I'm replacing all the shocks on my car and am wondering if I need springs too. Without any air in the shocks, the car is sitting right on the stops in the back. I'm thinking the air shocks should be supplemental, not bearing all the responsibility for ride height. Does this make sense, or is it "normal" to be sitting on the ground without the help of the air shocks?
Maybe the springs are sagging due to the weight of the car and the passing of years. That happened to my 69. I solved rear almost sitting on the ground with new air shocks. Air compressor to keep level is broken so the mechanic adapted lines to fill circuit through an air valve, like those in the tires hidden under right rear fender. I have had no need to refill air as there is no leak. If I want to raise rear end just blow air through the valve or let air out if I want to get a "lowrider". I could make system more comfortable by installing a compressor so you can get rear end up and down just by operating a lever. Rockauto sells one that can be easily adapted.
I don´t know much about these limos but for sure they are noticeably heavier than standard version. Maybe they use standard springs supplemented by autolevelling air system.
Before i replaced my air shocks the car would sit real low when I would come out in the morning, But I'm not sure if it was hitting the bump stops. After replacing them it doesn't have any sag at all now.
Just for the heads up , since your new limo is armored , your standard shocks , springs may not handle the extra weight from armor ,I know experts will gladly help you out
Oh it's not armored. Not all Federal limos were armored. It's still quite heavy, though. It's a "V4U" car which means the max GVWR is 7,200 lbs. I assume GM put springs on it accordingly.
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