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Moble 1 20w50 in all 3 holes?

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  #1  
Old 09-21-2007, 10:03 AM
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Default Moble 1 20w50 in all 3 holes?
I have a 07 EGC and I know it had been beat to death and dont have a lot of time so a quick question can I run Moble 1 20w50 in engine, primary and trans? Sorry for another oil question.
 
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  #2  
Old 09-21-2007, 10:08 AM
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Default RE: Moble 1 20w50 in all 3 holes?
You can...........but I wouldnt.

Run it in the engine and tranny if you want.
In the primary, stick with an oil made for it, like HD primary oil.

Me?
Engine - Syn III
Primary - HD primary
Tranny - Mobil one 75w90.

Smooth as silk.
 
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Old 09-21-2007, 10:09 AM
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Default RE: Moble 1 20w50 in all 3 holes?
short answer? yes

I'd use gear oil (either Synthetic Gear Mobil I 75-90W or Mobil I 75-140W) in the transmission and I personally did not like the Synthetic Mobil I V-Twin in my primary either.
 
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  #4  
Old 09-21-2007, 10:11 AM
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Default RE: Moble 1 20w50 in all 3 holes?
answer YES

and I am currently doing it. running fine and smooth . no issues

 
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Old 09-21-2007, 10:14 AM
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Default RE: Moble 1 20w50 in all 3 holes?
YES!
 
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Old 09-21-2007, 10:19 AM
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Default RE: Moble 1 20w50 in all 3 holes?
Go ahead and put the Mobil 1 gear oil in the tranny thats what I use and it works great.
 
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Old 09-21-2007, 10:22 AM
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Default RE: Moble 1 20w50 in all 3 holes?
Yes, but I use V-twin in the crankcase, formula+ in the primary, and Mobil one 75w-90 gear oil in the trans.
 
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Old 09-21-2007, 10:24 AM
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Default RE: Moble 1 20w50 in all 3 holes?
20-50 in primary and motor is fine, but you need 75-90 or more in tranny, 20-50 will work but harley doesnt even reccomend it anymore they went back with formula + which is a 50 weight but with other shear agents added.
 
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  #9  
Old 09-21-2007, 11:34 AM
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Default RE: Moble 1 20w50 in all 3 holes?
I run mobil 20w-50 in the engine, but i use the 75w-90 in the primary and tranny.... works for me.
 
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Old 09-21-2007, 11:41 AM
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Default RE: Moble 1 20w50 in all 3 holes?
I'd run the Mobil 1 75W-90 gear oil in the tranny. Costs the same as a quart of the 20W-50.
 
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