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Differential Differences....???

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Old Aug 19, 2009 | 03:24 AM
  #1  
iam me's Avatar
iam me
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From: Ojai, Ca.
Differential Differences....???

I was talking with a Ford truck enthusiast the other day and he warned me of a potentially rear end killing problem with different differentials.

He said that there are two rear ends, one takes regular gear oil and the other takes synthetic. And if you put synthetic in the regular rear end you'll kill it within a few miles.
You need to find out from ford which you have and use the correct fluid.

Does anyone know what he's talking about?
 
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Old Aug 19, 2009 | 05:59 AM
  #2  
SaikotikGunman's Avatar
SaikotikGunman
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From: Pennsylvania Wilds
I know you're supposed to put an additive in with the limited slip rears.
 
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