How about turning the rear mounts backwards? On mine the spring mount eye is toward the front. If you unbolt those and turn them around that would make for about 2-3 inches of extra wheelbase. The forward mounts would have to be cut and rewelded farther back.

Gun it and run it!
1981 CJ5,258,T-176,D300,AMC 20,Dana 30,Trxus M/T 31x10.50, Rancho 5000's, GroundPounderFab front bumper, polyethylene gas tank, aluminum dash, AutoMeter gauges

What this country needs is unemployed politicians.