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Help with type of oil

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  #11  
Old 08-15-2007, 09:36 AM
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Default RE: Help with type of oil

ORIGINAL: cHarley
<snip>
There are a number of people here running 75w-90 Gear Oil in the tranny/primary, some with 60,000 + miles on the bikes. Engine oils are formulated to handle the adverse effects caused by the combustion process in the motor. Gear oils are formulated to deal with the adverse effects caused by "shear" in a gear box.
Icompletely concure with what cHarley said. Switched to Mobile-I 75w-90 Synthetic, and the clutch and trannyis smoother and quieter. Can't imagine why they would recommend an engine oil in a trans unless they share the case like most metrics.
 
  #12  
Old 08-16-2007, 10:31 AM
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Default RE: Help with type of oil

I've started using Motorcraft 70w90 synthetic in my transmission....wow what a difference with the noise and smoothness....one of my friends that has been riding way longer than I said to put engine oil in it, but I didn't care for that idea. I figure that if it'llrun smoothin an axle of a Ford F-350 diesel than it'll work great in my tranny. lol

Rev. George.....Chattanooga, Tn
 
  #13  
Old 08-16-2007, 11:28 AM
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Default RE: Help with type of oil

Cheers Lee for that data link on oil,i found it a very interesting read.

I think everyone should read it,and it just goes to show that changing your oil to often is actually damaging your engine,it may make you feel better that you have changed it but your engine is certainly not feeling better
 
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