P1000 Lubricants

russknight

russknight

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Lifetime Member
Apr 13, 2019
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7,511
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Perry Florida
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  1. Other Brand

  2. 1000-3
Anyone running Amzoil synthetic in the engine and diffs? I'm wondering if it would help quiet the gear whine at speed?
 
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GlockMeister

GlockMeister

The Bearded Wonder
Lifetime Member
Supporting Member
May 11, 2016
7,606
35,593
113
Greenville, Mo
Ownership

  1. 1000-5
I put about 8-10 oz of Lucas stabilizer in the subtrans . In the front and rear diff i run half lucas and half 75-140 synthetic. Just the cheap stuff from Walmart
 
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russknight

russknight

Well-Known Member
Lifetime Member
Apr 13, 2019
1,910
7,511
113
Perry Florida
Ownership

  1. Other Brand

  2. 1000-3
I think I'll replace the diff oil with Amzoil 75-140 full syn. What about the engine and transmission?
 
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russknight

russknight

Well-Known Member
Lifetime Member
Apr 13, 2019
1,910
7,511
113
Perry Florida
Ownership

  1. Other Brand

  2. 1000-3
I just replaced the lube in the rear diff with Valvoline 75-140 full syn. Noticed no difference in sound level whatsoever. On another note, is it ok to run full synthetic in the transmission?
 
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