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Corrosion Test #4525263
09/24/17 09:34 PM
09/24/17 09:34 PM
Joined: Apr 2012
Posts: 2,568
West Michigan
buck91 Offline OP
buck91  Offline OP
Joined: Apr 2012
Posts: 2,568
West Michigan
So in the spirit of DIY Guy's gun oil test, I'm doing a little mini at-home corrosion prevention test of a couple of garage lubes I had laying around. Unfortunately I did not have room for everything I wanted to test, but many of them HAVE been tested. My goal was to provide a little home comparison information for my own decisions. As such, THIS TEST WILL NOT STAND UP TO RIGOROUS SCRUTINY. Please feel free to enjoy any results but it is nothing more than a quick, diy, at home comparison.

To begin with I took a used front brake rotor (Ford OE part, possibly 80k miles but remarkably little wear), sanded it down by hand with some coarse wet/dry paper and cleaned it off real good with non-chlorinated brake cleaner. There are a few dents and divots which aren't perfect but overall it should do well for this test. I then divided it into eight parts to test the following (In clockwise fashion from the top):

1. PP 5w30
2. Chevron Supreme 10w30
3. Kano Microil
4. Tri-Flow Superior Lubricant, drip bottle
5. Boeshield T9, drip
6. Fluid Film, non-aersol
7. Fluid Film, aerosol
8. Mobil 1 ATF
Added:
9. Super-Lube Silicone Oil, small area on rotor hat
10. Control, the rest of the rotor hat (which was sanded and prepped along with the braking surface)

All samples were applied in the same fashion, by wetting a piece of blue shop towel and "buffing" onto the rotor surface. No further treat was done (no wipe off, no heat treat, ect). I would say that the "buffing" on didn't seem to leave a very heavy coating but felt analogous to how I would wipe down any gun part which didn't specify a "run wet" type of condition (i.e. my glock rails have more oil but my shotgun receiver has about this amount).

At this point in the test, the samples are sitting in a non-climate controlled garage in 90+F daily high temps and high humidity. I have seen tools rust in a few weeks if not wiped down. Unsure the "best" way to progress from here. A good long term test would be to just leave the rotor unmolested for a few months and see what holds up best. This would be a great test for storage applications. Alternatively, I could move it outside into any type of spot ranging from primarily sunny (weather permitting) to shady and damp. It is currently early fall in Michigan, so the weather will be (or should be) rapidly cooling and becoming wetter. Open to input. Pics below.


2011 F150 4x4 5.0L
1996 Mustang GT 5spd/ragtop
Re: Corrosion Test [Re: buck91] #4525265
09/24/17 09:36 PM
09/24/17 09:36 PM
Joined: Apr 2012
Posts: 2,568
West Michigan
buck91 Offline OP
buck91  Offline OP
Joined: Apr 2012
Posts: 2,568
West Michigan
Pics of initial setup. Remember this is pretty informal.




2011 F150 4x4 5.0L
1996 Mustang GT 5spd/ragtop
Re: Corrosion Test [Re: buck91] #4525288
09/24/17 10:08 PM
09/24/17 10:08 PM
Joined: Mar 2010
Posts: 1,406
USA
SOHCman Offline
SOHCman  Offline
Joined: Mar 2010
Posts: 1,406
USA
cool, looking forward to results!


I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Corrosion Test [Re: buck91] #4525312
09/24/17 10:34 PM
09/24/17 10:34 PM
Joined: Oct 2008
Posts: 2,474
Dallas, Texas
SuperDave456 Offline
SuperDave456  Offline
Joined: Oct 2008
Posts: 2,474
Dallas, Texas
Sounds like a cool test.
I guess you now get to take 1 pic a month.

Then at the end of 6-12 months you get to do a lot of detailed pics and write up.

If you are really bored you can go longer than 12 months.

Re: Corrosion Test [Re: buck91] #4525315
09/24/17 10:38 PM
09/24/17 10:38 PM
Joined: Dec 2002
Posts: 42,085
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,085
New Jersey
Will you keep the blue tape on to try to prevent one section from segregating into another?

Re: Corrosion Test [Re: JHZR2] #4525636
09/25/17 10:16 AM
09/25/17 10:16 AM
Joined: Aug 2010
Posts: 5,651
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,651
Champlain/Hudson Valley
Looking forward to the "results" too.

Upon rotating my wheels for the first time I was amazed how much white crud there was.
I used a wire wheel to decrud where rotor and alloy wheel touched.

I carefully sprayed the rotor-to-wheel mating surfaces with 5-56 in order to stave off such corrosion.
I'll tell you how that works when next I rotate.

Re: Corrosion Test [Re: buck91] #4525709
09/25/17 11:55 AM
09/25/17 11:55 AM
Joined: Nov 2011
Posts: 4,850
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,850
MTL, CANADA
Outside in winter will be a test id like to see!


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Corrosion Test [Re: buck91] #4525844
09/25/17 02:21 PM
09/25/17 02:21 PM
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
billt460 Offline
billt460  Offline
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
Brake rotors are a good test medium. They really LIKE TO RUST! When I wash my vehicles, by the time I get them dried off, the rotors are covered with a nice light coat of rust. Just from sitting there for 15 minutes after rinsing the wheels. I swear, you can actually watch them rust, sitting in the driveway. I've never seen anything made from metal rust so fast in my life!

Re: Corrosion Test [Re: buck91] #4525877
09/25/17 02:53 PM
09/25/17 02:53 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Use a misting bottle to apply uniform, light moisture occasionally.


"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: Corrosion Test [Re: billt460] #4525892
09/25/17 03:06 PM
09/25/17 03:06 PM
Joined: Feb 2015
Posts: 2,195
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,195
Slovenia EU
Originally Posted By: billt460
Brake rotors are a good test medium. They really LIKE TO RUST! When I wash my vehicles, by the time I get them dried off, the rotors are covered with a nice light coat of rust. Just from sitting there for 15 minutes after rinsing the wheels. I swear, you can actually watch them rust, sitting in the driveway. I've never seen anything made from metal rust so fast in my life!


Next time when you will buy new discs...try to buy OEM/quality ones...

ATE Pagid etc tend to rust less then cheapo no name ones wink


2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Corrosion Test [Re: Kamele0N] #4525921
09/25/17 03:37 PM
09/25/17 03:37 PM
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
billt460 Offline
billt460  Offline
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
Originally Posted By: Kamele0N
Next time when you will buy new discs...try to buy OEM/quality ones...


All of my rotors ARE OEM. I've never changed them. They came with the vehicle.

Re: Corrosion Test [Re: buck91] #4526316
09/26/17 12:36 AM
09/26/17 12:36 AM
Joined: May 2015
Posts: 904
Frogland / Brittany
Popsy Offline
Popsy  Offline
Joined: May 2015
Posts: 904
Frogland / Brittany
I only buy corrosion resistant rotors when possible (generally not available for rear rotors unfortunately). I put ATE Powerdiscs on my old Fiat, they aren't rusting, and they somewhat improved the feeling when braking smile


96 Barchetta, Motul 300V 5W40 | 98 Barchetta, Quartz 9000 energy 5W40
05 Forfour 95, SHU 0W40 (gf's car) | 10 Colt Ralliart, 300V 0W40
Re: Corrosion Test [Re: buck91] #4526816
09/26/17 02:59 PM
09/26/17 02:59 PM
Joined: Oct 2010
Posts: 930
South Eastern, CT
AMC Offline
AMC  Offline
Joined: Oct 2010
Posts: 930
South Eastern, CT
Cool test!

Here are the results: 1st place: Boeshield
2nd place: Fluid film liquid
3rd place: fluid film aerosol
4th place: Tri-flow
grin2


18 Honda CR-V - Factory Fill
17 Ram 1500 SLT - Napa Synthetic 5w-20
14 Yamaha Super Tenere - Delvac 15w-40
Re: Corrosion Test [Re: AMC] #4526818
09/26/17 03:02 PM
09/26/17 03:02 PM
Joined: Jan 2008
Posts: 10,662
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,662
OH
Any pictures please??? Thank you.

Re: Corrosion Test [Re: buck91] #4526820
09/26/17 03:03 PM
09/26/17 03:03 PM
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
billt460 Offline
billt460  Offline
Joined: Mar 2015
Posts: 5,142
Glendale, Arizona
Here ya' go. One of the best....... WD-40.

http://www.brownells.com/.aspx/lid=10700...t-Preventatives

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