You don't need to add any oil. If you have access to a charging scale charge the system by weight. Even though its got a expansion valve its really finicky about the charge and very easy to end up with a couple OZ too many or too little when charging with gauge/eyeball method.
2001 4runner SR5 - ARB Bull Bumper, Warn 9.5XP, GM CS-144 150 amp alternator, Tundra brakes, OME 883/891s, SS adjustable traction bar, B&M 70264, and too many ham radios and antennas.
2006 Jeep LJ - Stock down to the lug nuts
Last edited by FogRunner; 07-26-2010 at 09:10 PM.