Your On-Line Port'o'Call

Previous Thread
Next Thread
Print Thread
Rate This Thread
Page 2 of 2 1 2
#566531 - 11/12/16 12:01 AM Re: Outdrive oil. [Re: kdl]  
Joined: Feb 2003
Posts: 11,760
Frantically Relaxing Offline
Admiral
Frantically Relaxing  Offline
Admiral

Joined: Feb 2003
Posts: 11,760
In an outdrive, the case is aluminum, shafts are steel, gears I believe are cast iron, bearings are hardened steel and, while I don't know much about boron other than what I just read about it, the bearings are probably the source of the boron and nickel...and that leads to why there may be aluminum-- It sounds logical, to me at least, that you may have a bearing that went south, and the whole bearing that has spun, or still spinning, within it's boss, which is likely part of the aluminum case. That would account for the aluminum, and the extra load the bad bearing is causing could add some gear wear...

Unless there's something I'm not thinking of, I can only think of a bad reason for any aluminum to be in the oil. frown


[Linked Image]
A Word from Our Sponsors
#566535 - 11/12/16 05:27 PM Re: Outdrive oil. [Re: kdl]  
Joined: Aug 2005
Posts: 2,353
WayWeGo Offline
Admiral
WayWeGo  Offline
Admiral

Joined: Aug 2005
Posts: 2,353
Oakton, VA
I would make sure the output shaft seal is not leaking. If you have some way of pressure/vacuum testing, this is the best way to make sure you don't have a water ingression problem. That is something that can be done over the winter for not that much money. I would not run the outdrive next summer until that was done. There is some pretty good info here: http://www.marineengine.com/boat-forum/showthread.php?421017-sterndrive-pressure-test

Since you said you might have gotten some water from the pan, I am assuming you pulled the sample from it. Your drain pan is metal and you might have gotten some contamination from it, possibly including the lead. When you take an oil sample, you should drain some oil and then catch it coming directly out of the drain.



1975 Trojan F36 Convertible, Twin Chrysler 440's
2014 West Marine AL360 Inflatable, 1966 Mercury 6HP, 1992 Mercury 20HP
#566538 - 11/12/16 08:09 PM Re: Outdrive oil. [Re: kdl]  
Joined: Apr 2006
Posts: 2,612
kdl Offline
Admiral
kdl  Offline
Admiral

Joined: Apr 2006
Posts: 2,612
Central Mass
Thanks for the input FR. I'm really hoping it's not that bad. By design, it's almost imposable to hear what's going on in the drive while in operation so hard to tell if it's going south. Let's hope not.

Way, Lots of good info in that link.
Definitely contamination in my sample. When I drained the oil I had no intention of sending it out for testing so I wasn't as careful with it as I should have been. I remember watching the raindrops hit the pan. So at <.1% water, I may have introduced all of it. Though entirely possible, I have a hard time believing the drive is leaking. Most times when I remove the dip stick from the drive to check the oil, it is either pressurized or holding a vacuum.
Pressure testing over the winter is a good suggestion that I will follow through on. Thanks


2005 Cobalt 246 8.1 Gi
"Paradise..."

2001 Key Largo 190 CC
"After Five"
#566585 - 11/19/16 02:59 PM Re: Outdrive oil. [Re: captkevin]  
Joined: Jan 2003
Posts: 3,901
Dock Holiday Offline
Admiral
Dock Holiday  Offline
Admiral

Joined: Jan 2003
Posts: 3,901
Lake Geneva, WI
Originally Posted By: captkevin
Think i'd run it next season & then send another sample. See how it looks.


+1, but take a sample part way through the season to make sure things are not going south on you.

#569781 - 12/18/17 09:32 PM Re: Outdrive oil. [Re: kdl]  
Joined: Apr 2006
Posts: 2,612
kdl Offline
Admiral
kdl  Offline
Admiral

Joined: Apr 2006
Posts: 2,612
Central Mass
I thought I'd follow up to last years dark outdrive gear oil. I did switch from Volvo's oil to Amsoil synthetic gear lube. I had 35 hours on the oil last year, this year 31. Last year the oil drained out black. This year it came out a nice clear medium dark amber. I sent a follow up sample to Blackstone to be analyzed and they came back with this report:

"This report looks much better than the last, overall. Most metals are lower after using a similar interval, so whatever was causing the high numbers last time doesn't seem to be an ongoing issue. Aluminum bumped up, which isn't ideal, but it's steady overall and that's good. If it shows excess wear, at least it isn't getting worse very fast. We'll monitor it from here. Nickel is still high enough to mark, but it took a solid step in the right direction. No water showed up and the flashpoint was fine. Try about 30 hours again to see if aluminum starts to shape up. Nice!"

Test results:
......... 2016...............................2017
Aluminum 16 ...............................17.........Universal Average 5
Iron ... 427 ................................ 241................................136
Lead .. 16.................................... 0.................................... 2
Nickel .. 14 ................................... 6.....................................2
Boron .. 247................................... 44 .............................. 111
Water .. <0.1%................................. 0 .............................. Neg
Chromium .. 5.................................... 2 .................................2
Copper .. 2........................................1.................................... 1

So overall I'm very pleased with the report. I'm not sure if the switch to Amsoil had anything to do with it or there were other factors, but I'll be sticking with the Amsoil. It will be interesting to see how next year's report will look.

Last edited by kdl; 12/18/17 09:38 PM.

2005 Cobalt 246 8.1 Gi
"Paradise..."

2001 Key Largo 190 CC
"After Five"
#569787 - 12/20/17 03:25 PM Re: Outdrive oil. [Re: kdl]  
Joined: Oct 2003
Posts: 7,483
captkevin Offline
Admiral
captkevin  Offline
Admiral

Joined: Oct 2003
Posts: 7,483
Chicago, IL
What does it cost for the analysis?


2004 Rinker 232
2010 Dodge Ram Crew Cab Laramie 4x4
#569788 - 12/20/17 09:36 PM Re: Outdrive oil. [Re: kdl]  
Joined: Apr 2006
Posts: 2,612
kdl Offline
Admiral
kdl  Offline
Admiral

Joined: Apr 2006
Posts: 2,612
Central Mass
$28.00.
I think it's a fair price for all the information provided.

Last edited by kdl; 12/20/17 09:36 PM.

2005 Cobalt 246 8.1 Gi
"Paradise..."

2001 Key Largo 190 CC
"After Five"
#569789 - 12/21/17 01:53 AM Re: Outdrive oil. [Re: kdl]  
Joined: Jun 2004
Posts: 8,935
Silverbullet Offline
Admiral
Silverbullet  Offline
Admiral

Joined: Jun 2004
Posts: 8,935
Boise, ID
Could some of the numbers be different because the formulation of oils is different. I.e.amsoil doesn't have lead 8n it while VP does.

I don't know of one has lead, just using it as an example.


James
2002 Cobalt 226 VP 8.1GIDP
2007 Chevy 2500HD Crew Cab Duramax
1988 Suburban 3/4 Ton
2000 Subaru Forester


#569799 - 12/21/17 01:45 PM Re: Outdrive oil. [Re: kdl]  
Joined: Oct 2003
Posts: 7,483
captkevin Offline
Admiral
captkevin  Offline
Admiral

Joined: Oct 2003
Posts: 7,483
Chicago, IL
$28 bucks seems pretty fair for the test.


2004 Rinker 232
2010 Dodge Ram Crew Cab Laramie 4x4
#569832 - 12/21/17 08:34 PM Re: Outdrive oil. [Re: Silverbullet]  
Joined: Apr 2006
Posts: 2,612
kdl Offline
Admiral
kdl  Offline
Admiral

Joined: Apr 2006
Posts: 2,612
Central Mass
Originally Posted by Silverbullet
Could some of the numbers be different because the formulation of oils is different. I.e.amsoil doesn't have lead 8n it while VP does.

I don't know of one has lead, just using it as an example.



Absolutely. It will be interesting to see next years numbers.
I hope the lower iron numbers indicate the new oil is doing a better job.


2005 Cobalt 246 8.1 Gi
"Paradise..."

2001 Key Largo 190 CC
"After Five"
#569841 - 12/22/17 10:11 AM Re: Outdrive oil. [Re: kdl]  
Joined: Oct 2003
Posts: 7,483
captkevin Offline
Admiral
captkevin  Offline
Admiral

Joined: Oct 2003
Posts: 7,483
Chicago, IL
How much have the numbers changed over the years?


2004 Rinker 232
2010 Dodge Ram Crew Cab Laramie 4x4
#569852 - 12/22/17 07:23 PM Re: Outdrive oil. [Re: kdl]  
Joined: Apr 2006
Posts: 2,612
kdl Offline
Admiral
kdl  Offline
Admiral

Joined: Apr 2006
Posts: 2,612
Central Mass
I only started testing in 2016 when the end of season oil drained black, so only 2 year of data at this point. The oil looked much better this year, back to how it used to look. For the price of testing I'll continue for a few more years.


2005 Cobalt 246 8.1 Gi
"Paradise..."

2001 Key Largo 190 CC
"After Five"
#570904 - 05/15/18 09:51 PM Re: Outdrive oil. [Re: kdl]  
Joined: Oct 2014
Posts: 130
Boatbottom Offline
Captain
Boatbottom  Offline
Captain

Joined: Oct 2014
Posts: 130
Great Sacandaga Lake Mayfield,...
This was very interesting reading. The lower unit oil on my Bayliner gets changed every year when I have it winterized it is part of the service.. I have not been good about changing the gear oil in the 40hp yamaha So...this year I decided it needed to be changed. I was surprized at how dark the oil was when I drained it Not as dark as KDL's but much darker than I expected. I used Yamaha brand gear lube for the change, and the bottle has enough for next year also. I hate to admit this but the gear oil was the original from when I purchased the motor in 2011. It will now get changed every year as it probably should be. Wether or not I will change brands after I use up the Yamaha gear oil is a question. There are lots of good products out there. I use only synthetic oils in the crankcase so maybe I'll change to a synthetic....maybe not. I'll bet there are plenty of opinions out there.


No Blunder goes unwitnessed
Blowers are Cheap Fires Are Expensive
Page 2 of 2 1 2

Moderated by  Admin 

Sponsors
New Topics
Dock Start?--No Problem
by Jack T. 09/21/18 09:08 PM
Bravo 2 U-Joints
by Boatbottom. 09/10/18 09:25 AM
Upper MidWest Boating Destinations
by Dock Holiday. 09/01/18 01:02 PM
Golden Triangle cruise plus 1000 Islands
by Dave R. 08/29/18 03:10 PM
shift cable adjustment
by skidmark. 08/29/18 12:04 PM
Stupid Subaru Design
by Justification. 08/27/18 12:41 PM
Malibu buys another brand
by Capn Morgan. 08/22/18 08:21 AM
Late tax filing BS
by Frantically Relaxing. 08/14/18 01:02 PM
How to make 1” holes through the top, side of boat
by cny boater. 07/07/18 03:28 PM
Who's Online Now
0 registered members (), 49 guests, and 5 spiders.
Key: Admin, Global Mod, Mod
Newest Members
FrankC, skidmark, calmwaters, ron3033, frabru
5459 Registered Users
Forum Statistics
Forums23
Topics37,190
Posts563,042
Members5,459
Most Online252
Aug 5th, 2017
Powered by UBB.threads™ PHP Forum Software 7.6.0