i did some more digging last night and it seems that for anthing with spur,spiral or bevel gears the 600w is whats recomended.even in winches and such.the 600w clings to the gear tooth face to cusion the impact of the next tooth on its inital contact where a gear lube is shed and just leaves a film for the sliding of the helical gear surfaces.
so my best guess would be gl for helical transfer cases wih the correct additive package for yellow metals and hypoid rear ends. im leaning toward the texaco 680 for spur and bevel..looks like the best combination of properties to me.i saw a reference to 1200w in steering gears but that may be too stiff in an evironment outside of the philipines..haha.the numbers 600w 1200w etc arnt a measure ov viscosiy they are product names..so get the data sheet.ill forward all the ifo i can..very cool on the 8eq project..im in proces of building one for my f60l
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