Possibly the most significant change ahead of bus deregulation was the ending of the old Glasgow Corporation monopoly boundary, around about the end of 1981/early 1982.
This meant that the general restriction on Scottish Bus Group services not to carry local passengers within the monopoly boundary was lifted - previously all such traffic had to use Strathclyde PTE buses.
It's not specifically about either of the areas mentioned, but this article from the Commercial Motor archive is a good jumping off point:
'• The Glasgow 1930 monopoly under threat' first printed in the 14th November 1981 issue of Commercial Motor
archive.commercialmotor.com
Whether either area benefited from access to SBG services , I can't remember - SBG timetables of the era gave no route details and were generally without maps. And I can't remember at what point longer distance routes may have been moved from arterial roads to the new dual carriageways that were being carved through some of the inner suburbs.
Springburn was certainly served by SBG from 1986 - Kelvin even ran a local minibus service, the M4.