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Old 09-11-2008, 06:26 PM
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Royal Purple Oil

I was told to use Royal Purple oil when I decide to change my oil.... Well I was wondering if this stuff would be any good? It's nearly $8 a quart! Anyways, I went to get some but the guy at O'Reilly asked if the car has ever had synthetic oil in it before. I told him I don't know since I've only had it a month and hadn't had a oil change since. Well he said that Royal Purple could be bad for the car if it hasn't ever had synthetic oil in it before it would eat away at the seals and cause leaking. Is this true? I ended up getting Castrol Synthetic Blend anyhow. But I'm still wondering if this could be true?
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Old 09-11-2008, 06:29 PM
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Re: Royal Purple Oil

synthetic oil tends to leak out of older cars that previously used conventional.
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Old 09-11-2008, 06:39 PM
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Re: Royal Purple Oil

Royal purple sucks dont buy that stuff.....What year is your car? How many miles?
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Old 09-11-2008, 09:38 PM
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Re: Royal Purple Oil

92, original motor, its 400 miles shy of breaking 200k. i ended up putting castrol blend in it. i also changed my plugs... and oh lord... they were champion plugs gapped at .055 :/
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Old 09-11-2008, 09:56 PM
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Re: Royal Purple Oil

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Originally Posted by 97' Lude View Post
Royal purple sucks dont buy that stuff.....What year is your car? How many miles?
hahaha, you are full of ****... I could see an arguement for "it's not worth it," but not that "it sucks"...

I use RP with no issues, but my h22a was under 25,000 miles... had a couple leaks fixed before I started using it and no issues since. It is not actually a full synthetic, but I am not sure I would use it in an engine with 200k+, I would use some castrol gtx (my h23a1 was sucking down the 20w50 with 227,000mi on it), replaced every 3k and wait for the engine to start showing it's age; then I would get an h22a and use royal purple, mobile1, or a some quality synthetic.
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Old 09-11-2008, 09:56 PM
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Re: Royal Purple Oil

Yeah like ogsmakdade said you shouldn't put full synthetic in a high milage engine. Did you go with NGK when you changed your sparkplugs?
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Old 09-11-2008, 10:09 PM
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Re: Royal Purple Oil

yeah mr_y82... I plan on saving the money and wait for the engine to start to show its age.. right now it's still running strong, doesn't smoke (knock on wood), doesn't leak (knock on wood) and the engine bay is clean as a whistle. It's been well taken care of before I got it I tell ya that.
97' Lude - Sure did, I went with the V-power... The ones that the sticker on the air box told me to put in it! Heard that the Iridium plugs were dyno proven to lose 7+whp?
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Old 09-11-2008, 10:09 PM
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Re: Royal Purple Oil

i can vouch, my 200k mile beast took mobil one like a bitch! ( meaning it took it fine)
thats a fallacy and not true at all,(that synthetics make it leak) i thought it was true, but it ended up being my cam seal which was 100,000 miles toast anyway
it hasnt leaked since.
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Old 09-11-2008, 10:16 PM
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Re: Royal Purple Oil

^this guys engine is some kind of freak... Mobile 1 is a little cheaper, I'd prob go with that over the royal purple for now if you decide to switch... cheap castrol, changed often, did my h23a1 right for 3 years (it used about a quart/1000mi when I got it and never got worse until the day I traded it for some new kyb agxes... not counting the day the oil cooler seal gave way)... so if you plan on a swap it is up to you to decide if it's worth it... mobile 1 and 5,000 mile intervals or something might be an option as well.

Just run some decent NGK plugs...
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Old 09-11-2008, 10:29 PM
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Re: Royal Purple Oil

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Originally Posted by mr_y82 View Post
^this guys engine is some kind of GOD...
fixed for ya
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but seriously, if you want to run synthetic, run a blend for two oil changes, then run a full syn, then change the oil after 2000k and it shouldnt leak at all.
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Old 09-11-2008, 10:42 PM
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Re: Royal Purple Oil

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Originally Posted by mr_y82 View Post
hahaha, you are full of ****... I could see an arguement for "it's not worth it," but not that "it sucks"...

I use RP with no issues, but my h22a was under 25,000 miles... had a couple leaks fixed before I started using it and no issues since. It is not actually a full synthetic, but I am not sure I would use it in an engine with 200k+, I would use some castrol gtx (my h23a1 was sucking down the 20w50 with 227,000mi on it), replaced every 3k and wait for the engine to start showing it's age; then I would get an h22a and use royal purple, mobile1, or a some quality synthetic.
They add graphite in it that accelerates engine wear.
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Old 09-11-2008, 10:43 PM
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Re: Royal Purple Oil

in royal purple or mobil1?
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Old 09-11-2008, 10:54 PM
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Re: Royal Purple Oil

royal purple
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Old 09-11-2008, 11:04 PM
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Re: Royal Purple Oil

Thanks guys for all the help and info!
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Old 09-11-2008, 11:04 PM
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Re: Royal Purple Oil

royal purple is good stuff but it's deffinately not the most exspensive stuff out there like a lot of people think it is, its a pretty average price for a good synthetic oil, the mobil 1 4T racing oil that i run in my motorcycle is almost 10$ a quart
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Old 09-11-2008, 11:06 PM
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Re: Royal Purple Oil

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Originally Posted by 97' Lude View Post
They add graphite in it that accelerates engine wear.
umm... offer me some proof, a valid source, or something... people I know who have torn down engines that used royal purple say they are among the cleanest they have seen... I have a friend who has regularly revved his h22a civic to 8000+ rpms for the last 5 years and he has one of the freak h22as that uses almost no oil... I kinda trust my boys by now...

I would be open-minded to your idea if you could provide a little more substance...
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Old 09-11-2008, 11:22 PM
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Re: Royal Purple Oil

^^I completely understand what your saying and mabey its just cause honda's hold up better to abuse. I used to drive a 2000 celica gts and knew a couple other guys with celicas and we all had worn rod bearings because of Royal purple. But anyways i used to have a thread saved from Newcelica.org with proof of this but they had trouble with there server and it got deleted.
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Old 09-11-2008, 11:36 PM
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Re: Royal Purple Oil

i was talking to one of my boyz i work with(drives a vr4)...he read somewhere that RP gained about 8whp in and EVO But i also called the Castrol company at my job, and asked them about the synthetic blend oil...it actually only contains about 10% synthetic oil...Now is that worth the price over High Mileage or Conventional oil??? I dont think so, Hell you can blend it yourself...
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Old 09-12-2008, 12:25 AM
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Re: Royal Purple Oil

Royal Purple is great. I have 170k on my motor and made the switch a few months ago. I changed the oil a month after I started using it and I believe that it has detergents in it that clean out the gunk.
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Old 09-12-2008, 08:02 AM
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Re: Royal Purple Oil

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Originally Posted by 97' Lude View Post
^^I completely understand what your saying and mabey its just cause honda's hold up better to abuse. I used to drive a 2000 celica gts and knew a couple other guys with celicas and we all had worn rod bearings because of Royal purple. But anyways i used to have a thread saved from Newcelica.org with proof of this but they had trouble with there server and it got deleted.
I'm trying to find your info... looks like even if it is true, it is not graphite, but Molybdenum Disulfide, which acts similarily to graphite (and is in some other syn and conv oils.)... some people think the info is coming from amsoil. Here's a link with the debate...

http://www.dodgedakotas.com/boards/ot/5346.html

same info from amsoil... who did not get api certified due to premature cat failure (according to other sources).

http://www.sinwal.com/data/Amsoil%20...rple%20PDF.pdf

I have my doubts, can't find RP being banned at the cummins site...

Quote:
Originally Posted by v8h8 View Post
Royal Purple is great. I have 170k on my motor and made the switch a few months ago. I changed the oil a month after I started using it and I believe that it has detergents in it that clean out the gunk.
(almost) all oils do, but it does seem to do a good job.

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Old 02-18-2009, 08:53 PM
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Re: Royal Purple Oil

Royal Purple benefits... what do you guys think? I use it.... I recommend parts 1 and 3... esp 3.... part 4 is also good and seems to come before "part 2" and part 2 is the least useful, but shortest... TRUCK GUYS WANT THE SECOND HALF OF PART 4

4 part series...





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Old 02-23-2009, 08:56 PM
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Re: Royal Purple Oil

i have a 97 h22a with approx. 75000 miles. should i run synthetic and should i go for a blend before i go full?
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Old 02-23-2009, 09:18 PM
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Re: Royal Purple Oil

I'm no expert, but I think at that mileage you'd be fine going straight to synthetic; of course, royal purple is not fully synthetic...

I think modern mobile 1 (fully synthetic) is a great deal (cheaper and not discernibly "worse" than more expensive oils). Maybe RP would be "better" in a race engine; I like using RP but don't think it's a necessity... It's what my motorsports shop uses and I never switched after they did my h22a swap. I like revving the engine up high and change the oil/filter ever 3,000 miles.

Some guys on here are using eneos synthetic (click me) and say they have had great results. It has occurred to me to maybe give it a shot if I read more about it.
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Old 02-23-2009, 09:40 PM
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Re: Royal Purple Oil

thanks man, definitely helped and i will definitely look into the ENEOS! =]
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Old 03-06-2009, 11:35 AM
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Re: Royal Purple Oil

Royal purple is the best sythetic oil out there for racing, yes its true that when you first start using it you should change it like you would change conventional oil, that is, every 3000 miles. Thats because theres detergents in the oil that clean out the sludge, after two or three oil changes with royal purple, you can start to use it for longer periods without changing the oil because there wont be an incredible amount of sludge lingering in you oil pan. I use royal purple in my 93 prelude vtec, and in my 88 iroc z28 camero.
Ive never had any problems with leaks and my prelude has 135k miles. Id say go for it use royal purple, yes its more expensive, but after you use it 2 or 3 times, you wont have to change your oil for up to ten thousand miles!! Ive been a mechanic for 4 1/2 years and ive done numerous studies with different types of oils, i used to be loyal to castrol syntec, but since ive switched to royal purple, ive had no regrets.
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Old 03-06-2009, 12:09 PM
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Re: Royal Purple Oil

I started using Royal Purple at around 190,000 miles on my car and used it all the way up to my engine swap at 225,000 miles. It had previous oil leaks, but they were minor and never got any more serious even after the switch. The driver before me always used Mobil 1, but I tell you what, when the head came off the block, every part on the valvetrain looked immaculately clean.

I won't bother with you synthetic oil non-believers out there. Go on believing dino oil is the same or better, but you're wrong. I'll let this picture of my old engine do the talking. This engine has 225,000 miles on it. The camshafts looked brand new when we took a closer look.




As for graphite being used in RP or it not being full synthetic, both are false. This oil is so well designed in fact, to actually have micro-polishing properties in it that will polish off the microscopic burs off of the castings or forgings in your engine over time. This is roughly the same process as what a media blaster will do.

If you can strengthen at least the outside of the metal by making it microscopically smooth, you've essentially stopped 99% of how metal-to-metal parts failures start in the first place because the metals have no friction points to start wearing down the part.
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Old 03-07-2009, 10:46 AM
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Re: Royal Purple Oil

^great info guys, thanks!
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Old 03-08-2009, 03:52 AM
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Re: Royal Purple Oil

Mobil One ... offers a crazy warranty for all parts their oil touches... lovely for all those vtec-ers out there. Royal Purple, never tried, but if you wanted the best, Redline doesnt mess around...

http://www.redlineoil.com/
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THE IMITATION OF ANY OR ALL MANEUVERS EXECUTED BY A BA B20A 4WS PRELUDE IS HAZARDOUS TO YOUR CAR'S HEALTH. DRIVING A PRELUDE MAY CAUSE LOSS OF INTEREST IN OTHER CARS, WOMEN AND SPEED LIMITS. OTHER SYMPTOMS INCLUDE SLEEPLESS NIGHTS, COLD SWEATS AND OTHER SYMPTOMS RELATED TO ADDICTION. IF THE SYMPTOMS PERSIST,DRIVE!
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Old 03-08-2009, 08:03 PM
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Re: Royal Purple Oil

I used Mobile1 on my old 4th gen until I had about 22x,xxx miles on the engine and decided to swap it for the h22.

I wouldn't use RPif u have alotta miles on ur engine
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