Oil Archive (no new posts) An archive of oil related questions and comments.
View Poll Results: A poll
HD primary oil #99887-84 (old style)
12.22%
Syn 3
14.06%
Amsoil
21.87%
Bel ray
2.50%
Rev tech
1.01%
Dyna cycle
0.22%
Redline
12.00%
Mobil 1
21.49%
Doesn't matter
3.07%
other
11.55%
Voters: 5048. You may not vote on this poll

What Primary Oil is your Choice

 
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  #621  
Old 09-22-2022, 06:31 PM
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Originally Posted by Old Patriot
I switched it to Valvoline Synthetic 75-145 with its 'non-slip-additive'
It is not a "Non Slip" additive, it is a "Limited Slip" additive.

It is designed to allow the clutch plates in a limited slip differential to slip (eliminating chatter when going around a corner".


 
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HillbillyRick (03-27-2023)
  #622  
Old 09-23-2022, 09:57 PM
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Yes, the Valvoline 75-145 has a "limited slip" additive, but I tried it on the advice of an old Harley Tech & really didn't care about the additive. In my 17 year old machine (only 14k miles), it worked great, the shifting became noticeably smoother.
Also, I park my bike in the driveway & let it cool down & go out later to bring it in the garage (wife is sensitive to smell). I usually go out barefoot & can now find neutral with ease, every time.
Those old techs know a lot of good stuff about bikes, not something I would have thought of myself.
 
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NorthWestern (09-24-2022)
  #623  
Old 12-25-2022, 02:17 PM
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Default Why is nobody mentioning the redline motor oil for the secondary or the primary?

Why is nobody mentio ing the redline motor oil for the secondary or the primary?

Originally Posted by Bryan1724
99 RoadGlide FI just turned 44,000 miles on it this past Sat. Bought it in May of this year and it had 40,000 on it.
Originally Posted by roaddog
TC,
Now that Harley is not longer selling their primary fluid what you going with? You going to use their new stuff or switch over to a regular motor oil. Did my other two fluids ( Mobil 1 15-50) Crank and (Mobil 75-90) Tranny. Still up in the air on the primary.
Could not find any HD primary fluid at dealer. Local stores also did not have any of the listed items used by members here. Would standard Mobil 10w- 40 be a good choice?
Or should I stick with a syn like Mobil 1 15-50.
Thanks for all you add to the forum.
 
  #624  
Old 02-17-2023, 12:50 PM
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Default Penrith oil

I've got a 2008 fxd dyna super glide. I've been wondering about using Penrite oils for Engine ,primary and transmission. Any one else use Penrite oils?
 
  #625  
Old 02-17-2023, 06:02 PM
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In the primary I just use atf with Lucas additive. Works great and is quiet. 9/10 engine oil isn't right for a wet clutch system. My clutch always slipped with engine oil. Slippage is no Mas with atf now.
 
  #626  
Old 03-27-2023, 08:24 PM
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Default Yep

[QUOTE=Dan89FLSTC;20840211]It is not a "Non Slip" additive, it is a "Limited Slip" additive.

It is designed to allow the clutch plates in a limited slip differential to slip (eliminating chatter when
Yep, I've had to use it in my trucks and jeeps.
 
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Harley1004 (05-20-2023)
  #627  
Old 03-27-2023, 09:12 PM
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I just had a shop do a 107 build on my 14 SG , my run out was .005 and he won't build with that much run out so the crank had to come out , I asked him to look over my compensator while it was apart , he asked if I had recently replaced it cause it had vary little wear . Nope had 35K on it and looked great , been running Spectro HD chaincase oil since the 1st change I did around 3K , proof enough for me. Also run their 6 speed gear oil in the trans.
 
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Steelie68 (08-31-2023)
  #628  
Old 08-31-2023, 06:26 AM
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any mineral 20W50 , API SG

works fine !
 
  #629  
Old 09-11-2023, 04:07 PM
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Default Fluids

I use regular gear oil in my trans and primary. Synthetic in my motor. No issues. I also started using that A1 ventilator and I definitely noticed a difference.
 
 
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