl" discontinued.
Auto with O/D offered on select C/K 10 and 20 models.
Chrome front bumper standard
16" wheels replace 16.5" wheels on C/K 20 and 30 series
8 ft stepside box no longer available on C/K 10 series.
Blazer- Soft top option discontinued
And as we all know this was the last year for the 2wd Blazer C/K in the 73-87 series....