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oil question (sorry)

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Old Dec 30, 2009 | 08:13 AM
  #11  
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How long until the ******* start getting posted...until them




 
Old Dec 30, 2009 | 07:42 PM
  #12  
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I wouldn't,,,
It has additives (friction enhancers) for car engines,,,, its not really made for Clutches.....
Its been talked about in here for yrs.....
Could make Ur clutch start slipping....
 
Old Dec 30, 2009 | 07:44 PM
  #13  
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Originally Posted by eagle56
Im running amsol synthetic ATF supershift in my Primary.
Next engine change will be Mobil 1 15/50 will this be better for the primary
If U want to use Mobil-1, just buy some V-Twin,,, they have GL tranny oil also
 

Last edited by oct1949; Dec 30, 2009 at 07:47 PM.
Old Dec 30, 2009 | 08:14 PM
  #14  
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I would only use Mobile Vtwin in the primary for the reason given by Soundman. It doesn't contain friction modifiers.
No friction modifiers in amsoil mvc 20-50 either. HD is still recommending syn 3 in all three, according to the syn 3 product literature on the moco website. I can't find anywhere atf is recommended, except on some after market clutch packs... too much information is not always a good thing. what to do? ... what to do?
 
Old Dec 30, 2009 | 08:20 PM
  #15  
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Originally Posted by eagle56
Sorry I do appollogise this must be a well worn out boring subject.

Reason I ask was that I have two cans of 15/50 and I beleive 5ltrs will do both engine and prime so it makes sence.

I will stay with redline shockproof in the tranny
Don't apologize for a question. It's only how it's answered that matters.
 
Old Dec 30, 2009 | 10:43 PM
  #16  
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Originally Posted by clicker01
No friction modifiers in amsoil mvc 20-50 either. HD is still recommending syn 3 in all three, according to the syn 3 product literature on the moco website. I can't find anywhere atf is recommended, except on some after market clutch packs... too much information is not always a good thing. what to do? ... what to do?
It's kind of strange that their website states that but they've not recommended syn 3 in all three holes for at least two years now. Even the CVO models aren't coming with syn 3 in the tranny or primary anymore. Is it time for harley to update their website or what?
 
Old Dec 31, 2009 | 05:02 AM
  #17  
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Old Dec 31, 2009 | 08:00 AM
  #18  
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Some of you forum bullies kill me. A guy ask a question and he's jumped on. I mean if you don't wanna read about about oil matters cause it's "beating a dead horse" Just don't anyone answer and the thread will spin off into the abiss never to be seen again.
 
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Old Dec 31, 2009 | 08:21 AM
  #19  
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Originally Posted by clicker01
No friction modifiers in amsoil mvc 20-50 either. HD is still recommending syn 3 in all three, according to the syn 3 product literature on the moco website. I can't find anywhere atf is recommended, except on some after market clutch packs... too much information is not always a good thing. what to do? ... what to do?
HD is gonna always recommend 'thier' product. What pissed me off with it was that I couldn't find any specs for the HD stuff to do a comparison. I was using syn 3 in all 3 holes until my clutch began to slip. I had kept the clutch in adjustment acc to spec, but the syn 3 permeated the clutch discs and they lost their grip under a heavy pull. When i inspected them, the thickness was still within specs, they were just burned up. So I did my research on what would be the best oil for the primary. ATF was the winner because:
1-Designed to work with clutch packs (Auto trans have multiple clutch packs)
2-It's light weight allows it to dissapate heat much quicker than the thicker oils (main purpose of oil in the primary to start with)
3-High in detergents that help keep clutch discs cleaner
4-No anti-friction modifiers
5-ATF is used in most 4WD transfer cases so it's proven to be a good chain lubricant

I installed a Barnett clutch pack with an extra disc along with ATF and the difference is amazing. My clutch hooks up way better now even doing holeshots if I want to. I do ride my bike harder than the average rider and put more on the clutch. So far the ATF and new clutch are doing awesome.

Simple tests: rub a little ATF between your finger and thumb lightly and then with pressure as if you were snapping your finger. You'll find that with no pressure, the ATF is slippery, but with pressure, the ATF actually begins to act as a gripping agent. It's designed to do that.
 
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