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#2357309 - 08/25/11 11:02 AM 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles
audi_guy Offline


Registered: 11/15/05
Posts: 483
Loc: Metro Atlanta GA
Over all I'm pleased with the results. Ran the oil almost 2 years. Might have to track down the silicon issue via the air filter intake system as BlackStone suggests. Only VOA I've seen of Amsoil 20W50 MCV didn't have that amount. They also suggested that copper was a little high relative to the universal averages for this type engine and might be the result of dirt ingress from the induction system.


Code:
                                                           
                                EQUIP. MAKE/MODEL: BMW Motorcycle 740cc                       OIL TYPE & GRADE:      Amsoil 20W/50

                                FUEL TYPE: Gasoline (Unleaded)                                OIL USE INTERVAL:      4,238 Miles
                                ADDITIONAL INFO: 1986


							Amsoil 20W50 		Castrol 20W50
                                MI/HR on Oil                4,238                    1,450
                                                                    	UNIT /
                                MI/HR on Unit             17,365 	AVERAGES      13,075                                                      UNIVERSAL
                                Sample Date              07/14/11        11/30/09           		                                          AVERAGES
ELEMENTS IN PARTS PER MILLION   Make Up Oil Added            0 qts
                                ALUMINUM                        3           2            1                                                              2
                                CHROMIUM                        1           1            0                                                              1
                                IRON                            6           5            3                                                             10
                                COPPER                          8           6            3                                                              3
                                LEAD                            2           2            1                                                              2
                                TIN                             4           2            0                                                              0
                                MOLYBDENUM                     50          46           41                                                             39
                                NICKEL                          1           1            0                                                              1
                                MANGANESE                       0           0            0                                                              0
                                SILVER                          0           0            0                                                              0
                                TITANIUM                        0           0            0                                                              0
                                POTASSIUM                       1           1            0                                                              0
                                BORON                          23         111          198                                                            108
                                SILICON                        12           8            3                                                              5
                                SODIUM                          2           2            1                                                              3
                                CALCIUM                      3144        2533         1921                                                           2040
                                MAGNESIUM                      28          47           65                                                            157
                                PHOSPHORUS                   1166         916          665                                                            918
                                ZINC                         1412        1101          789                                                           1119
                                BARIUM                          0           0            0                                                              0
                                                                     Values
                                                                    Should Be*
                                SUS Viscosity @ 210F        85.6       82-95         68.7
PROPERTIES                      cSt Viscosity @ 100C       16.90    16.0-19.4       12.62
                                Flashpoint in F             375         >385          395
                                Fuel %                        0.5         <2.0        <0.5
                                Antifreeze %                  0.0            0          0.0
                                Water %                       0.0         <0.1          0.0
                                Insolubles %                  0.3         <0.6          0.2
                                TBN                           8.6                       7.2
                                TAN
                                ISO Code
_________________________
01 Audi S4 2.7T Quattro GC 0w30
07 Audi A6 4.2 FSI Quattro Castrol 0w40
02 GMC 2500HD Duramax CrewCab 4x4 Rotella T6 5w40
86 BMW K75C VR1 Dino 20w50

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#2357349 - 08/25/11 11:39 AM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: audi_guy]
buster Offline


Registered: 11/16/02
Posts: 30242
Loc: NJ
Amsoil retained it's viscosity, the Castro did not.
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#2357366 - 08/25/11 11:54 AM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: audi_guy]
audi_guy Offline


Registered: 11/15/05
Posts: 483
Loc: Metro Atlanta GA
Yep it sure did.
_________________________
01 Audi S4 2.7T Quattro GC 0w30
07 Audi A6 4.2 FSI Quattro Castrol 0w40
02 GMC 2500HD Duramax CrewCab 4x4 Rotella T6 5w40
86 BMW K75C VR1 Dino 20w50

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#2357423 - 08/25/11 01:16 PM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: audi_guy]
Artem Offline


Registered: 10/30/10
Posts: 4622
Loc: Florida
Amsoil was also ran 2.5x longer so it could have thinned down and then thickened back up... who knows.

I'm glad it looks good on the UOA report though grin2 thumbsup
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2015 Lexus ES300H with all the goodies - Dealer Fill

2014 Mazda 3 Hatch i Touring 2.0L & 6spd - Castrol 5w20

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#2357561 - 08/25/11 03:32 PM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: Artem]
ammolab Offline


Registered: 01/16/06
Posts: 743
Loc: Ruidoso, NM USA
Looks better than my K75C on Mobil 1 15W-50 for 4000miles. I see 30+ppm of Iron in my oil. Not sure where that Iron is coming from but I am at 138,000miles and running good so I don't worry too much.

The Mobil 1 also cut down to a thick 30Wt.


Edited by ammolab (08/25/11 03:33 PM)
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#2358077 - 08/26/11 07:27 AM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: audi_guy]
sunruh Offline


Registered: 06/28/05
Posts: 1825
Loc: Cedar Park, TX
scatter scatter.....jeeez when will they do a decent calibration?

sillycon of 12 in 4200 is pretty decent. i would not worry.

nice report! at a 2 year oci, run that stuff till you or the bike dies. probably you first! keep the rubber side down!

wow castrol not in grade. that is a real shocker. oh wait i think i proved that to be the case in 2005!

steve
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motorcycle oil myth buster

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#2359188 - 08/27/11 08:48 AM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: sunruh]
audi_guy Offline


Registered: 11/15/05
Posts: 483
Loc: Metro Atlanta GA
Originally Posted By: sunruh
...till you or the bike dies. probably you first!....


Given the longevity of Bricks that's the truth.... Gonna have to put it in my will. grin
_________________________
01 Audi S4 2.7T Quattro GC 0w30
07 Audi A6 4.2 FSI Quattro Castrol 0w40
02 GMC 2500HD Duramax CrewCab 4x4 Rotella T6 5w40
86 BMW K75C VR1 Dino 20w50

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#2361440 - 08/29/11 10:18 PM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: audi_guy]
car54 Offline


Registered: 06/15/05
Posts: 239
Loc: Wdbg, VA
good, high priced oil returns good, high priced results. I'm not suprised. =)

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#2361672 - 08/30/11 07:51 AM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: audi_guy]
ammolab Offline


Registered: 01/16/06
Posts: 743
Loc: Ruidoso, NM USA
Originally Posted By: audi_guy
Originally Posted By: sunruh
...till you or the bike dies. probably you first!....


Given the longevity of Bricks that's the truth.... Gonna have to put it in my will. grin



I had 28ppm Iron in my 86 K75C running M1 15W-50 for 4000miles...

Maybe My Brick will disolve before me!
_________________________
2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan

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#2361958 - 08/30/11 01:26 PM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: ammolab]
audi_guy Offline


Registered: 11/15/05
Posts: 483
Loc: Metro Atlanta GA
Running Rotella T6 5w40 this oci just for a test as Shell makes some sleeper oils and others have run this oil in their Bricks. Depending on the results in shear and wear numbers will probably go back to the Amsoil.
_________________________
01 Audi S4 2.7T Quattro GC 0w30
07 Audi A6 4.2 FSI Quattro Castrol 0w40
02 GMC 2500HD Duramax CrewCab 4x4 Rotella T6 5w40
86 BMW K75C VR1 Dino 20w50

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#2361970 - 08/30/11 01:33 PM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: ammolab]
audi_guy Offline


Registered: 11/15/05
Posts: 483
Loc: Metro Atlanta GA
Originally Posted By: ammolab
... Not sure where that Iron is coming from ....


Probably the crankshaft, alternater, oil/water pump, and secondary shaft drive gears. Also I've seen in my own UOAs of Mobil 1, as well as others, it seems to throw slightly higher iron numbers. Speculation by some here on BITOG is it's slight reactive to iron.
_________________________
01 Audi S4 2.7T Quattro GC 0w30
07 Audi A6 4.2 FSI Quattro Castrol 0w40
02 GMC 2500HD Duramax CrewCab 4x4 Rotella T6 5w40
86 BMW K75C VR1 Dino 20w50

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#2362488 - 08/30/11 10:41 PM Re: 1986 BMW K75C, Amsoil 20W50 MCV, 4238 miles [Re: audi_guy]
ammolab Offline


Registered: 01/16/06
Posts: 743
Loc: Ruidoso, NM USA
Originally Posted By: audi_guy
Originally Posted By: ammolab
... Not sure where that Iron is coming from ....


Probably the crankshaft, alternater, oil/water pump, and secondary shaft drive gears. Also I've seen in my own UOAs of Mobil 1, as well as others, it seems to throw slightly higher iron numbers. Speculation by some here on BITOG is it's slight reactive to iron.


Yep, and or the camshafts and timing chain and gears. I'm running VR-1 now and may sample at 2000miles as I will take forever to hit 4000 like the M1. I have a new bike to ride daily.


Edited by ammolab (08/30/11 10:42 PM)
_________________________
2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan

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