Definitly the block heater, without it your dead in the water. Plus I have a spare yellow top optima behind the pass seat that is used for the winch and the stereo that I can run booster cables off of. Don,t do much wheeling in these temps though, it,s a little dangerous if you have a breakdown.

84 CJ7 304 HEI 35 BFG,s rear dana 60 with detroit locker,Viar compressor, fibreglass body, 2 1/2 spring lift, TF999auto, Warn 8000 winch, Plus a cool little trailer on 35,s. JEEP stands for just empty every pocket