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Mobil 1, 0w40 fs oil

 
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  #31  
Old 01-16-2018, 04:14 PM
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Originally Posted by y22c
20w50 oil at 0 degrees and SAE 20 at 0 degrees will have the same viscosity.

Wrong, a 20W50 and a 20W will meet the same viscosity specs at 0F

There is a BIG difference between a 20w and a SAE20
Ken
There is no such oil sold that is designated 20w.

The simple explanation, without getting all wrapped up in technical mumbo jumbo, is what I posted.

20w50 when tested at the low temp will have the same viscosity as SAE 20 at the same low temp (5.6 on the scale).

(The spec is SAE J300).
 

Last edited by Dan89FLSTC; 01-16-2018 at 05:12 PM.
  #32  
Old 01-16-2018, 06:40 PM
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Originally Posted by Dan89FLSTC
There is no such oil sold that is designated 20w.

The simple explanation, without getting all wrapped up in technical mumbo jumbo, is what I posted.

20w50 when tested at the low temp will have the same viscosity as SAE 20 at the same low temp (5.6 on the scale).

(The spec is SAE J300).
I am wrapped up in technical mumbo jumbo, you are still misstating fact.

A 20w oil and a SAE 20 oil are two different oils.

Call the chart wrong if you want.

It also includes the new SAE 16 for cars that are going to ask for thinner oils.

Ken
 
Attached Thumbnails Mobil 1, 0w40 fs oil-sae-j300-chart-png-_k25s6uy7.png  
  #33  
Old 01-16-2018, 07:08 PM
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Here are a couple of SAE 20 engine oils.

Ken
 
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  #34  
Old 01-16-2018, 07:54 PM
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I clearly said there is no such oil sold that is designated 20w.

20w is a part of a multi grade oil designation, not a stand alone oil.

The oils you are showing are SAE 20.

Please show us a container of oil labeled 20w.

This is a far as I care to go with you on the subject, I`m sure this has bored every poster and viewer to tears. Whatever you say is fine with me.

Feel free to sit at the front of the class next to HDSlimJim...
 
  #35  
Old 01-16-2018, 09:25 PM
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Thanks Dan, and seriously to you y22c whatever the f*** you are get the f*** off of my f****** thread you dick so I made one mistake and you jumped on it your douchebag stop f****** arguing with every goddamn f****** comment get the f*** off my post
 
  #36  
Old 01-16-2018, 09:27 PM
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Y22c. U must be one of those trolls guys talk about round here... Your nothing but a bugger. You cheeky sod.....
 
  #37  
Old 01-17-2018, 02:51 AM
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Originally Posted by 98hotrodfatboy
Thanks Dan, and seriously to you y22c whatever the f*** you are get the f*** off of my f****** thread you dick so I made one mistake and you jumped on it your douchebag stop f****** arguing with every goddamn f****** comment get the f*** off my post
Originally Posted by 98hotrodfatboy
Y22c. U must be one of those trolls guys talk about round here... Your nothing but a bugger. You cheeky sod.....
That was a stupid mistake by me.... Addios amigos....
 
  #38  
Old 01-17-2018, 05:28 AM
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98,I am sorry I have pissed you off by trying to correct misinformation.

I guess you would rather not know.

Dan, you are correct, you did say 20w, my mistake.

Ken
 
Attached Thumbnails Mobil 1, 0w40 fs oil-20w.jpg  
  #39  
Old 09-14-2019, 07:09 PM
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Originally Posted by HDSlimJim
The best oil weight to use is the one recommended by the people that built the engine.

Generally, the higher the ambient air temp, the heavier the Wxx number will be (5W20 = cold weather and 20W50 = hot)...go with what the engineers recommend; the owners manual will spell it out.

The bigger the gap between the first number (0W) and the last number (W40) the more non lubricating additives you have in the oil...."Viscosity improvers" are chemicals that turn a 40 weight oil into a 0 weight oil at 100 degrees and then back to 40 weight at 200 degrees...quite a feet...the most ideal, but not real world, oil weight is a straight weight oil...but for that, you'd need an environment with very little ambient air tempt change.

It's best to keep the gap between the W numbers as small as possible..the number to the right should be what the engineers recommend based upon the expected air temp...the number to the left of the W should be whatever is recommend based upon the coldest ambient air temp expected.

0W is good to 30 below zero!! Who rides in that weather?

I use Mobile1 15W50...$4/qt with a rebate...works great, cheap enough to change often...no brainer...that is for the engine only though...do NOT put it in the clutch...use Mobile1 Racing 4T 10W40 for the clutch....great rule of thumb with clutch oil; make sure it carries a JASO MA/MA2 rating...if not,..it's not going in my clutch.
lol. Even in Alabama it gets below 30 during the winter time with a wet air so it freezes allot faster than the dry air up north near Ohio and 100*+ in the summer and I still use conventional Harley 50 for summer and Harley 10-40 conventional during winter and have never had any problems from my 103c.i. Ultra Limited in the last 9 years. And I ride year-round on an almost daily basis wether it’s 30 miles or 600 miles. Either way with a hotter running temp, the sae50 is the better choice for hotter weather in my opinion due to cost but more important than that, effectiveness and not just convenience. 🇺🇸
 
  #40  
Old 09-16-2019, 11:30 AM
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OP u need to read all of 540 rats blog. If you did you would know that he doesn't recommend thinner oils in air cooled engine. Because they can't control the temperature like coolant based engine
 
 
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