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Re: Wrong Fluid!
The actual "w" numbers for synthetic products far exceed the designations
I use Amsoil synthetics in all my vehicles and although I was an "unbeliever" in anything other than real oil (which has more additive packages in it than oil).
Some years ago I was involved in a top fuel dragster operation... At 7000hp, engine bearings would come out black after a few runs (if we didn't blow it up) I began running synthetics and NEVER had black death on a bearing ever again. The synthetic lube you had in your transfer case is slick enough to get into even the closest fit components. A synthetic is more molecularly stable than conventional oil and will not "shear" (destruction at a molecular level which causes loss of lubricity) A synthetic will also "stick" to parts and not drain off, offering cold run protection. I use a 0W 50 oil in my engines... It pours like hot coffee even at below 0 temps, yet protects like a 50 weight oil even above the boiling point of conventional oils. If you took the synthetic out, no problem. The residue mixes with any oil. If it's still in, leave it there.
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