Recently acquired a '74 40 and it has a mild lift. I'm trying to improve the ride a little so my son and I can spend a little more time in it around town and at the deer lease. I'm not going to see a lot of offroad action other than mud and sand. The springs and shocks both seem pretty stiff when I jump on the bumpers. I can't find any identifying marks on the springs but there is one spring that seems out of place and narrow that may be an add-on. The shocks are napa grande 60s that say gas charged. Can anyone give me ideas about figuring out if the springs need replacing. I'm probably going to go ahead and get a set of bilsteins. I'd also appreciate advice on which bilsteins to order and wether spring bushing replacement would be of much value. Thanks