for many years I ran Mobil 1 in my cars. now, my wife and I have switched to using Royal Purple. in all honesty we both can say that the cars run smoother, cooler, rev better, and we tempt to say they use a little less gas as well.
we're Royal Purple converts for life! this stuff is really great! anyone else use it or are you still using Mobil 1 or other synthetics? has anyone switched from synthetic BACK to dino oil and stayed that way?
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obin
Online Poll » Results
We use mostly Mobil 1 (46%, 96 votes)
We use another brand of synthetic oil (32%, 68 votes)
ive been using mobil 1 for a LONG time but im seriously thinking of switching to royal purple next time.
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I use M1 mostly, but will buy any synth thats on sale. So long as the viscosity range is right for ambient temps, I contend any difference is purely mental.
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I have Mobil 1 now but I'm going to switch to Castrol Syntec or Amsoil next because I saw some bad wear numbers for M1 in the GM 3.8.
Really though I can never really say I've seen a noticable difference over something like oil brands... maybe a slight differents going from dino to synthetic... but different brands? Meh.
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learned an uncle can get royal purple at wholesale, but i want to run an analysis on this stuff first. also, one of my reasonings was that M1 switched to Group IV oil.
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Really though I can never really say I've seen a noticable difference over something like oil brands... maybe a slight differents going from dino to synthetic... but different brands? Meh.
i didn't think i'd notice a difference either but both my wife and i noticed that our cars ran cooler and the engines revved a little smoother with Royal Purple (vs Mobil 1). it's only about two needle-widths on the temp gauge but it is definitely noticeable. because of this the radiator fans don't kick into 'high' as much even when taking the same drive in similar weather conditions.
obin
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I've usually been using Castrol Syntec or Shell Rotella T for the past several years.
The last purchase was an oil change kit for the NB that contained Lubro Moly Voll-Synthese 5W-40 from http://wwww.worldimpex.com/
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Mobil 1 has switched to pure group III base stock. Nothing "synthetic" about it any more, except for the marketing. I use Pentosin Pentosynth 5w-40, a group IV, in my Jetta.
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I'd question the accuracy of the guages before I'd attribute any differences to oil.
i switched back just for comparison sake and the temp did run higher and the engine ran rouger. when i switched "back" to Royal Purple in the 944 things were cooler again. i know it's not 100% scientific, but it makes me feel better that the car seems "happier" with Royal Purple. my aim is to keep it as happy as it can get!
obin
"We're society's crowbar. They hate us, they never want to acknowledge the dirty jobs they give us to do, but when the job is done they never throw us away - they just slip us back in the toolbox until they need us the next time. And there will always be a next time."-Jim Hooper. Beneath the Visiting Moon: Images of Combat in Southern Africa
i switched back just for comparison sake and the temp did run higher and the engine ran rouger. when i switched "back" to Royal Purple in the 944 things were cooler again. i know it's not 100% scientific, but it makes me feel better that the car seems "happier" with Royal Purple. my aim is to keep it as happy as it can get!
obin
It's placebo. There's no way in hell you can tell the difference in how an engine runs between two quality oils.
It's the Butt Dyno, not a placebo, and although the sensitivity and accuracy vary between users, it's still a decent way to feel the before/after effects of working on your car. Human senses are only magnifying what's going on under the hood; if it feels smoother, it probably is smoother. Butt Dyno's don't work for everyone or every car but it does work and I'll believe it. Plus obin has 10x more posts than anyone, so it must be gospel.
Anyway, how about some other synthetics representing?
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real live group IV synthetic. not hydrocracked. Easy to find, relative to royal purple.
Royal Purple is really easy for me to find. The NAPA about 1/2 a mile from my house carries it. I'm quite sure it's quality stuff, but they don't have a 5w-40 and I don't believe that it's VW502 approved. I stay away just so I don't give the dealership any more excuses to not cover repairs...
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My EVO is really hard on oil. For the longest time I have been running Mobile1. But now recently I have switched to Royal Purple. Overall when you compare 10w30 oils the viscosity seems thicker in the Royla Purple. I also do not burn off as much oil with Royal Purple. I wish I have taken a an oil analysis.
For my Miata, I was running semi-synth but have changed it to Mobil1 as it is much easier on oil.
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Royal Purple is really easy for me to find. The NAPA about 1/2 a mile from my house carries it. I'm quite sure it's quality stuff, but they don't have a 5w-40 and I don't believe that it's VW502 approved. I stay away just so I don't give the dealership any more excuses to not cover repairs...
It's very hard to find here, as there seems to be no distributor for manitoba. The castrol i'm using exceedsd bmw longlife, vw502, porsche, MB, and all the other major european standards. It costs the same as mobil 1, and is different than the us made syntec in that it is not hydrocracked-incidentally the US made syntec says 'not for sale outside of north america' on it, because in europe hydrocracked oils must be labeled as such.
Quote, originally posted by Parklife »
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I don't know quite how to say this, but there is something about your current hue which is really bothering me.
It's placebo. There's no way in hell you can tell the difference in how an engine runs between two quality oils.
Modified by jeremyc74 at 2:52 PM 12-31-2006
Normally in this type of scenario I would tend to agree COMPLETELY.
However, this is Obin we're talking about. He's no dummy, and this ain't his first rodeo. If Obin says it runs smoother and cooler I believe him. Especially over the guy who seems to doubt anything and everything just for the sake of starting an argument and pissing everyone off
Quote, originally posted by LSinLV »
DEPORT ALL ILLEGALS....it just so happens that the majority are Mexican....yet I could care less where they are from. if they cannot be prductive, and law abiding, then forget deportation....I'm up for all out wholesale killing.....it'll defintiely keep them from wanting to keep coming illegally.
Normally in this type of scenario I would tend to agree COMPLETELY.
However, this is Obin we're talking about. He's no dummy, and this ain't his first rodeo. If Obin says it runs smoother and cooler I believe him. Especially over the guy who seems to doubt anything and everything just for the sake of starting an argument and pissing everyone off
Once again you comment with no purpose other than to start trouble. Should I expect another PM after this post like your last ones?
The only reason I use Mobil 1 is that I'm lucky to find IT in the town I live in (only place that carries 5W20 Mobil 1 is walmart) - I can't even FIND 5W20 synthetic anywhere else. o_O
Any online stores that carry RP/M1/elf?
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I've been using redline for a while. I am quite satisfied with its peformance in my car. While I didn't notice that the car drove differently, I can definitely vouch for the oil temp increases with M1. I used M1 once and I'll never use it again. I would try Royal Purple, but I can't ever find 10-40.
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i know it's not 100% scientific, but it makes me feel better that the car seems "happier" with Royal Purple. my aim is to keep it as happy as it can get!
obin
I noticed this in my GTI, so all my car saw was Amsoil. Supra is happy with any of the above.
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Quote, originally posted by Slonieman »
I am actually salivating at the prospect of scrolling down into this thread
now, my wife and I have switched to using Royal Purple. in all honesty we both can say that the cars run smoother, cooler, rev better
After switching from Castrol to Royal Purple, I've noticed the same exact thing. It's a little bit more expensive than the others, but well worth it, IMO.
Once again you comment with no purpose other than to start trouble. Should I expect another PM after this post like your last ones?
No purpose? My purpose was to state that I believe Obin! Are you incapable of reading? Here you go, twisting things around as usual. Seek professional psychiatric help, PLEASE!!!!
Quote, originally posted by LSinLV »
DEPORT ALL ILLEGALS....it just so happens that the majority are Mexican....yet I could care less where they are from. if they cannot be prductive, and law abiding, then forget deportation....I'm up for all out wholesale killing.....it'll defintiely keep them from wanting to keep coming illegally.
I used the purple in my DSM, made the lifters tick less. I have been using Mobil 1 in my VR6 but I might just try royal purple in it next tima round as I still get really good cost on it, nominal difference with Mobil 1. VR6 has some ticking issues of its own.
I've been using redline for a while. I am quite satisfied with its peformance in my car. While I didn't notice that the car drove differently, I can definitely vouch for the oil temp increases with M1. I used M1 once and I'll never use it again. I would try Royal Purple, but I can't ever find 10-40.
just call one of them up and tell them to carry Royal Purple in 10W40. or worst case order it. the Pep Boys should at least be able to get it.
obin
"We're society's crowbar. They hate us, they never want to acknowledge the dirty jobs they give us to do, but when the job is done they never throw us away - they just slip us back in the toolbox until they need us the next time. And there will always be a next time."-Jim Hooper. Beneath the Visiting Moon: Images of Combat in Southern Africa
Mobil 1 has switched to pure group III base stock. Nothing "synthetic" about it any more, except for the marketing. I use Pentosin Pentosynth 5w-40, a group IV, in my Jetta.
i e mailed mobil about what base stock is used they said there using the same base stock as royal purple. i am tring to find the e mail
a bunch of mods that don't mean isht because im not big turbo
In the past I've always used Mobil 1 in the crankcase and Redline in the Diff and Trans. With Mobil 1's recent switch to Group III base I'll likely switch to Amsoil which I've used in the past and liked.
The biggest issue for me is Amsoil and even Red line is tougher to find then Mobil 1 and a lot of the other more conventional synthetics Mike
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Pentosynth in the 1.8t, Rotella in the TDi and in the Rabbit. Castrol GTx in the Rabbit when I can't get the Rotella. Actually, you could probably put corn oil in the Rabbit and it would be fine.
I use what I can find engine sequence data on. If the oil co refuses to pony up for a reliable repeatable test that actually has something to do with crankcase lubrication, I'll try it. If they don't, how am I supposed to make an intelligent decision about their product? Oh, that's right, I'm not. I'm supposed to believe their hype.
For transmission gear oil, I use Redline, because it had the best combination of FZG and static friction of all of the ones I tested. That was a useful government project waste of $2K in test gears.
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