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Which HM oil for minor seeps? #5383361 03/22/20 11:31 PM
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RonRonnster Offline OP
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After finally fixing the leaking block off plate on my 6.2L Yukon I am able to see some additional seepage from the oil pan and what appears to be the front timing cover. Not too serious, but some minor seepage. Stays dry for about a week and then some moisture can be seen. I’ve been running the Havoline smart box, but thinking about trying the HM version to see if it changes anything. It appears that Mobil 1 HM seems to still be on the thicker side of things - most HM formulations lately are thinner than they used to be (see Maxlife). So which HM flavor would you choose? Havoline HM, Mobil1 HM, or something else?


- 2007 GMC Yukon XL Denali - 6.2L / 81k mi.
- 1998 Chev K1500 4x4 - 5.7L / 155k mi.
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383367 03/22/20 11:52 PM
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HyundaiAbuser Offline
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I've used Supertech, Valvoline and pennzoil high milage formulas and so far the best "High Milage" specific results out of that for me came from the valvoline in the form of less seepage from somewhere under my previously owned XG350. At the time I didn't really care to see where it came from.

If you are really worried about getting thicker you could up a viscosity grade.

Last edited by HyundaiAbuser; 03/22/20 11:53 PM.

03 Hyundai Tiburon:
PP High Mileage 5w30
Amsoil MTG
94 Mazda B4000
Supertech 10w40 High Mileage
Valvoline Dex/Merc
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383368 03/22/20 11:56 PM
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TheLawnRanger Offline
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I've been thinking about using Supertech Synthetic 5w30 HM in my Impala. It's dexos approved and $14.88 for 5 quarts. If I don't like it after a couple of OCIs, I'll get something else.


2011 Impala
2012 Colorado
Oil: 5w30 synthetic
Filters: Wix 51522 for both
Re: Which HM oil for minor seeps? [Re: TheLawnRanger] #5383370 03/23/20 12:03 AM
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HyundaiAbuser Offline
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Originally Posted by TheLawnRanger
I've been thinking about using Supertech Synthetic 5w30 HM in my Impala. It's dexos approved and $14.88 for 5 quarts. If I don't like it after a couple of OCIs, I'll get something else.

Go for it. If nothing is on sale there's no glaring reason not to and I've used that brand, viscosity and package in both my vehicles and so have a good portion of my friends.


03 Hyundai Tiburon:
PP High Mileage 5w30
Amsoil MTG
94 Mazda B4000
Supertech 10w40 High Mileage
Valvoline Dex/Merc
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383389 03/23/20 03:28 AM
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Gokhan Online Content
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The detailed specs for the vanilla and HM Super Tech were posted here on BITOG. All specs for the vanilla vs. HM Super Tech were identical.

Super Tech 0w-20 & 5w-20 Oils made by Warren Distribution

Go with the M1 HM. You know it's radically different than the vanilla HM and has a lot more seal swellers and cleaning ability (probably through higher Group V alkylated naphthalene (AN) content).

This is my second Simpsons reference today, but I need an illustration.

[Linked Image from 4.bp.blogspot.com]


2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 70 mpg on gas, ~ 5,000 mi
TGMO 0W-16 SN/RC Japan
OEM spin-on oil filter Japan
Re: Which HM oil for minor seeps? [Re: Gokhan] #5383406 03/23/20 05:26 AM
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Triple_Se7en Offline
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Agree Gokhan
All repairs are going to cost more.... in this case, cost more than just the price of the next oil change.
If one finds the $10 extra too painful to the wallet, use the Supertech.


Keep Your Pistons, Valves & Injectors Clean

19' Hyundai SantaFe 2.4 GDI
20' Kia Soul XLine 2.0 MPI - both Pennzoil Ultra Platinum 5W30 / Mobil1 Filters
04' Chevy Colorado Napa Syn 0w20 and K&N



Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383427 03/23/20 07:00 AM
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ka9mnx Offline
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Thicker oils or HM oils will not fix a gasket leak.


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
1993 F150 4.9 - SuperTech Syn 5w-30/Motorcraft
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383554 03/23/20 09:43 AM
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Donald Offline
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My personal opinion would be to fix anything except the rear main by replacing the gasket or seal rather than hoping a HM oil will fix it.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Which HM oil for minor seeps? [Re: ka9mnx] #5383626 03/23/20 10:58 AM
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TheLawnRanger Offline
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Originally Posted by ka9mnx
Thicker oils or HM oils will not fix a gasket leak.

This is true. My leak is small enough that I thought I'd give the HM oil a shot. Also, I've read here that HM oil sometimes has extra "robust" additives which may or may not be the case. I've actually fixed the problem with a scoop of oil dry as it is.


2011 Impala
2012 Colorado
Oil: 5w30 synthetic
Filters: Wix 51522 for both
Re: Which HM oil for minor seeps? [Re: Gokhan] #5383641 03/23/20 11:21 AM
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Imp4 Offline
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Originally Posted by Gokhan
Go with the M1 HM. You know it's radically different than the vanilla HM and has a lot more seal swellers and cleaning ability...

Oy vey!!!
duh
What 'seal swellers' and 'cleaning ability' can be documented in a TDS???


2001 Mitsubishi Galant 2.4 - 165k+
Grandma's creampuff...
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383677 03/23/20 12:06 PM
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Jackson_Slugger Offline
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I do think M1 HM 5W-20 sealed a lot of weeps on my father's Taurus. I'd try the 5W-30 version...

Re: Which HM oil for minor seeps? [Re: Imp4] #5383735 03/23/20 01:17 PM
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Gokhan Online Content
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Originally Posted by Imp4
Originally Posted by Gokhan
Go with the M1 HM. You know it's radically different than the vanilla HM and has a lot more seal swellers and cleaning ability...
Oy vey!!!
duh
What 'seal swellers' and 'cleaning ability' can be documented in a TDS???

Are you ever going to read the posts before you reply to them? The Super Tech and Super Tech HM are identical formulations to every decimal in the the detailed data sheets. The M1 vanilla and M1 HM are entirely different formulations.

The answer to your question regarding the details of the seal swellers and cleaning ability is obviously whatever they choose to document:

https://www.mobil.com/en-US/Passenger-Vehicle-Lube/pds/NA-XX-Mobil-1-High-Mileage-Oils

Note 1 -- If your engine has excessive sludge deposits due to less-than-adequate maintenance practices, Mobil 1 High Mileage can help by reducing the sludge left behind in your engine. For severe cases of sludge, short oil change intervals (3000 - 5000 miles) are recommended for the first 2-3 oil changes as reduction of the sludge takes place. In cases of engine damage that may have resulted from poor maintenance, even Mobil 1 cannot remedy years of neglect.

Features -- Advantages and Potential Benefits: Seal Conditioner -- Helps to prevent leaks


----------------Super Tech vanilla----------------

Description

ST FS 0W20 dex1 Gen2 6/1Q

Inspection Information Test Method Typical Value

Gravity, °API ASTM D287 35.66
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8465
Flash Point, °C ASTM D92 226
Flash Point, °F ASTM D92 439
Viscosity @ 40°C, cSt ASTM D445 44.59
Viscosity @ 100°C, cSt ASTM D445 8.475
Viscosity Index ASTM D2270 170
Pour Point, °C (°F) ASTM D5950 -45°C (-49°F)
Cold Cranking Simulator at (°C), cP ASTM D5293 5800 (-30)
High Temperature / High Shear Vis at 100°C, cP ASTM D6616 5.76
High Temperature / High Shear Vis at 150°C, cP ASTM D5481 2.7
Noack Volatility, % loss ASTM D6375 13
Color ASTM D1500 3
Zinc, wt. % ASTM D5185 0.085
Phosphorus, wt. % ASTM D5185 0.076
Calcium, wt. % ASTM D5185 0.135
Sulfur, wt. % ASTM D4951 0.3
Magnesium, wt. % ASTM D5185 0.059
Boron, wt. % ASTM D5185 0.023
Molybdenum, wt. % ASTM D5185 0.0079
Sulfated Ash, wt. % ASTM D874 0.9
Nitrogen, wt. % ASTM D4629 0.104
Pumping Viscosity at (°C), cP ASTM D4684 21,000 (-35)
Shear Stability, Final Viscosity in cSt ASTM D6278 7.5
Foam Seq. I (Tendency/Stability), mL ASTM D892 (Opt. A) 0/0
Foam Seq. II (Tendency/Stability), mL ASTM D892 (Opt. A) 5/0
Foam Seq. III (Tendency/Stability), mL ASTM D892 (Opt. A) 0/0
High Temperature Foaming, static foam ASTM D6082 (Opt A) 20/0
TBN, mgKOH/g ASTM D2896 7.9

Claims Information

API SN PLUS Approved
API SN Approved
API SM Meets Requirements
API SL Meets Requirements
API SJ, SH, SG, SF, SE, SD, SC Meets Requirements
dexos1 gen 2 Approved by Brand
Chrysler MS-6395 Meets Requirements
ILSAC GF-5 Approved
ILSAC GF-4, GF-3, GF-2, GF-1 Meets Requirements
GM 6094M Meets Requirements
GM 4718M Meets Requirements
Ford WSS-M2C947-A, WSS-M2C947-B1 Meets Requirement

----------------Super Tech HM----------------

Description

WM HM FS 0W20 DX2 6/1Q

Inspection Information Test Method Typical Value

Gravity, °API ASTM D287 35.66
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8465
Flash Point, °C ASTM D92 226
Flash Point, °F ASTM D92 439
Viscosity @ 40°C, cSt ASTM D445 44.59
Viscosity @ 100°C, cSt ASTM D445 8.475
Viscosity Index ASTM D2270 170
Pour Point, °C (°F) ASTM D5950 -45°C (-49°F)
Cold Cranking Simulator at (°C), cP ASTM D5293 5800 (-30)
High Temperature / High Shear Vis at 100°C, cP ASTM D6616 5.76
High Temperature / High Shear Vis at 150°C, cP ASTM D5481 2.7
Noack Volatility, % loss ASTM D6375 13
Color ASTM D1500 3
Zinc, wt. % ASTM D5185 0.085
Phosphorus, wt. % ASTM D5185 0.076
Calcium, wt. % ASTM D5185 0.135
Sulfur, wt. % ASTM D4951 0.3
Magnesium, wt. % ASTM D5185 0.059
Boron, wt. % ASTM D5185 0.023
Molybdenum, wt. % ASTM D5185 0.0079
Sulfated Ash, wt. % ASTM D874 0.9
Nitrogen, wt. % ASTM D4629 0.104
Pumping Viscosity at (°C), cP ASTM D4684 21,000 (-35)
Shear Stability, Final Viscosity in cSt ASTM D6278 7.5
Foam Seq. I (Tendency/Stability), mL ASTM D892 (Opt. A) 0/0
Foam Seq. II (Tendency/Stability), mL ASTM D892 (Opt. A) 5/0
Foam Seq. III (Tendency/Stability), mL ASTM D892 (Opt. A) 0/0
High Temperature Foaming, static foam ASTM D6082 (Opt A) 20/0
TBN, mgKOH/g ASTM D2896 7.9

Claims Information

API SN PLUS Approved
API SN Approved
API SM Meets Requirements
API SL Meets Requirements
API SJ, SH, SG, SF, SE, SD, SC Meets Requirements
dexos1 gen 2 Approved by Brand
Chrysler MS-6395 Meets Requirements
ILSAC GF-5 Approved
ILSAC GF-4, GF-3, GF-2, GF-1 Meets Requirements
GM 6094M Meets Requirements
GM 4718M Meets Requirements
Ford WSS-M2C947-A, WSS-M2C947-B1 Meets Requirement


2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 70 mpg on gas, ~ 5,000 mi
TGMO 0W-16 SN/RC Japan
OEM spin-on oil filter Japan
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383762 03/23/20 02:01 PM
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Not sure why anybody would ever want to put something with vanilla in it into an engine. Sounds like a sure way to develop a varnish.


De omnibus dubitandum.
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383766 03/23/20 02:04 PM
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IMHO Mobil 1 HM is a very good oil but so is Valvoline and Pennzoil, just pick one.


Kia Sportage 2014 GDI 2.4L
Kia Forte 2014 MPI 1.8L
Re: Which HM oil for minor seeps? [Re: RonRonnster] #5383794 03/23/20 02:39 PM
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RonRonnster Offline OP
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I think I will try Mobil1 HM because I can pick up the exact amount I need (6 quarts) at Sams Club. I may wait until April starts to see if the rebates come out.


- 2007 GMC Yukon XL Denali - 6.2L / 81k mi.
- 1998 Chev K1500 4x4 - 5.7L / 155k mi.
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