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Possibly the ultimate Harley oil? #4975827
01/11/19 08:13 AM
01/11/19 08:13 AM
Joined: Oct 2009
Posts: 4
Montana
Reltor Offline OP
Reltor  Offline OP
Joined: Oct 2009
Posts: 4
Montana
This is made by Lucas in a conventional and Semi-Synthetic from what I have seen. It is pricy but the ZDDP levels are super high. I may try it in the spring. My bike is older...no cats.

https://lucasoil.com/products/marin...xtreme-duty-marine-sae-20w-50-engine-oil

The conventional is around $10/qt and the semi-syn around $17/qt

Re: Possibly the ultimate Harley oil? [Re: Reltor] #4975835
01/11/19 08:30 AM
01/11/19 08:30 AM
Joined: Aug 2011
Posts: 2,128
Lakeside, CA
Blkstanger Offline
Blkstanger  Offline
Joined: Aug 2011
Posts: 2,128
Lakeside, CA
Harleys don't need a ton of ZDDP. They have roller bearings everywhere. And roller lifters. And stock Harley engines are far from "high performance". I ran Redline 20w60 for many years in both my Big Twin Harleys. Had 80,000 miles on the Black one when it was totaled.

two bikes.jpg

99 Jeep WJ 4.7 195,000 Maxlife 10w30, Fram Ultra.
Re: Possibly the ultimate Harley oil? [Re: Reltor] #4975857
01/11/19 09:03 AM
01/11/19 09:03 AM
Joined: Oct 2018
Posts: 78
Michigan
Diesel12 Offline
Diesel12  Offline
Joined: Oct 2018
Posts: 78
Michigan
Not a bad looking oil except take a look at the CCS Viscosity at -15C its 9500cp. i bet that oil has a crappy pour point thats why they dont post it.

Compare it to Schaeffer 20w-50 V-twin which the same test at the same temp resulted in 3500cp. Also has a stable pour point of -41F.

Here is the data sheet for Schaeffer V-twin 20w50 https://www.schaefferoil.com/documents/229-707-td.pdf


Last edited by Diesel12; 01/11/19 09:03 AM.

1998 Dodge Neon-Rebuilt 2.4L-Schaeffer 5w40
2014 Dodge Durango 3.6, 56K- Schaeffer 5w-20
2002 Ram 2500 Cummins 125K- Schaeffer 5w-40
2008 Dodge Avenger 220K Schaeffer 5w-20
Re: Possibly the ultimate Harley oil? [Re: Reltor] #4976225
01/11/19 02:36 PM
01/11/19 02:36 PM
Joined: Dec 2016
Posts: 7,466
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,466
Waco, TX
Mystik 15W-50 is what i get locally (and VERY inexpensively) and the it has been giving OUTSTANDING used oil analyses on here

[Linked Image]


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Possibly the ultimate Harley oil? [Re: Diesel12] #4976273
01/11/19 03:32 PM
01/11/19 03:32 PM
Joined: Apr 2018
Posts: 637
Somewhere in time
Imp4 Offline
Imp4  Offline
Joined: Apr 2018
Posts: 637
Somewhere in time
Originally Posted by Diesel12
Not a bad looking oil except take a look at the CCS Viscosity at -15C its 9500cp. i bet that oil has a crappy pour point thats why they dont post it.

Compare it to Schaeffer 20w-50 V-twin which the same test at the same temp resulted in 3500cp. Also has a stable pour point of -41F.
And tell me again why you care about low temperature performance in this application????

I think what you have stated here may be both true and irrelevant.


2001 Mitsubishi Galant 2.4 - 160k+
Grandma's creampuff...
Re: Possibly the ultimate Harley oil? [Re: Reltor] #4976318
01/11/19 04:43 PM
01/11/19 04:43 PM
Joined: Feb 2012
Posts: 8,698
New England
Jarlaxle Offline
Jarlaxle  Offline
Joined: Feb 2012
Posts: 8,698
New England
Maybe because some people do actually ride in cooler weather? Especially in Michigan.


1979 Coupe de Ville, 542 stroker, winter storage frown
2011 Crown Vic P71, 5W-20 Super Tech, Super Tech
2011 Sportster 883, winter storage frown
Re: Possibly the ultimate Harley oil? [Re: Reltor] #4976415
01/11/19 06:30 PM
01/11/19 06:30 PM
Joined: Feb 2015
Posts: 2,453
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,453
Slovenia EU
Would not anything with more than 1200 ppm ZDDP cause impurities /sludge in the engine?

Last edited by Kamele0N; 01/11/19 06:31 PM.

2008 Toyota Yaris 1ND-TV 1.4 D4-D Elf FullTech FE 5w30
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Possibly the ultimate Harley oil? [Re: Jarlaxle] #4976505
01/11/19 08:12 PM
01/11/19 08:12 PM
Joined: Apr 2018
Posts: 637
Somewhere in time
Imp4 Offline
Imp4  Offline
Joined: Apr 2018
Posts: 637
Somewhere in time
Originally Posted by Jarlaxle
Maybe because some people do actually ride in cooler weather? Especially in Michigan.

Call me back when you're riding at below 0°C.
Otherwise...


2001 Mitsubishi Galant 2.4 - 160k+
Grandma's creampuff...
Re: Possibly the ultimate Harley oil? [Re: Reltor] #4976700
01/12/19 05:46 AM
01/12/19 05:46 AM
Joined: Feb 2012
Posts: 8,698
New England
Jarlaxle Offline
Jarlaxle  Offline
Joined: Feb 2012
Posts: 8,698
New England
My coldest was 3 C a couple years ago...bike was fine. (Oil was 10W-40.) I suspect my current bike (with conventional 20W-50) might not be.


1979 Coupe de Ville, 542 stroker, winter storage frown
2011 Crown Vic P71, 5W-20 Super Tech, Super Tech
2011 Sportster 883, winter storage frown
Re: Possibly the ultimate Harley oil? [Re: Reltor] #4976985
01/12/19 12:08 PM
01/12/19 12:08 PM
Joined: May 2012
Posts: 5,878
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,878
Fort Lauderdale, FL
That's a high performance Marine oil. It's made more like an SAE 50 for shear resistance. They don't care about cold weather operation, because a high performance boat is not going to be subjected to that.

Pour point depressants are usually left on the shelf.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Possibly the ultimate Harley oil? [Re: Reltor] #4980719
01/16/19 05:52 AM
01/16/19 05:52 AM
Joined: Jul 2012
Posts: 2,631
South Carolina
alarmguy Offline
alarmguy  Offline
Joined: Jul 2012
Posts: 2,631
South Carolina
Hard to comment on the OP as there is no mention of what year and model his Harley is.
Being there are so many, for me, I try to stick to the recommended type of oil.


14 Road King (current)
08 VStar 1300 Tourer
07 Suzuki C50

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