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#4535896 - 10/07/17 03:31 AM What do you think about this data sheet? 10w60
lars11 Offline


Registered: 12/16/06
Posts: 968
Loc: Sweden
A 10w-60 synth SM/CF A3/B3. Thinking of running it in a 5.0 Mercruiser EFI, oci 40-60 hrs. What's your verdict?

Test Specification Method
Appearance Clear & Bright Brown Oil T11
Kinematic Viscosity @ 40C 135 155 cSt T34
Kinematic Viscosity @ 100C 23.0 26.0 cSt T34
Oil Color Lovibond 3.0 4.0 T89
Density @ 15C 0.856 0.876 T90
Calcium (%w/w) 0.276 0.338 XRF
Phosphorus (%w/w) 0.077 0.093 XRF
Zinc (%w/w) 0.084 0.102 XRF
TYPICAL DATA
Test Value Method
Cold Crank Simulator @ -25C 6 100 cps T55
Total Base Number
(mgKOH/g)
10.1 ASTM D445
Sulfated Ash 1.26 ASTM D874
Viscosity Index 173 T87
Pour Point (C) -39 ASTM D97
Flash Point (C) 220 ASTM D93

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#4535904 - 10/07/17 05:23 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
dlundblad Offline


Registered: 09/30/13
Posts: 10011
Loc: Indiana
What does your manual say?

Here, they want a 25w-40 changed every 50 hrs.

Many guys just run a mineral 15w-40.
_________________________
03 Jeep WJ 4.0 199k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 145k Rotella T5 10w30 Fram TG3980


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#4535913 - 10/07/17 05:48 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
Shannow Online   content


Registered: 12/12/02
Posts: 39848
Loc: 'Stralia
It will be a 40 grade before you get too many hours on it.

Start with a stout 40 grade, such as suggested above.

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#4535914 - 10/07/17 05:51 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
exShuttlemech Offline


Registered: 05/22/17
Posts: 107
Loc: ST Augustine, FL
Is this all year round use in Scandinavia?
_________________________
2010 Rav4 4cyl 131K QSUD 0W20 Baldwin bypass filter
2003 4Runner 4.0L 219K 0W40 M1 Frantz bypass
2007 F150 4.2L 169K 5W30 QSUD
2016 NV2500
2017 RAV4

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#4535924 - 10/07/17 06:13 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
Cujet Offline


Registered: 02/15/03
Posts: 7145
Loc: Jupiter, Florida
It looks just fine for 50 hours use.
_________________________

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#4535928 - 10/07/17 06:24 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
exShuttlemech Offline


Registered: 05/22/17
Posts: 107
Loc: ST Augustine, FL
0W40 would be the thickest that I would go in Arctic conditions.
_________________________
2010 Rav4 4cyl 131K QSUD 0W20 Baldwin bypass filter
2003 4Runner 4.0L 219K 0W40 M1 Frantz bypass
2007 F150 4.2L 169K 5W30 QSUD
2016 NV2500
2017 RAV4

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#4535934 - 10/07/17 06:36 AM Re: What do you think about this data sheet? 10w60 [Re: exShuttlemech]
exShuttlemech Offline


Registered: 05/22/17
Posts: 107
Loc: ST Augustine, FL
Aren't we talking about a 305 cu. in. Chevy engine that runs at a steadily higher RPM as a car/truck but in the cooler temp range? Then why are the boat engine manufacturers stuck in the 1960's for super thick oil viscosity?
_________________________
2010 Rav4 4cyl 131K QSUD 0W20 Baldwin bypass filter
2003 4Runner 4.0L 219K 0W40 M1 Frantz bypass
2007 F150 4.2L 169K 5W30 QSUD
2016 NV2500
2017 RAV4

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#4535963 - 10/07/17 07:37 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
Langanobob Offline


Registered: 04/24/09
Posts: 208
Loc: Reno, Nevada
Because they don't care about incremental gains in fuel economy and because boat engines run at max HP or close to it for extended periods. Additive packages in low viscosity oils are fine but viscosity is still the first line of defense against wear.

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#4536002 - 10/07/17 08:21 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
CT8 Online   content


Registered: 10/09/14
Posts: 10938
Loc: Idaho
15W-40 HDEO will do fine.
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4536228 - 10/07/17 01:27 PM Re: What do you think about this data sheet? 10w60 [Re: lars11]
lars11 Offline


Registered: 12/16/06
Posts: 968
Loc: Sweden
Ok, will go with delvac mx again

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#4536853 - 10/08/17 07:54 AM Re: What do you think about this data sheet? 10w60 [Re: exShuttlemech]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Originally Posted By: exShuttlemech
Aren't we talking about a 305 cu. in. Chevy engine that runs at a steadily higher RPM as a car/truck but in the cooler temp range? Then why are the boat engine manufacturers stuck in the 1960's for super thick oil viscosity?


1. A boat at cruising is like towing a heavy trailer uphill in second gear.

2. Oil temps on the models not fortunate enough to have an oil cooler are severe.

3. Oil temps on models with an oil cooler can still be severe.

4. Volvo Penta tried to get away with using a synthetic SAE 30 diesel engine oil for the Chevy small block based engines and got bad wear results.

20w50 is as good as it gets unless living in ice.
_________________________
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

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#4536889 - 10/08/17 08:45 AM Re: What do you think about this data sheet? 10w60 [Re: lars11]
lars11 Offline


Registered: 12/16/06
Posts: 968
Loc: Sweden
my engine has no oil cooler, and volvo recommends 15w50 mineral or 15w40 diesel VDS-3 rated oil for this engine up until 2008 (when they added catalysts).
So I bought volvo penta VDS-3 oil as it was cheaper (????) than Mobil delvac MX that I used to run.
Makes me think volvo is aiming at minimum 40 hot viscosity and a diesel add pack for wear.
Mercruiser seem to use oil coolers and their standard oil is the 25w40 so it seems fair to say the gm v8 need a 40, at least.

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#4536898 - 10/08/17 08:58 AM Re: What do you think about this data sheet? 10w60 [Re: Langanobob]
exShuttlemech Offline


Registered: 05/22/17
Posts: 107
Loc: ST Augustine, FL
Turbine oil is very thin, why doesn't this theory apply to them?
_________________________
2010 Rav4 4cyl 131K QSUD 0W20 Baldwin bypass filter
2003 4Runner 4.0L 219K 0W40 M1 Frantz bypass
2007 F150 4.2L 169K 5W30 QSUD
2016 NV2500
2017 RAV4

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#4537158 - 10/08/17 01:23 PM Re: What do you think about this data sheet? 10w60 [Re: exShuttlemech]
lars11 Offline


Registered: 12/16/06
Posts: 968
Loc: Sweden
Why should it? depends on the film reqs and also the surface properties of the parts. Maybe the bearings in a comp is tight and controlled temp?

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#4539900 - 10/11/17 08:14 AM Re: What do you think about this data sheet? 10w60 [Re: exShuttlemech]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Originally Posted By: exShuttlemech
Turbine oil is very thin, why doesn't this theory apply to them?


Apples to oranges.

Just the mere fact that a turbine engine has no reciprocating parts is a major factor. There are 1000 others.
_________________________
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

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