I am running Maxlife for the first time ( 10W-40 ) and i like it, main things to report would be it has slowed down a few small leaks / weeps, and noticeably quieter hydraulic tappets.
General thoughts on high milage oils.
- Thread starter tblt44
- Start date
Triple_Se7en
$50 Site Donor 2024
I would use HMs for leaks and weeps...... but that's it. My last vehicle where I needed HM oils was my 1994 Dodge Caravan and I donated that 260k vehicle to a poor man that did various home repairs for me in 2010.
It always seems I owe Mr. Locke more and than what he owes me. His prices, quality, trust and kindness are very good.
It always seems I owe Mr. Locke more and than what he owes me. His prices, quality, trust and kindness are very good.
Most if not all are API and DEXOS certified. My thoughts are HM are quality PCMO'S.
Triple_Se7en
$50 Site Donor 2024
Originally Posted by dave1251
Most if not all are API and DEXOS certified. My thoughts are HM are quality PCMO'S.
After reading this, I went to check my half-full jug. Our Pennzoil Platinum HM 5w30, purchased in February, is not Dexos1 / Gen2.
Most if not all are API and DEXOS certified. My thoughts are HM are quality PCMO'S.
After reading this, I went to check my half-full jug. Our Pennzoil Platinum HM 5w30, purchased in February, is not Dexos1 / Gen2.
Originally Posted by Triple_Se7en
Originally Posted by dave1251
Most if not all are API and DEXOS certified. My thoughts are HM are quality PCMO'S.
After reading this, I went to check my half-full jug. Our Pennzoil Platinum HM 5w30, purchased in February, is not Dexos1 / Gen2.
And?
Originally Posted by dave1251
Most if not all are API and DEXOS certified. My thoughts are HM are quality PCMO'S.
After reading this, I went to check my half-full jug. Our Pennzoil Platinum HM 5w30, purchased in February, is not Dexos1 / Gen2.
And?
A lot of people say valvoline is the favored hm oil, I have used it many oil changes.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
Originally Posted by tblt44
A lot of people say valvoline is the favored hm oil, I have used it many oil changes.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
Add a bottle of moly to any hm oil.
A lot of people say valvoline is the favored hm oil, I have used it many oil changes.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
Add a bottle of moly to any hm oil.
Originally Posted by ARB1977
Originally Posted by tblt44
A lot of people say valvoline is the favored hm oil, I have used it many oil changes.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
Add a bottle of moly to any hm oil.
I may consider that.
Is it possible to have too much anti friction additives ?
Originally Posted by tblt44
A lot of people say valvoline is the favored hm oil, I have used it many oil changes.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
Add a bottle of moly to any hm oil.
I may consider that.
Is it possible to have too much anti friction additives ?
Originally Posted by tblt44
A lot of people say valvoline is the favored hm oil, I have used it many oil changes.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
You are confusing anti-wear and friction modifier additives.
A lot of people say valvoline is the favored hm oil, I have used it many oil changes.
My only thing is the lack of moly. I know moly is not the only anti wear additive but it is one many people like.zinc has been reduced in all oils also.
What anti wear additives make up for there lack of moly in valvoline.
I have 200+ and tow 5k trailer for up to 5 hrs in 3rd gear in my tahoe in 95 deg florida heat, this keeps my RPMs sround 2500 at 65 for hours on interstate.
I would go gas truck but wanted a hm oiil.
You are confusing anti-wear and friction modifier additives.
Triple_Se7en
$50 Site Donor 2024
Originally Posted by dave1251
Originally Posted by Triple_Se7en
Originally Posted by dave1251
Most if not all are API and DEXOS certified. My thoughts are HM are quality PCMO'S.
After reading this, I went to check my half-full jug. Our Pennzoil Platinum HM 5w30, purchased in February, is not Dexos1 / Gen2.
And?
... and...... look at the bold words you posted there. Pennzoil Plat HM is not the only one missing a Dexos 1 stamp on front of the jug.
Originally Posted by Triple_Se7en
Originally Posted by dave1251
Most if not all are API and DEXOS certified. My thoughts are HM are quality PCMO'S.
After reading this, I went to check my half-full jug. Our Pennzoil Platinum HM 5w30, purchased in February, is not Dexos1 / Gen2.
And?
... and...... look at the bold words you posted there. Pennzoil Plat HM is not the only one missing a Dexos 1 stamp on front of the jug.
Castrol EDGE High Mileage
VALVOLINEâ„¢ FULL SYNTHETIC HIGH MILEAGE WITH MAXLIFEâ„¢ TECHNOLOGY MOTOR OIL
SuperTech High Mileage
AmazonBasics 5w30 - Best New Engine High Mileage Oil
Are a few High Mileage oils which have at least a 3.0 GPA.
Well you should quit buying low quality high school dropouts of Motor Oil such as Mobil One High Mileage and Pennzoil Platinum High Mileage. Them drop outs can not even obtain the GPA to become DEXOS certified.
House Brands such as Super Tech, Napa, Federated, O'Reilly's, Proline, Car Quest, Kirkland, Quick Trip, Prime Guard, and phone book of others reach the honor roll.
Pennzoil and Mobil HM are dropouts or have other academic deficiencies.
VALVOLINEâ„¢ FULL SYNTHETIC HIGH MILEAGE WITH MAXLIFEâ„¢ TECHNOLOGY MOTOR OIL
SuperTech High Mileage
AmazonBasics 5w30 - Best New Engine High Mileage Oil
Are a few High Mileage oils which have at least a 3.0 GPA.
Well you should quit buying low quality high school dropouts of Motor Oil such as Mobil One High Mileage and Pennzoil Platinum High Mileage. Them drop outs can not even obtain the GPA to become DEXOS certified.
House Brands such as Super Tech, Napa, Federated, O'Reilly's, Proline, Car Quest, Kirkland, Quick Trip, Prime Guard, and phone book of others reach the honor roll.
Pennzoil and Mobil HM are dropouts or have other academic deficiencies.
Mobil 1 hm used to be considered a very stout oil.
Not sure if that's still the case.
I hate that oil changes all the time, tough to keep track.
All these new specs oil keeps getting thinner also.
I kind of like the thicker of the grade for high milage trucks. Sn plus has thinned out many oils at operating temp. No idea why I'm not educated enough on oil chemistry. Just want a good oil to withstand higher revs for long periods towing under load and stay in grade for 7500 miles
Not sure if that's still the case.
I hate that oil changes all the time, tough to keep track.
All these new specs oil keeps getting thinner also.
I kind of like the thicker of the grade for high milage trucks. Sn plus has thinned out many oils at operating temp. No idea why I'm not educated enough on oil chemistry. Just want a good oil to withstand higher revs for long periods towing under load and stay in grade for 7500 miles
Originally Posted by tblt44
Mobil 1 hm used to be considered a very stout oil.
Not sure if that's still the case.
I hate that oil changes all the time, tough to keep track.
All these new specs oil keeps getting thinner also.
I kind of like the thicker of the grade for high milage trucks. Sn plus has thinned out many oils at operating temp. No idea why I'm not educated enough on oil chemistry. Just want a good oil to withstand higher revs for long periods towing under load and stay in grade for 7500 miles
You must be new. Most PCMO'S have not stayed in grade throughout the OCI nor have they since muti-grades existed.
https://www.bobistheoilguy.com/foru...p;Words=Terry&Search=true#Post941621
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1947181
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/117610/2
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/729254/1
In short all oils shear it's a known factor and it's assumed.
Mobil 1 hm used to be considered a very stout oil.
Not sure if that's still the case.
I hate that oil changes all the time, tough to keep track.
All these new specs oil keeps getting thinner also.
I kind of like the thicker of the grade for high milage trucks. Sn plus has thinned out many oils at operating temp. No idea why I'm not educated enough on oil chemistry. Just want a good oil to withstand higher revs for long periods towing under load and stay in grade for 7500 miles
You must be new. Most PCMO'S have not stayed in grade throughout the OCI nor have they since muti-grades existed.
https://www.bobistheoilguy.com/foru...p;Words=Terry&Search=true#Post941621
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1947181
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/117610/2
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/729254/1
In short all oils shear it's a known factor and it's assumed.
- Joined
- Dec 30, 2006
- Messages
- 29,558
Any Quaker State High Mileage oil users here presently?
Originally Posted by dave1251
Castrol EDGE High Mileage
VALVOLINEâ„¢ FULL SYNTHETIC HIGH MILEAGE WITH MAXLIFEâ„¢ TECHNOLOGY MOTOR OIL
SuperTech High Mileage
AmazonBasics 5w30 - Best New Engine High Mileage Oil
Are a few High Mileage oils which have at least a 3.0 GPA.
Well you should quit buying low quality high school dropouts of Motor Oil such as Mobil One High Mileage and Pennzoil Platinum High Mileage. Them drop outs can not even obtain the GPA to become DEXOS certified.
House Brands such as Super Tech, Napa, Federated, O'Reilly's, Proline, Car Quest, Kirkland, Quick Trip, Prime Guard, and phone book of others reach the honor roll.
Pennzoil and Mobil HM are dropouts or have other academic deficiencies.
Could you perhaps go into the different curriculum these students were subjected to? Why did they drop out? Perhaps it was just bad home life.
Castrol EDGE High Mileage
VALVOLINEâ„¢ FULL SYNTHETIC HIGH MILEAGE WITH MAXLIFEâ„¢ TECHNOLOGY MOTOR OIL
SuperTech High Mileage
AmazonBasics 5w30 - Best New Engine High Mileage Oil
Are a few High Mileage oils which have at least a 3.0 GPA.
Well you should quit buying low quality high school dropouts of Motor Oil such as Mobil One High Mileage and Pennzoil Platinum High Mileage. Them drop outs can not even obtain the GPA to become DEXOS certified.
House Brands such as Super Tech, Napa, Federated, O'Reilly's, Proline, Car Quest, Kirkland, Quick Trip, Prime Guard, and phone book of others reach the honor roll.
Pennzoil and Mobil HM are dropouts or have other academic deficiencies.
Could you perhaps go into the different curriculum these students were subjected to? Why did they drop out? Perhaps it was just bad home life.
- Joined
- May 28, 2014
- Messages
- 2,261
I run Royal Purple's HMX 5w30 ( their high mileage oil) as it's a good oil for a 4-stroke lawn tractor.
Otherwise I've never ran a high mileage oil in any vehicle I've owned.
Otherwise I've never ran a high mileage oil in any vehicle I've owned.
Originally Posted by tblt44
Mobil 1 hm used to be considered a very stout oil.
M1 HM 10w-30 is ACEA A3/B3 (very "stout"). M1 HM 5w-30 is ACEA A5/B5 (good oil but not so "stout")
Mobil 1 hm used to be considered a very stout oil.
M1 HM 10w-30 is ACEA A3/B3 (very "stout"). M1 HM 5w-30 is ACEA A5/B5 (good oil but not so "stout")
Last edited:
Based on what we've seen here I don't think I'd trust any UOA done by Blackstone to conclusively determine that a viscosity deviation was due to mechanical shear. They have demonstrated they cannot tell the difference between shear and fuel dilution. Personally I don't think they can measure viscosity properly either.
I think actual instances of mechanical shear in a passenger car engine are few and far between. VII polymers aren't that fragile, nor do all oils have the same quantity nor quality of VII. Oil molecules themselves do not shear.
Originally Posted by dave1251
You must be new. Most PCMO'S have not stayed in grade throughout the OCI nor have they since muti-grades existed.
https://www.bobistheoilguy.com/foru...p;Words=Terry&Search=true#Post941621
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1947181
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/117610/2
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/729254/1
In short all oils shear it's a known factor and it's assumed.
I think actual instances of mechanical shear in a passenger car engine are few and far between. VII polymers aren't that fragile, nor do all oils have the same quantity nor quality of VII. Oil molecules themselves do not shear.
Originally Posted by dave1251
You must be new. Most PCMO'S have not stayed in grade throughout the OCI nor have they since muti-grades existed.
https://www.bobistheoilguy.com/foru...p;Words=Terry&Search=true#Post941621
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1947181
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/117610/2
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/729254/1
In short all oils shear it's a known factor and it's assumed.
When mutiple labs conclude shear with minimal dilution not everyone is incompetent.
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1437629
https://www.bobistheoilguy.com/foru...2500-valvoline-hm-diesel-15w40-29k-miles
https://www.bobistheoilguy.com/foru...-6-7ps-9-5k-miles-valvoline-premium-blue
Labs even show shear in applications with no contact with fuel.
https://www.bobistheoilguy.com/foru...9-jeep-rubicon-f-r-axle-uoas-5-000-miles
So mechanical shear in the real world happens and it is very common and the less than 5% of fuel in the crank case isn't not a cause of concern. Try a UOA on a slightly rich carb and you will see real fuel dilution.
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1437629
https://www.bobistheoilguy.com/foru...2500-valvoline-hm-diesel-15w40-29k-miles
https://www.bobistheoilguy.com/foru...-6-7ps-9-5k-miles-valvoline-premium-blue
Labs even show shear in applications with no contact with fuel.
https://www.bobistheoilguy.com/foru...9-jeep-rubicon-f-r-axle-uoas-5-000-miles
So mechanical shear in the real world happens and it is very common and the less than 5% of fuel in the crank case isn't not a cause of concern. Try a UOA on a slightly rich carb and you will see real fuel dilution.
