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Old 07-22-2009, 04:35 PM
  #807  
JimmyMac
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That's not necessarily true. Alloy deforms and holds it's deformity. Derlin will flex or give a little. With my aluminum diff, the on and off of throttle caused the pins on the bones to beat up the back side of the out drives. Therefore they wore out quickly. AW grease or lube will just reduce friction/heat and some wear, but it still will not reduce deformity/notching caused by the slapping of the pins. But another point of view would be that the grease causes the pins to stick to the diff. Therefore it will not slap as much. Blah blah blah. LoL

I dunno, you are the pro. So you can drive smoother/better than we can.
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