Navi, not that this is a negative development, but what led to you changing your longstanding position of simply buying whatever WM has on shelves and changing it every 3k?
Welcome to the light
Welcome to the light
Re-Looking at Amsoil for problem engines.(Ford Ecoboost and GM 5.3/6.2)
- Thread starter Navi
- Start date
I have gone through several strategies over the years depending upon the situation at hand. In earlier versions of the Ford Ecoboost engine for example I was using Mobil Delvac 5W40 ESP until API SP oils came out. The API SP oil worked very well but still sheared to 20 weight so I changed it at 3000 miles. Some people on here said it was designed to shear like that and run it until 10000 miles but I was not comfortable with that. Im not running the ever thinning oil to 10000.Navi, not that this is a negative development, but what led to you changing your longstanding position of simply buying whatever WM has on shelves and changing it every 3k?
Welcome to the light
The Delvac ESP strategy I got from someone on here with a Subaru turbo who was using Shell Rotella T6 5W40 but I used Delvac because it was rated for gas engines API SN. I think it was you using Rotella for the Subaru turbo engine.
Im not married to any one strategy. These engines present new challenges all the time. If they present a challenge we are not just going to junk the vehicle but keep using it until we cant. In that situation we will come up with a mitigation strategy and go with what works.
Right now i accept GMs mitigation strategy of using thicker oil. Ive used thicker oils in the past to mitigate problems. So that is the direction we will take over here.
In the case of Amsoil we looked at it in the past, sent samples to Blackstone and it works very well but its the price. The price of an oil change is too much for me, but it might not be for someone else. The Walmart or Costco strategy involved cheap API SP oils swapped out before they shear to 20 weight. That strategy worked for the Ecoboost and was economical. We were getting 5W30 at Costco for $15 per 5 quarts...Amsoil is like $45 for 4 quarts with a subscription.
Amsoil is a great oil...great results...but its the economics of it all.
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wemay
Site Donor 2023
This oil doesn't claim to meet any of the tougher Euro approvals. As such, i wouldn't compare or flat out call it better than anything on Walmart shelves. Find an Amsoil Euro oil...then you have an argument.
Have you seen my UOA of HPL No VII Euro at 14,400 miles? It didn’t shear one single bit.
I will take a look but let me ask what is the engine? A turbo Subaru?
Amsoil does have a European line of oil but Im not putting this in a European engine. Im talking about problem engines like Ford Ecoboost and GM 5.3/6.2. So I think the 0W40 in their SS line will be best. In this.scenario looking for thick viscosity, lots of wear additives and a good basestock. Resistant to shear...
wemay
Site Donor 2023
I understand your usage case and if Amsoil didn't make an oil referencing tougher Euro approvals, I'd agree that this 0W-40 is a fine choice; In a vacuum, it is great oil, I'm sure. But in the context of this discussion, when M1 EXP can be found on the shelves at Walmart, with all the best approvals in-hand, I cannot claim this Amsoil is better. I'm of the opinion that their (Amsoil) Euro oil is better in this case. And you don't need to drive a European engine in order to use Euro spec'd oils.
wemay
Site Donor 2023
Deleted double post.
Propflux01
$100 Site Donor 2025
A trade-in will!
3.5 EcoBoost, tuned with a couple bolt-ons to about ~500rwhp, 2019 F150 STX.
The Euro oils are tough to beat when you consider performance, overall value and availability. I'll probably just use one going forward after this next run of SS. Per Amsoil though, SS > Euro. Euro is in between XL and SS, but even then there are some specific differences that don't cross over.
Amsoil SS has an SP/GF-6 add pack, but it's significantly boosted in detergency, AW additives, AO, and strong ester cobase. Euro oils, while very good, still keep you in a box. Most oils, whether Euro or not, still use similar additives and base oils. For moderate drain intervals, Euro is probably a better choice. I think when you push drains SS edges out Euro oils. Same with Mobil 1 EP vs their Euro. EP are boosted with more AO mostly likely. And they're still using III/IV base oils.
HPL SuperCar Euro > all comers. Change my mind
Maybe for Memorial Day if we did a group board buy for 1k+ quarts of SuperCar only, @High Performance Lubricants would come up with something “memorable” for us
All those people on the fence about trying SuperCar could get the chance to get in on the fun of running one of the most incredible oils ever available! I’d be in for 24 quarts 
Then again, special products and everyday special board pricing is pretty great, too!
Many of us GM and Ford owners feel like we are now driving a "time bomb" and at the same time car prices have.gone up so we putting more miles on these things. So the end result is doing what we can do which is change the oil. In my case Im not ever returning to 0W20 or 5W30.
In the case of SubieRubyRoo's 500 horsepower Ecoboost truck hell yeah that will need something more than what Walmart can provide and it looks like he settled on HPL When I hear modified 500 horsepower Ecoboost Im thinking at least 50 weight.
In the case of SubieRubyRoo's 500 horsepower Ecoboost truck hell yeah that will need something more than what Walmart can provide and it looks like he settled on HPL When I hear modified 500 horsepower Ecoboost Im thinking at least 50 weight.
According to Lake Speed Jr. NAPA motor oil full synthetic offered more protection than Amsoil proven through science. Does that equate Amsoil to be a bad oil no. It just showed that slick marketing works people buy it it does its job. But why pay more for something that another brand that costs half and gives the same if not better protection. It’s kinda a no brainer. The thing that I have a problem with Amsoil is they make a crud ton of money on their products and I am sure that their profit margins are well above being anemic. Yet they don’t get API or DEXOS certifications on all their products. They say those certifications are pay to play which they are not. The oils have to me strict standards in those test to gain certification. If they say it meets or exceeds API and DEXOS then prove it send it in to get tested otherwise words mean nothing. And if they say we stand behind our product. That promise will fold faster than a cheap lawn chair. Because if you have a motor under warranty and it goes sideways and you take it in and the dealer finds out it’s not API certified or if it’s GM and not Dexos and API or since Amsoil says 20,000 miles between oil changes your warranty is void. Then you go to Amsoil and they ask well did you follow the manufactures recommended oil change intervals? No because your bottle says good for 20,000 miles. Sorry but we can’t help you because you didn’t follow the manufacturer recommended maintenance schedule. That is why I don’t like amsoil.
This post is filled with such misinformation and bait, I’m just waiting for the show.
4WD
$50 site donor 2025
So Amsoil is fish sticks at the price of Almas caviar?
Want me to cite my sources?This post is filled with such misinformation and bait, I’m just waiting for the show.
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