1.5 times the vehicles weight for a baseline of what your winch should be able to pull is what i've heard. mud sucking you down and getting over a rock can add a lot of weight.
1992 YJ 2.5 SOLD
2004 Grand Cherokee Special Edition 4.0
IRO 3",JKS BPE's,DoetschTech8000's,Tenneco SS,Cooper Discoverer STT's 245-75R16,RC wheel spacers,SSBC Slotted Rotors, IRO Prem-sliders...
A great place for outdoorsmen in the NW. www.hunting-washington.com Member Screen name- addicted