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Author Topic: Oil too slippery?  (Read 9005 times)

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Zig

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Oil too slippery?
« on: December 15, 2009, 10:55:22 PM »
Anyone out there have experience with roller bearings skating?  :o   I've been told it can happen due to using some synthetics which can actually be too slippery?
If so, can you say what oil brand, viscos, age and age of bearings pls?

thanks,

Zigg
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FLSTFI Dave

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Re: Oil too slippery?
« Reply #1 on: December 15, 2009, 11:16:34 PM »
I have yet to see actual proof of any oil being to slipery.  Not many years ago HD claimed all synthetic was to slippery.  Now they recommend it and even ship the CVO bikes with it.

I run Amzoil syn in the diesel truck, and mobile 1 in the boat and cars.  I run syn3 in the bike but will go to mobile 1 for it.
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dartman

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Re: Oil too slippery?
« Reply #2 on: December 15, 2009, 11:49:06 PM »
roller bearings skating

This was a Myth that was in vogue in the late 90's perpetuated by Harley Dealers Prior to HD selling their own brand of synthetics, This is the first I have heard the term in years, I have used Synthetic oils in all my bikes since 76 and have never had any of them experience this phenomenon.
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timo482

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Re: Oil too slippery?
« Reply #3 on: December 15, 2009, 11:55:25 PM »
the guy who came up with that marketing ruse probably could not put his erector set together....... :soapbox:

its BALONEY

what syn oil really does is not change its lubricating qualities as much when temp changes.. a straight 50 wt syn oil will flow like a 20-50 dino oil when cold so they call it 20-50 syn oil.. but it does not in fact have any flow modifiers in it.. it just never gets stiff.

syn oils are mfg rather than refined.. some are glycols, some are other esters. but what they offer is consistent lubrication regardless of temp. thus engines that run really hot and really cold do better with syn oils.. syn oils were developed for piston aircraft engines in wwII... they would not thin out when hot at low altitudes and would continue to flow and lubricate at high altitude at -30 f... regular oils start gelling up at such cold temps and would stop flowing in the oil lines - they were fine in the bearings where the heat was but not in the lines - syn oils would still flow and thus still lubricate. think of a corsair in a dog fight - full throttle from -30 air temp to 90 air temp and back 6 or 7 times in 5 or 10 mins.. regular oils fail in such condidtions.

HD engines ARE two cyl radial aircraft engines...

the reason a syn oil theoretcially should be better is that it will flow when cold - and wont thin out when hot.. it has NOTHING to do with slipperiness....

to
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Re: Oil too slippery?
« Reply #4 on: December 16, 2009, 12:16:28 AM »
 The information in the attached link is useful and it reinforces the points made in the previous post.
 http://www.carcraft.com/techarticles/synthetic_vs_conventional_oil/index.html


 Nothing but synthetics in all of my rides and rods during the last fifteen years.  :2vrolijk_21:
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cahdbiker

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Re: Oil too slippery?
« Reply #5 on: December 16, 2009, 01:41:36 AM »

I appreciate this info because I am thinking about running amsoil straight 60 WT synthetic in both my bikes. I called Redline and they said they don't make a straight 60 WT synthetic. (09 SEUC and 95 Heritage with S&S 107). If you have any comments about this please let me know. Thanks CAHDBIKER.
Quote from: timo482 on December 15, 2009, 11:55:25 PM
the guy who came up with that marketing ruse probably could not put his erector set together....... :soapbox:

its BALONEY

what syn oil really does is not change its lubricating qualities as much when temp changes.. a straight 50 wt syn oil will flow like a 20-50 dino oil when cold so they call it 20-50 syn oil.. but it does not in fact have any flow modifiers in it.. it just never gets stiff.

syn oils are mfg rather than refined.. some are glycols, some are other esters. but what they offer is consistent lubrication regardless of temp. thus engines that run really hot and really cold do better with syn oils.. syn oils were developed for piston aircraft engines in wwII... they would not thin out when hot at low altitudes and would continue to flow and lubricate at high altitude at -30 f... regular oils start gelling up at such cold temps and would stop flowing in the oil lines - they were fine in the bearings where the heat was but not in the lines - syn oils would still flow and thus still lubricate. think of a corsair in a dog fight - full throttle from -30 air temp to 90 air temp and back 6 or 7 times in 5 or 10 mins.. regular oils fail in such condidtions.

HD engines ARE two cyl radial aircraft engines...

the reason a syn oil theoretcially should be better is that it will flow when cold - and wont thin out when hot.. it has NOTHING to do with slipperiness....

to

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miker

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Re: Oil too slippery?
« Reply #6 on: December 16, 2009, 07:54:46 AM »
20-60....
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SBB

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Re: Oil too slippery?
« Reply #7 on: December 16, 2009, 07:58:24 AM »
Quote from: miker on December 16, 2009, 07:54:46 AM
20-60 Redline....

Is there anything else?

 :2vrolijk_21:

SBB
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Re: Oil too slippery?
« Reply #8 on: December 16, 2009, 08:07:30 AM »
Quote from: SBB on December 16, 2009, 07:58:24 AM
Is there anything else?

 :2vrolijk_21:

SBB
KFC fryer oil!  :P
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miker

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Re: Oil too slippery?
« Reply #9 on: December 16, 2009, 08:24:19 AM »
Its just that multi viscosity oil allows greater flexibility is all... I run straight 60 dino in the oldy but would rather run a 20 weight at a cold start with the lubricity of a 60 weight at high temps in a modern motor is all...jussayin...

One can fill the crankcase with whatever makes them happy as long as it is clean.  I did notice however that sone buells I have seen apart lubed with Mobil 1 V had a slight crud buildup...these motors are from track bikes and ridden very hard.
 :drink:
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Vagabond6542

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Re: Oil too slippery?
« Reply #10 on: December 16, 2009, 09:03:14 AM »
A thought to consider, the higher the viscosity, the more heat it will retain at what ever the operating temperature of the engine may become. So the end result is where do you heat exchange the excess heat? :nixweiss:
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miker

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Re: Oil too slippery?
« Reply #11 on: December 16, 2009, 09:10:55 AM »
It allows for greater retention, thus increasing lubricity...better slippery at higher temps is all...
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mjb765

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Re: Oil too slippery?
« Reply #12 on: December 16, 2009, 09:16:24 AM »
Quote from: SBB on December 16, 2009, 07:58:24 AM
Is there anything else?

 :2vrolijk_21:

SBB

I use 20/50 Redline now and was thinking of 20/60. Living in the Northeast will this create a problem in the colder weather? I am out in 40 deg temps at times.
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miker

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Re: Oil too slippery?
« Reply #13 on: December 16, 2009, 10:07:14 AM »
20 is 20...
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mjb765

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Re: Oil too slippery?
« Reply #14 on: December 16, 2009, 10:08:00 AM »
but 50 is not 60 :nixweiss:
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