Group IV Motor Oils on the Market

[KE2K1]

What brands currently use group IV base oils in their motor oils (specifically 5w20).

I've heard that mobil 1 is both group III and IV from various sources and the only amsoil product in 5w20 is group III iirc. I have been unable to find information on Royal purple either.

Please help.

 

[PT1]

Help? Dial 1-800-amsoil....probably the only oil producer that will admit which of their blends is GrpIII and which is GrpIV and price accordingly. RP might be a grpIV but who knows?

 

[Gilitar]

The ones that I know are Group IV are as follows:

Amsoil.. call them as PT1 says to find out which ones are Group IV

Royal Purple.. I know someone on the inside there

Thats all that I know of for sure. Might I ask why you need a group IV?

 

[Gilitar]

Oh BTW,

 

[Pablo]

Why not use Amsoil 0W-20? It is Group IV.

Amsoil ASL 0W-20

 

[badtlc]

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RP might be a grpIV but who knows?

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RP 5w20 is most definitely Group IV.

 

[unDummy]

Haven't seen any proof that RP's auto oil line is G-IV.
The RP MSDS uses the word 'diluent'. Thats as bad as Mobil's 'exclusive of additive carrier'.

You shouldn't shop for an oil based on group oil. Shop on performance.

IMO, ANY synthetic 5w20 or 0w20 will perform well enough.

 

[badtlc]

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Haven't seen any proof that RP's auto oil line is G-IV.
The RP MSDS uses the word 'diluent'. Thats as bad as Mobil's 'exclusive of additive carrier'.

You shouldn't shop for an oil based on group oil. Shop on performance.

IMO, ANY synthetic 5w20 or 0w20 will perform well enough.

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You should do some searching then. Royal Purple has been up front with any questions customers have had. Royal Purple being made of only Group IV with a a Group I carrier oil is information that comes straight from Royal Purple. Email them yourself if you feel the need, but an email saying as much has been posted, by me, on this site already.

 

[buster]

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You shouldn't shop for an oil based on group oil. Shop on performance.

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You are 100% correct. People don't know what they are talking about when they buy an oil based on one specific component. You can have a #@$%! PAO oil and a great Grp III. All depends on the quality of additives, chemist and goal in mind.

Actually lets use RP as an example. Why does RP shear in most applications? If it's PAO/Ester, it should have higher film strength. Mobil 1 never shears and it's Grp III/IV/V.

Most synthetics other than Redline are going in the direction of Grp III mixed in with PAO/Esters. In the end you should buy based on performance.

 

[KE2K1]

thanks for the info guys

i dont really NEED group IV

it's just this is the first new car that my family's gotten in like 8 years so i wanna take care of it, the previous cars havn't been neglected but they wern't pampered either

i figure if i'm gonna pay 30-40 something dollars for an oil change why not just spend that on a good synthetic and do it myself ??

the reason i'm askin for group IV is cuz i know all else equal a PAO/ester synthetic base oil would be superior to a cracked dino oil

since all the products are relatively the same price (i really dont mind paying 10 or 15 dollars more since an oil change interval is so long) i figure, hey why not get the one with the better base oil ?? I realize that the additives play a major role in the performance of the oil too but i guess it's just the ricer or fanboy in me that has to have the "best" even if it may not really be the best.

I'm adament on using the factory recommended 5w20 and I want to use synthetic (group III minimum). Lookin at M1, RP, Ams (but i cant find a place that sells it around here so that's prolly out). Ive heard good things about all three of these brands while i've heard not so good things about castrol and penzoil, I'd also prefer not to use a no name or "#@$%!" brand just for peace of mind. If however the performance of these so called "#@$%!" brands are significantly better than my so called "good" brands then I would have no qualms about using the "#@$%!" brand, however I'm still in the midddle of exams and dont have the time to go through the data and spec sheets from all the manufactuters.

 

[Blue99]

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Haven't seen any proof that RP's auto oil line is G-IV.
The RP MSDS uses the word 'diluent'. Thats as bad as Mobil's 'exclusive of additive carrier'.

You shouldn't shop for an oil based on group oil. Shop on performance.

IMO, ANY synthetic 5w20 or 0w20 will perform well enough.

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You should do some searching then. Royal Purple has been up front with any questions customers have had. Royal Purple being made of only Group IV with a a Group I carrier oil is information that comes straight from Royal Purple. Email them yourself if you feel the need, but an email saying as much has been posted, by me, on this site already.

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Just my opinion, but it's borderline rude to tell a member with the posting history of unDummy to do a search.

Heck, he probably posts more factual content in one week than many members do in a year.

This issue of Royal Purple base oil content has been going on for several years now, and unDummy has company as I don't recall, either, seeing an e-mail that settled the issue once & for all.

Please provide a link so we all can re-view it. (and evidently some of us for the first time...)

 

[buster]

KE2, most oils you buy all have the same/similar additive package and offer about the same performance generally speaking. There are only a handful of additive suppliers.

If you're interested in extended drains, contact Pablo/Gary and try Amsoil. You could also always try Mobil 1 EP.

 

[DragRace]

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Haven't seen any proof that RP's auto oil line is G-IV.
The RP MSDS uses the word 'diluent'. Thats as bad as Mobil's 'exclusive of additive carrier'.

You shouldn't shop for an oil based on group oil. Shop on performance.

IMO, ANY synthetic 5w20 or 0w20 will perform well enough.

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You should do some searching then. Royal Purple has been up front with any questions customers have had. Royal Purple being made of only Group IV with a a Group I carrier oil is information that comes straight from Royal Purple. Email them yourself if you feel the need, but an email saying as much has been posted, by me, on this site already.

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Just my opinion, but it's borderline rude to tell a member with the posting history of unDummy to do a search.

Heck, he probably posts more factual content in one week than many members do in a year.

This issue of Royal Purple base oil content has been going on for several years now, and unDummy has company as I don't recall, either, seeing an e-mail that settled the issue once & for all.

Please provide a link so we all can re-view it. (and evidently some of us for the first time...)

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Here is the link that contains an email from Royal Purple
http://theoildrop.server101.com/forums/s...true#Post791243

Once AGAIN, a bunch of bad mouthing a oil (Royal Purple) thats used by many people,including myself.There are mustang message boards with people who use royal Purple in their street vehicles and race cars. There are many,many other automotive related forums that give this oil praise.there are construction companies locally that use Royal Purple products in their equipment,I mean come on.Then,there's BITOG. More bad mouthing of this oil then I've ever seen anywhere else.

 

[BrianWC]

Are there really any BAD 20 weight oils? I'm partial to M1 0w20 but it's overkill for most apps.

 

[aquariuscsm]

Hey Gilitar,how would you rate the new Mobil 1`s 15W50 to Royal Purple`s 10W40 for use in my Z? Patrick Burris emailed me and said he`d recommend that particular oil. He said it has a film strength 400% tougher than the leading synth oils.

Thought I`d get your opinion since you have some inside scoop there. Pretty cool!

Thanks!

 

[sxg6]

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Once AGAIN, a bunch of bad mouthing a oil (Royal Purple) thats used by many people,including myself.There are mustang message boards with people who use royal Purple in their street vehicles and race cars. There are many,many other automotive related forums that give this oil praise.there are construction companies locally that use Royal Purple products in their equipment,I mean come on.Then,there's BITOG. More bad mouthing of this oil then I've ever seen anywhere else.

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Once AGAIN another newbie singing praise about an oil without any factual evidence to back it up. Dude, i don't care how many people use an oil without any problems, that doesn't mean its a great oil and worth the $$.

I've never had a family member or friend complain about the oil in their car, because almost any oil out there will run great as long as its the weight recommended by the mfg, or close to it.

I'm going off memory, but i don't recall RP uoa's being all that great. So I guess im gonna have to hop on the bandwagon and say its not all that great of an oil for the money. At least im going off real data instead of just saying.. It's always worked fine for me! You can get that kind of #@$%! at any message board on the internet. What makes bitog great is the fact that we cut through that #@$%! of what feels best, what makes my engine sound the quietest, whats always worked fine for my brothers cousins bosses daughter, and we use real data, facts to come to a conclusion about a product.

 

[Bobert]

From what I understand Pennzoil Platinum 0w-20 is Group IV, however the other grades of PP are not. I think it's hard to find though.

 

[tenderloin]

Torco SR 5

http://www.torcoracingoils.com/products/...ype=motor%20oil

 

[98LSC32V]

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Hey Gilitar,how would you rate the new Mobil 1`s 15W50 to Royal Purple`s 10W40 for use in my Z? Patrick Burris emailed me and said he`d recommend that particular oil. He said it has a film strength 400% tougher than the leading synth oils.

Thought I`d get your opinion since you have some inside scoop there. Pretty cool!

Thanks!

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Why are you running such thick oils in your non turbo 300zx? Run a 30 weight oil that's all you need and you will have better throttle response as well.

 

[DragRace]

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Once AGAIN, a bunch of bad mouthing a oil (Royal Purple) thats used by many people,including myself.There are mustang message boards with people who use royal Purple in their street vehicles and race cars. There are many,many other automotive related forums that give this oil praise.there are construction companies locally that use Royal Purple products in their equipment,I mean come on.Then,there's BITOG. More bad mouthing of this oil then I've ever seen anywhere else.

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Once AGAIN another newbie singing praise about an oil without any factual evidence to back it up. Dude, i don't care how many people use an oil without any problems, that doesn't mean its a great oil and worth the $$.

I've never had a family member or friend complain about the oil in their car, because almost any oil out there will run great as long as its the weight recommended by the mfg, or close to it.

I'm going off memory, but i don't recall RP uoa's being all that great. So I guess im gonna have to hop on the bandwagon and say its not all that great of an oil for the money. At least im going off real data instead of just saying.. It's always worked fine for me! You can get that kind of #@$%! at any message board on the internet. What makes bitog great is the fact that we cut through that #@$%! of what feels best, what makes my engine sound the quietest, whats always worked fine for my brothers cousins bosses daughter, and we use real data, facts to come to a conclusion about a product.

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You call me a newbie,let me guess,it's because of post count right? Wow your brilliant. I've got better things to do that are more demanding then to sit online and worry about what you think.Far as facts are concerned,as long as a motors bearings show a nice wear pattern,are within spec / clearance,cylinders show a nice wear pattern,cam lobes are in tolerance,thats evidence enough for me.You wanna call me a newbie,you can get yourself some tools,march your happy self to MY shop,I'll show you who the newbie is.