What is the corerct amount of air needed to inflate rear air shocks for proper ride height?
As ride height can change with different loads that will be an almost impossible question to answer, that is why they put in a load sensor to add or subtract pressure depending on the load at the time on the stock system. So all you can do now is put air in until the vehicle levels out and then adjust it as the load changes, ie stuff in the trunk, more people in the car, full fuel tank stuff like that.
Use trial and error. Fill the gas tank and inflate the shocks to 50psi. Add or remove air as needed to make the car level. My '68 Fleetwood had that set up too. Only problem is as the gas tank empties the back end will raise. Or if you have passengers you'll have to add air. HTH. -Jim
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