The easiest and most reliable way to speed up G-body windows is to do a 5-minute Window Turbo install:
https://proraceeng.com/wt140-window-turbo/
The videos tell the story.
Price: $174.90........for a relay that is kind of expensive, it cost me under $20 to turboize my windows.
that was your first post, do you own a G body?