The biggest advantage is better flow characteristics and bigger valves. Makes adding FI easier if you are willing to splice some wires. Cheaper than buying an aftermarket kit too.
1986 CJ7, 4.2 w/4.0 head, TFI-HEI hybrid ignition, Clifford manifold w/Holley 390 w/cold air intake, OBA (in work), 150 amp alt., 4.5" lift, Woody CV shaft, 4.10 gears - lunchbox in front, Truetrac in the back, twin-sticked, blower upgrade for running topless, keepin' it simple.
It's just a Jeep, and if you don't wheel it once in a while, it's not even that.