Air shocks
Do not run air shocks on your A body. This is a well documented no no.
Balderdash ...
Dual inlet air shocks, when used correctly, compliment stock or even SS springs, and the pinion snubber.. They are a quick, easy way to fine tune the rear suspension to pre-load and adjust,, similar to Nascar jacking bolts, or changing tire pressure 1/2 a pound.. AND if you happen to have heavy friends, can be adjusted to clear the pinion snubber..
You don't have to run them with a million pounds in 'em,..
some do,, but you don't have to.
I run mine at about 20 lbs. daily, just enuff to keep air in them, -- when I race, I jack the driver's up about 5 lbs. (to help clear the slicks), and I put 10 to 15 lbs. on the right side,, set line loc, and lay a little patch, then check my tire pattern,, and adjust air as nec..
