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#1102495 - 03/09/08 07:26 PM Re: What is the deal with Royal purple? [Re: jpr]
cheetahdriver Offline


Registered: 02/06/03
Posts: 561
Loc: springdale, ar
 Originally Posted By: jpr
 Originally Posted By: OilGuy
 Originally Posted By: jpr
[quote=NHSilverado]RP PCMO's are API approved and apparently GM4718M approved, but that's the full extent of independent approvals and certifications that they carry.


Last I saw from GM, RP is nowhere to be found on the GM4718M list - not even on the conventional-level GM6094M list - at least other synthetics that claim GM4718M w/o being on the independently validated list show up as independently validated as GM6094M level performance.

At least the 15W-40 is still a PAO blend.
I cited that since the GM4718M is reportedly listed on their oils bottles. It may be true, since the GM4718M spec seems to be somewhat unique in that you can actually buy the paper which details the requirements and are not reliant on manufacturer testing. If that's the case, it would be possible for RP to verify the oil meets the standard without having the official GM blessing.


while you can buy the paper (i have) which details the testing, if you read it you will find that you have to submit the results to GM for approval, it has to be done through one of their labs, any changes have to be submitted, etc.

if Good Mother doesn't show it on the GM4718M list, it ain't approved, no matter what it says on the bottle. probably the famous "meets or exceeds" verbage.

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#1102520 - 03/09/08 08:11 PM Re: What is the deal with Royal purple? [Re: NHHEMI]
OilGuy Offline


Registered: 08/22/07
Posts: 396
Loc: USA
 Originally Posted By: NHSilverado

Oh, and OilGuy. If you are going to quote me on something make sure "I" am the one who actually said it.


My bad NHS, I just tried to feature the statement I wanted to address and obviously failed to link up the quoter with my quick editing.

If a company has no problem meeting or exceeding a performance spec level (actually taken the tests and passed), I'm sure they'd have no problem easily proving this to the world by showing the data to the 3rd party for independent validation. IF you've actually done the testing - and passed, independent validation is the key. Otherwise, they simply want you to believe them because they said so or printed a spec name on a bottle or data sheet.

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#1102530 - 03/09/08 08:28 PM Re: What is the deal with Royal purple? [Re: cheetahdriver]
jpr Offline


Registered: 12/30/07
Posts: 383
Loc: San Diego, CA
 Originally Posted By: cheetahdriver
 Originally Posted By: jpr
 Originally Posted By: OilGuy
 Originally Posted By: jpr
[quote=NHSilverado]RP PCMO's are API approved and apparently GM4718M approved, but that's the full extent of independent approvals and certifications that they carry.


Last I saw from GM, RP is nowhere to be found on the GM4718M list - not even on the conventional-level GM6094M list - at least other synthetics that claim GM4718M w/o being on the independently validated list show up as independently validated as GM6094M level performance.

At least the 15W-40 is still a PAO blend.
I cited that since the GM4718M is reportedly listed on their oils bottles. It may be true, since the GM4718M spec seems to be somewhat unique in that you can actually buy the paper which details the requirements and are not reliant on manufacturer testing. If that's the case, it would be possible for RP to verify the oil meets the standard without having the official GM blessing.


while you can buy the paper (i have) which details the testing, if you read it you will find that you have to submit the results to GM for approval, it has to be done through one of their labs, any changes have to be submitted, etc.

if Good Mother doesn't show it on the GM4718M list, it ain't approved, no matter what it says on the bottle. probably the famous "meets or exceeds" verbage.
Totally agree with you. I was just looking to explain why RP can reliably state "meets GM4718M specifications" without actually stating "has GM approval"

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#1102546 - 03/09/08 08:52 PM Re: What is the deal with Royal purple? [Re: jpr]
DragRace Offline


Registered: 11/27/06
Posts: 2327
Loc: 1/4 Mile Track
Wow,and the bashing of RP continues. Amazingly,a friend of mine,just sold his 2005 Ford lightening with 200,000 miles and upon selling it,it never used a drop of you guess it,Royal Purple oil!

Yet alot of you so-called oil experts on this forum,bash this oil,say it shears too much out of grade,it's a blend,blah blah blah.I've said it before,there's nothing wrong with this oil.
I've ran this oil as well,had no problems,or regrets.

But some of you just feel the need to bash this oil any chance you get

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#1102577 - 03/09/08 09:39 PM Re: What is the deal with Royal purple? [Re: DragRace]
02zx9r Offline


Registered: 07/05/07
Posts: 3205
Loc: Ball, LA
 Originally Posted By: DragRace

Yet alot of you so-called oil experts on this forum,bash this oil,say it shears too much out of grade,it's a blend,blah blah blah.I've said it before,there's nothing wrong with this oil.
I've ran this oil as well,had no problems,or regrets.

But some of you just feel the need to bash this oil any chance you get


one of the few exceptions where it supossedly performed well
_________________________
2012 Honda Insight EX





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#1102621 - 03/09/08 10:45 PM Re: What is the deal with Royal purple? [Re: DragRace]
Dyoel182 Offline


Registered: 07/23/05
Posts: 1346
Loc: Texas
 Originally Posted By: DragRace

But some of you just feel the need to bash this oil any chance you get


I wouldnt bash it but I dont like their inflated prices or their mis-informed marketing. Pretty much the same reason a lot of us dont like Castrol GTX.

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#1102655 - 03/09/08 11:39 PM Re: What is the deal with Royal purple? [Re: KieferS]
KieferS Offline


Registered: 07/04/06
Posts: 506
Loc: ATL
Well..the truth is i just wanted to run it because it's purple
But i think i may be having second thoughts about this Royal Purple now. The UOA aren't all that for the price of it.
I'm now trying to find the RL UOAs

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#1102661 - 03/09/08 11:55 PM Re: What is the deal with Royal purple? [Re: KieferS]
Audi Junkie Offline


Registered: 11/03/02
Posts: 11247
Loc: PA
Other oil companies can show builder approvals, factory-fills and oem service. RP cannot. Can we can compare RP to Mobil 1 0w-40 and German Syntec, both costing much less. Over the long haul in specifc applications, there is zero room for comaparison. Let's pitch-in for RI_RS4 to run RP 5w-40 in his car, just to see what happens.
_________________________
2008 Opel Astra 1.8 VVT 5M
2010 VW Tiguan 2.0 TSI 6M
(APR Powered)

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#1102760 - 03/10/08 07:25 AM Re: What is the deal with Royal purple? [Re: KieferS]
badtlc Offline


Registered: 06/08/06
Posts: 3769
Loc: KC
 Originally Posted By: KieferS
They seem to really be pushing the 'More HP gain' propoganda- with papers to back it up.. I was watching Powerblock a few weeks ago on SPIKE, and the dyno should like a 5HP gain..there website is filled with proof from other TV shows, such as trucks, ETC. and magazines that show a dyno proven power gain too. Albeit, this is over dino, but still- what is everyones opinion of RP? ..i'll be honest, i'm considering ditching the Synpower i got BOGO and trying out the royal purple for a change on the 2000 mustang i just bought with the 4.6.


It was also backed up by a Joe Gibbs Oil paper. It is a quality oil that is just a bit too expensive for the average user.

There is a mustang UOA, supercharged, who beat the [censored] out of the car and RP was outstanding.

No matter what anyone says on this site, it IS an outstanding product.
_________________________
2007 Ford Escape XLS 2.3L ATX Kendall 5w-20, MC Fl910s, 110k+
2012 Mazda 3i Skyactiv PP 5W-20, 6spd MTX Redline MTL, 35k+

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#1102849 - 03/10/08 09:35 AM Re: What is the deal with Royal purple? [Re: badtlc]
Dyoel182 Offline


Registered: 07/23/05
Posts: 1346
Loc: Texas
 Originally Posted By: badtlc


It was also backed up by a Joe Gibbs Oil paper. It is a quality oil that is just a bit too expensive for the average user.


But please dont tell us the paper has small print detailing the tuneup they did at the same time or the switch to a different grade oil. Those are my issues with the "test data" they seem to throw around.

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#1102865 - 03/10/08 09:53 AM Re: What is the deal with Royal purple? [Re: Dyoel182]
badtlc Offline


Registered: 06/08/06
Posts: 3769
Loc: KC
 Originally Posted By: Dyoel182
 Originally Posted By: badtlc


It was also backed up by a Joe Gibbs Oil paper. It is a quality oil that is just a bit too expensive for the average user.


But please dont tell us the paper has small print detailing the tuneup they did at the same time or the switch to a different grade oil. Those are my issues with the "test data" they seem to throw around.


Considering it was a test to promote Joe Gibbs Racing oil (which did perform best but I don't know that you can buy that over the counter), I think some credible results can be taken from the other oils uses.
_________________________
2007 Ford Escape XLS 2.3L ATX Kendall 5w-20, MC Fl910s, 110k+
2012 Mazda 3i Skyactiv PP 5W-20, 6spd MTX Redline MTL, 35k+

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#1102920 - 03/10/08 11:28 AM Re: What is the deal with Royal purple? [Re: KieferS]
tackleberry625 Offline


Registered: 08/07/06
Posts: 667
Loc: South, FL
 Originally Posted By: KieferS
They seem to really be pushing the 'More HP gain' propoganda- with papers to back it up.. I was watching Powerblock a few weeks ago on SPIKE, and the dyno should like a 5HP gain..there website is filled with proof from other TV shows, such as trucks, ETC. and magazines that show a dyno proven power gain too. Albeit, this is over dino, but still- what is everyones opinion of RP? ..i'll be honest, i'm considering ditching the Synpower i got BOGO and trying out the royal purple for a change on the 2000 mustang i just bought with the 4.6.


I have an 02 Tundra 3.4 V6. I have used RP exclusively from 2,880 miles to 72K. I consistently got 17-18 mpg on the hwy, traveling the same speeds, roads and I always used the same brand/type of gas. I switched to Synpower (same weight, 5w-30) about 2K ago and now I am only getting 14-15mpg. I did not notice a gain/loss in HP, just fuel mileage. My air filter is clean, plugs were changed approximately 8K ago with the factory brand/gap and the truck has 74,383 miles on it and it has been babied all its life.
_________________________
Marvel Mystery Oil believer since 1993. Auto-Rx believer since 2008.

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#1102923 - 03/10/08 11:31 AM Re: What is the deal with Royal purple? [Re: tackleberry625]
02zx9r Offline


Registered: 07/05/07
Posts: 3205
Loc: Ball, LA
havent see you in a while here tack
_________________________
2012 Honda Insight EX





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#1102924 - 03/10/08 11:34 AM Re: What is the deal with Royal purple? [Re: 02zx9r]
02zx9r Offline


Registered: 07/05/07
Posts: 3205
Loc: Ball, LA
everyones opinion will be different. If it works for you and had good results with it then you will believe it is a good oil for the cost.

If you try it and not to impressed with it does that mean it is bad?? Some say yes, some say no.

I personally have never tried it and never will. I am basing my thoughts on it (that it is over priced, marginal performer) from the things i hear others say about it that have used it and they werent to impressed with it and the uoa i occasionally see on it.

There is a uoa on an 08 ranger posted now that it performmed well in. Some do, some dont.
_________________________
2012 Honda Insight EX





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#1102943 - 03/10/08 12:16 PM Re: What is the deal with Royal purple? [Re: 02zx9r]
Ponch Offline


Registered: 01/12/08
Posts: 263
Loc: Bay City Michigan
I too read a magazine article of someone who dynoed an engine, with conventional, and then royal purple. It was NOT an apples to apples test. (conventional 10w40,RP5w30). Do these people think we are really that stupid? I too will never use it based on the things I hear on this forum about UOA'S.

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