Comp cam makes a torque 4x4 Cam, comes with Hydraulic Flat Tappet rockers too, 60 k miles and no problems. Diamond pistons also makes a kit for the 4 liter would highly recommend them to.
I don't remember the horsepower torque numbers but it's definitely a big difference.
92YJ 2" BDS Lift, 34 12.5 16 TrXus MT's NV3550 ford 8.8, Rebuilt 4.0, Comp 4x4 Cam, Diamond high comp pistons few other bolt ons
MetalCloaks N 37" coming soon
When was the last time you got an adrenaline rush at 3 mph?