I have a 74 '40 I'm completing with an soa. It' got an NV4500 so the rear driveline is (going to be) needless to say, short. I've rotated the rear pinoin up to alleviate some of the angles, but I'm wondering about pinion bearing lubrication. The way I figure, in the stock configuration, (no rotation) the oil level in the rear end is actually above the bottom of the bearing, providing adequate lubrication. In my current configuration, I'd have to fill the axle half way up to get the same lubrication. I understand the gears splash the oil around as everything spins, but is that enough? I am going to move the filler hole up on the cover so it holds more lube, just how far/how much lube to I need to keep my pinion bearing happy? ??? thanks in advance for the help!!