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Re: fully synthetic 10w30 recomendation plz [Re: user52165] #5161537 07/15/19 12:31 PM
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CR94 Offline
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Originally Posted by user52165
Originally Posted by ARCOgraphite
... After a couple weeks of slow as mud light throttle acceleration, you will want to go back to a 5W20
... Do you have some thing to support this astounding statement?
Do we have to split into extremist camps, one claiming there's no difference in drag with higher-than-specified viscosity, and the other camp exaggerating the difference? Just recognize reality, folks! That's that the difference will be real, but not huge.


2011 Toyota Prius now at 107K
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Re: fully synthetic 10w30 recomendation plz [Re: CR94] #5161565 07/15/19 01:03 PM
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1978elcamino Online Content OP
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Originally Posted by CR94
Originally Posted by user52165
Originally Posted by ARCOgraphite
... After a couple weeks of slow as mud light throttle acceleration, you will want to go back to a 5W20
... Do you have some thing to support this astounding statement?
Do we have to split into extremist camps, one claiming there's no difference in drag with higher-than-specified viscosity, and the other camp exaggerating the difference? Just recognize reality, folks! That's that the difference will be real, but not huge.


I know right, its not like Im going to 20w50 or anything. I just want to experiment with a handful of oil choices here. This will be the first 10w, but want to make sure its a a solid 10w, not something advertised as a 10w but closer to a 5w.

Maybe I will dump some lucas in for good measure.


2018 F150 5.0
2016 Ford Fusion 2.5
Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161578 07/15/19 01:23 PM
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kschachn Online Content
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Originally Posted by 1978elcamino
I know right, its not like Im going to 20w50 or anything. I just want to experiment with a handful of oil choices here. This will be the first 10w, but want to make sure its a a solid 10w, not something advertised as a 10w but closer to a 5w.

Maybe I will dump some lucas in for good measure.

Again as I mentioned before, the winter rating is irrelevant. You need to learn the difference between a winter rating and the operating grade. Both the 5W-30 and the 10W-30 are 30 grade oils. Your constant focus on the winter grade is misplaced, a 5W oil is not thinner than a 10W except at low temperatures (below 0F or so).

Lucas will increase the operating viscosity but will also dilute the additives. The best way to get an oil that's thicker than a 30 grade is to use a fully formulated 40 grade, not an additive.


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Re: fully synthetic 10w30 recomendation plz [Re: user52165] #5161606 07/15/19 01:56 PM
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Originally Posted by user52165
Originally Posted by ARCOgraphite
You want a "thick" 10W30? That means high HTHS not high KV100.



After a couple weeks of slow as mud light throttle acceleration, you will want to go back to a 5W20 smile



Do you have some thing to support this astounding statement?

HTHS = 3.5


2005 Ranger 3.0 - SuperTech Syn 5w-30/Motorcraft
2000 4Runner 3.4 - SuperTech Syn 5w-30/Toyota
1997 B2500 Van 3.9 - M1 HM 10w-30/Mopar
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Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161624 07/15/19 02:07 PM
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HTHS 3.5? I don't know on any in USA.

Use Mobil 1 High Mileage 10w30.

Re: fully synthetic 10w30 recomendation plz [Re: ka9mnx] #5161649 07/15/19 02:34 PM
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Originally Posted by ka9mnx
Originally Posted by user52165
Originally Posted by ARCOgraphite
You want a "thick" 10W30? That means high HTHS not high KV100.



After a couple weeks of slow as mud light throttle acceleration, you will want to go back to a 5W20 smile



Do you have some thing to support this astounding statement?

HTHS = 3.5
I'm running a 3.5 HTHS in a 5.0 right now. You're not telling the difference in a 360+ HP pickup truck by driving around.


2013 F150 5.0, Delo XLE CK-4 10W-30, Baldwin B7449
2010 Camry 2.5, PP 10W-30, Mobil1 M1C-251A
Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161669 07/15/19 02:58 PM
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Rand Online Content
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Originally Posted by 1978elcamino
Lots of folks try t6 5w40, 5w30 and motorcraft 5w50. I personally have tried MC 5w30 and currently in there I have t6 5w40. I think next change I would like to try a 10w30. Is there a sn+ 10w30 out there?


Seems like you want a "thick 30" oil this isnt determined by the first number a 5w30, 10w30, or even 15w30. would all be relatively similar and the 10w30 could be the thinnest of the 3.

Arco posts without his meds frequently so if something looks wacked out I usually just ignore it, The other day he was quoting himself form another forum and calling it wisdom.

If you want a thick 30 you are better off mixing a couple quarts of 10w40 with the same additive package to your preferred 30wt oil..

an example would be using 2quarts 10w40 in place of 2 of your quarts (of 10w30 or whatever)
making sure its the same brand. ie not mixing shell and Mobil 1.


2019 Jeep Cherokee Trailhawk 2.0T
2020 Hyundai Elantra "Value Edition"
Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161725 07/15/19 03:52 PM
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I put 354K on my old 91 Ford Ranger 3.0. When I sold it the engine still ran great and never had the valve covers removed, and no more oil use when sold than when purchased. Oil used was M1 10-30 at 10K OCIs.


2007 Ford Fusion 250,000 miles
M1 5-20HM
2017 Ford Fusion 83K
M1 0-20EP
10,000 mile OCIs on both engines
M1 ATF and M1 ATF LV
M1 10-30 in all OPE
MC filters

Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161738 07/15/19 04:06 PM
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M1 10W-30 High Mileage it has a HTHS of 3.5 cP when a regular GF-5 oil would be about 3.1 +/- 0.1 cP.

Also the M1 10W30 HM is one of the few oils that is rated both API SN-Plus and Euro ACEA A3/B3.

It’s a great looking oil.


---------------------------------------------------------------------------------
Valvoline DuraBlend 10W40 SN & A3/B4 semi-synthetic + Valvoline V06 synblend media filter
Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161743 07/15/19 04:11 PM
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M1 HM 10w-30 is my go to if I’m not running HDEO


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: fully synthetic 10w30 recomendation plz [Re: SR5] #5161777 07/15/19 04:49 PM
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Originally Posted by SR5
M1 10W-30 High Mileage it has a HTHS of 3.5 cP when a regular GF-5 oil would be about 3.1 +/- 0.1 cP.

Also the M1 10W30 HM is one of the few oils that is rated both API SN-Plus and Euro ACEA A3/B3.

It’s a great looking oil.



Great post here ^^^^

A real stout 10w30 made by M-1.


Nissan Altima 3.5 Coupe
Napa full synthetic 5w30 Wix 57356 Oil filter
"Treat your family like your friends and treat your friends like your family."
Re: fully synthetic 10w30 recomendation plz [Re: bbhero] #5161785 07/15/19 04:57 PM
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Hey BBhero,
Always good to see you around mate.


---------------------------------------------------------------------------------
Valvoline DuraBlend 10W40 SN & A3/B4 semi-synthetic + Valvoline V06 synblend media filter
Re: fully synthetic 10w30 recomendation plz [Re: user52165] #5161786 07/15/19 04:57 PM
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Originally Posted by user52165
Originally Posted by ARCOgraphite
You want a "thick" 10W30? That means high HTHS not high KV100.



After a couple weeks of slow as mud light throttle acceleration, you will want to go back to a 5W20 smile



Do you have some thing to support this astounding statement?

I was thinking the same thing. FWIW I use Motorcraft semi-syn 5W-30 in my 2018 Mustang 5.0 and my 4.6 Modulars in my older Mustangs. Get it at Wally's for a little under 20 bucks per gallon.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161790 07/15/19 05:02 PM
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In the owners manual of my Briggs powered riding mower, it interestingly says that if You don't use a 30 straight grade to use 5W-30 full syn. Don't know why it doesn't mention 10W.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: fully synthetic 10w30 recomendation plz [Re: 1978elcamino] #5161886 07/15/19 06:34 PM
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Originally Posted by 1978elcamino
Looking for a fully synthetic 10w30. Was going to try QSUD but learned its on the thinner side similar to a 5w. Would like to stick with a solid 10w non high mileage available at walmart.

Where did you learn it that QSUD 10W-30 is on the thinner side? This is incorrect. QSUD 10W-30 is on the thicker side. It uses a high-VI base oil and KV100 ~ 11 cSt with minimal VII (VI = 150). Full-shear viscosity (without any VII effect) should be at or close to 2.9 cP; so, it's almost as thick as a monograde SAE 30. HTHS viscosity is probably 3.3 cP or at least 3.2 cP.


2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 1,000 mi
TGMO 0W-16 SN/RC Japan
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