These are the 3 most important tools you'll need when tuning an electronic Quadrajet or Dualjet carburetor. I wish I knew about all of them when I first started doing this!
Links to tools:
Flexible carburetor tool:
https://www.amazon.com/Performance-To...
GM Computer Controlled Carb Tool (w/ 2.5mm hex):
https://www.otctools.com/products/gm-...
Carburetor Float Gauge:
https://www.summitracing.com/parts/sm...