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Check the coil springs, any breaks or cracks in the lower part of the coils? The top bearing plate gets worn so yes replace it, the coil spring top plate also rusts, so replace them . You should be able to either rent coil spring compressor, I bought a set, $35.00 at HF
OP kinda lost me blaming potholes on political ideology. All the comments here are accurate and insightful, and yet based upon the conversation so far, I think his best bet is to find a reputable chassis shop and explain what he wants. Maybe they can figure out what’s under the 2.2 and duplicate it.
What about the compressed lenght? Information provided by rockauto says that the Monroe has 11.02 inches, KYB 10.55 and the ACDelco has 13.5 inches when compressed. Would that account for the taller stance of the vehicule? On the picture of Oldblue both HHR have very low stance with the KYB struts.
Shock absorbers HAVE NO EFFECT on ride height. However they need a longer travel if you increase the height WITH SPRINGS. Longer springs will increase bounce and sway.
Stop worrying about any difference between FE1 and FE3. If there is any difference it is in using old fashioned "Standard" shocks vs. "Premium" shocks. I don't think they make the different grades in gas shocks anymore.
You should be able to borrow or "buy and return" spring compressor at any auto parts store. Harbor freight has them for $32.99.
Bottom line is you are not going to get "the exact same" ride if you do anything to it. Raising it will make for sloppy handling and a tendency to roll over. If you want a high soft ride get a Escalade and let some air out of the tires..
Here are the front shock part numbers. All of the other suspension parts have the same part numbers (including rear shocks).