I had OME HD coilovers on the Frontier. Stock bumper, no skids and with the sway bar on. I also had SPC UCA’s and a 2” spacer. That setup with 33” Duratracs netted me 4+ inches of lift up front with no suspension contact. And The guys at Firestone were able to keep the alignment within factory settings. It was a stiff ride unloaded, but no skittering. Once the camper and front hitch basket were on, it rode like a dream.
With the weight of all the steel up front, it would probably ride like your MD OME’s did, before the bumper. You’ll gain some lift up front. Less nose dive while breaking. Not as likely to bottom out your travel off road. Better control of heavier wheels and tires. You would probably want to get another alignment.
Some would take the front sway bar off with the additional coilover stiffness. This would help with articulation off road. It may also give some additional body roll when on road. Some have said removing the sway bars will also make high speed maneuvers more unpredictable. (Think a rapid lane change on the hiway, avoiding debris or a stopped vehicle.)
The Frontier unloaded
With the camper and basket on.
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