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Royal Purple Oil vs. Mobil 1 Synthetic


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#1 90IntegraC1

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Posted 12 January 2006 - 06:11 PM

I change my oil every 3,000 miles. I've always put Mobil 1 Synthetic 5w-30 oil in my car and it ran great. I recently drained it and put in Royal Purple 5w-30 and it seems to have added some power to my 90 teg. I've heard rumors that Royal Purple was great oil, am I crazy or does Royal Purple Motor oil really add some horsies?

#2 SolLesHonda

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Posted 12 January 2006 - 06:25 PM

It is in your head. I doubt highly that it adds HP. Maybe, but highly doubted.

#3 90IntegraC1

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Posted 12 January 2006 - 06:34 PM

Yeah you're probably right, I thought I'd give it a shot. I promise i'm not an idiot, though you might think so. haha

#4 cpakc1

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Posted 13 January 2006 - 09:54 AM

I run it in my H22 del sol, it doesn't add horsepower, but I spoke with several Honda techs and it has better coating sustainability, and in a honda that is crucial, freaked me out the first time I pulled a Honda oil filter and it was dry as a bone.

#5 CleanGSR

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Posted 13 January 2006 - 09:57 AM

Where do you get Royal Purple? Does Autozone carry it (doubtful). I've heard many good things about them too. I might try that for my next oil change.

#6 90IntegraC1

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Posted 13 January 2006 - 11:18 PM

I dunno if you have a Pep boys around you buy they carry it. I've seen it at Autozone a few times. It's great motor oil. One thing though...when I drain Mobil 1 Synthetic it comes out just a little darker than when I originally fed it. The Royal Purple goes in a nice shade of purple and comes out jet black. wtf. i dunno, maybe its just getting all the grime out of my engine.

#7 TLontheDL

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Posted 14 January 2006 - 11:16 AM

Royal Purple is very expensive. The expensive car company uses Royal Purple whenever you bring it in to get an oil change i.e. I know Lexus uses it. The thing about Royal Purple is that if you use it, you must always use it. Before you use it, you have to drain all the oil out of your car.. I can't afford RP in every oil change.. Im not sure if it adds really adds any hp but it rides very smoothly.

I once found a case of Royal Purple at o'reilys on special for...60 something bucks?? This was about 4 years ago so I can't quite remember but its expensive.

#8 90IntegraC1

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Posted 14 January 2006 - 12:43 PM

Well I drain the oil every time I change it, about every 1,500 miles or so, just because my car is old and burns it off so fast. I didn't know you alwyas had to use it. Uh-oh I guess I'm stuck now. It does ride very smooth though, feels brand new and its 16 years old.

#9 SolLesHonda

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Posted 14 January 2006 - 08:38 PM

I doubt you HAVE to use it. That's like the myth of people saying if you go from regular oil to synthetic to regualta gain, you can spin a bearing/rod. B.S. Otherwise, they wouldn't make mixed oils like they do (1/2 synthetic)

+1 for Royal Purple

#10 EH6TunerDaniel

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Posted 16 January 2006 - 10:35 PM

Royal purple is expensive, but imho its worth it,maybe. i watched on like 2 guys garage or sumthin like that where they took this old chevelle and replaced the motor oil, tranny oil, and rear end gear oil with royal purple, and it gave them 15 hp at the wheels.

#11 VR17

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Posted 16 January 2006 - 10:43 PM

Royal purple is expensive, but imho its worth it,maybe. i watched on like 2 guys garage or sumthin like that where they took this old chevelle and replaced the motor oil, tranny oil, and rear end gear oil with royal purple, and it gave them 15 hp at the wheels.

when i was an manager at my old shop it ran about 3 dollars a bottle :ph34r:

#12 EH6TunerDaniel

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Posted 16 January 2006 - 10:49 PM

its like 6 bux here at oreilly's

#13 CleanGSR

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Posted 17 January 2006 - 09:51 AM

Cool, so O'Reilley's has it. I'll just go there. $6/bottle isn't gonna break the bank. That's only about $5 more on an oil change than mobile one. I'm assuming that Royal Purple is a synthetic oil?

#14 EH6TunerDaniel

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Posted 17 January 2006 - 10:07 AM

yea full synthetic, but they do something for it, i dont know what, like make it a just full race oil, better viscosity and lubrication or sumthin

#15 SolLesHonda

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Posted 17 January 2006 - 10:46 AM

+1, it is definitely good. It is about $6.00 here too.


Gotta love having a Del Sol, only needs about 4 Quarts.

#16 EH6TunerDaniel

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Posted 17 January 2006 - 12:52 PM

hey solLesHonda, what filter u usin? just a normal one for a del sol or wut? anything special

#17 SolLesHonda

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Posted 18 January 2006 - 11:50 AM

I use fram. The code is 3593A. Orange Box. Fits the sol, great filter.

#18 c0mmon

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Posted 31 January 2006 - 06:15 PM

with synthetic oil you can change your oil every 6 months even on a modified preformance engine.

#19 c0mmon

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Posted 31 January 2006 - 06:16 PM

I use fram. The code is 3593A. Orange Box. Fits the sol, great filter.



FRAM IS CHEAPER THEN PEP BOYS BRAND
dont believe the hype thats what ricers do

#20 cranny

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Posted 03 February 2006 - 05:20 PM

you should use a synthetic oil filter when runnin synthetic oil in my opinion. Synthetic oil only stays the same thickness or viscosity over long periods of time it still gets just as dirty as conventional. and as far as the myth of switchin to synthetic on older models that have run conventional thier whole life , my bud had an 88 crx Si it had 160,000 kms or 100,000 miles (notalot for honda), he switched his car over and spun a bearing. Simply drivin one day and came onto it , and it started knockin , never even got it home like couple miles POW threw a rod ruined engine block and all.Hole on the side of the block you can stick a few fingers in , awful it was , lol