I just got done fabbing up my first bag system on an old big body Benz. I jump in ready to get lifted and was sadly disapointed. She didn't lift much at all. I was reading about 100psi at each bag. I have 6" bags in the front, so according to some quick numbers in my head the two bags should be able to lift 2800x2=5600lbs. The whole car doesnt weigh any more than 4000lbs. What other factors could be stopping these things from lifting fully? I don't think the angles are really harsh. I know from using the jack that the travel isn't limited by anything. What am I missing?
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