Oil Discussion Thread

Interesting, let us know how you make out. I have been thinking of running the Amsoil gear oil on my next change. I'm going to give it a go in the rear diff this weekend. I use their signature series motor oil and filter. And so far no issues. I really wish they had an oil pressure gauge instead of the low pressure switch in the sho.


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PUP specs


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Where does it state the "total base number"?

It's like they don't want you to know that it's fake synthetic hydrocracked group III oil lol
 
ajpturbo said:
Where does it state the "total base number"?

It's like they don't want you to know that it's fake synthetic hydrocracked group III oil lol
Group categories are not “ratings,” they are categories based on the API 1509 classification system. For example, Group I means “conventional, solvent refined” base oil (not considered synthetic); Group II means “hydroprocessed/hydrocracked” base oil (not considered synthetic); Group III means “all hydroprocessing/hydrocracking + isomerization” base oil (which is considered synthetic); Group III can also mean “Gas to Liquids (GtL), which is what the Pennzoil Platinum motor oils with PurePlus Technology are made from (immensely simplified, GtL means: “from Natural Gas/Methane to hydrocracker to base oil”)(which is also considered synthetic); Group IV means Poly Alpha Olefin/PAO” base oil (considered synthetic). Group V means “everything else”

The Pennzoil Platinum and Pennzoil Ultra Platinum motor oils with PurePlus Technology are both made using the Group III Gas to Liquids base oil, which is a truly “synthesized from natural gas” synthetic base oil. But please remember, today’s PCMO engine oils contain somewhere between 18-23% additives so, you can have the greatest base oil, but if you couple it with a mediocre additive package, you will have a mediocre finished product! This is where our “PurePlus” name derives from: Gas to Liquids “Pure” base oil + the most advanced “Plus” additive package
 
It actually took some digging in shells website to find that chart. Definitely not prominently displayed


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You can do all the research you want on which oil is far superior than the other,the best way to come to a conclusion would be just changing your oil more frequently(shorter intervals)especially in the summer and running a tune,which to me 3-4k intervals.  Z
 
ZSHO said:
You can do all the research you want on which oil is far superior than the other,the best way to come to a conclusion would be just changing your oil more frequently(shorter intervals)especially in the summer and running a tune,which to me 3-4k intervals.  Z

Nah the best way is to have a used oil analysis done...3-4k is a complete and total waste of money if using a real synthetic....big oil loves the people who still believes in what our paps used to tell us about oil....I used to think 3k was the rule until I realized oil technology has advanced
 
I'm about 800mi away from my 5k mile oil change interval, 55,000 miles. Will be switching to Amsoil Signature


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ajpturbo said:
ZSHO said:
You can do all the research you want on which oil is far superior than the other,the best way to come to a conclusion would be just changing your oil more frequently(shorter intervals)especially in the summer and running a tune,which to me 3-4k intervals.  Z

Nah the best way is to have a used oil analysis done...3-4k is a complete and total waste of money if using a real synthetic....big oil loves the people who still believes in what our paps used to tell us about oil....I used to think 3k was the rule until I realized oil technology has advanced
If you want to get technical in regards to oil based properties of course Blackstone has a reputable background which you can send a sample to,and in my opinion marketing and sponsors of a specific oil has advanced to another level providing false claims that its a true synthetic,and lastly my opinion was based on the car being tuned with the combination of the summer heat which surely takes a toll out of our turbo engines. Z
 
I agree, Z, one's observations as to how a product performs on/in their vehicle is at least as important as the technical information from published PDS/MSDS documents and oil analyses (for example).  You should do what fits within your comfort zone, or your personality, ultimately.  I mean if you really wanted to, you could blueprint the engine after a teardown every so often!
 
wasinger3000 said:
My plan is to get a sample of my RP HPS at 4k, then send in a sample of PUP at 4k and see how they line up.
I wonder if Blackstone will do the "scar" test that was on ye olde comparative report :)
 
SHOdded said:
wasinger3000 said:
My plan is to get a sample of my RP HPS at 4k, then send in a sample of PUP at 4k and see how they line up.
I wonder if Blackstone will do the "scar" test that was on ye olde comparative report :)
I'll have to ask them, only problem with my samples I'll be sending in is the RP has been in the car all winter and had a lot of beatings, when I send the PUP in it will be mostly highway miles with plenty of wot runs. So it won't be a fair fight but interesting to look at.
 
The tbn is one of the normal things you judge a oil change on. When it drops to low its time to change the oil. This is of course assuming your wear metals, fuel dilution,  viscosity, and coolant indicators are all low or with in normals.
 
panther427 said:
The tbn is one of the normal things you judge a oil change on. When it drops to low its time to change the oil. This is of course assuming your wear metals, fuel dilution,  viscosity, and coolant indicators are all low or with in normals.

I am interested in fuel dilution the most. Not sure how much methanol affects the oil life.
 
Fwiw I was looking at UOAs for the EcoBoost 3.5 on the trucks (none of the transverse owners seemed to have posted UOA reports) and all of them have fuel dilution issues causing 5W30 to be more like a xW20 at 4000 to 5000 Mikes normal usage. I just saw an ad in Top Gear stating the road car Ford GT will use Castrol Edge Supercar, and the UK site shows the Supercar oil in 10W60. It makes me wonder if the xW60 is needed to compensate for fuel dilution especially when the GT runs an extra fuel pump.
 
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